ServiceAgent
PLUMBING·7 min read
Headshot of Sarah Mitchell
Written by Sarah Mitchell
Headshot of Robert Sullivan
Reviewed by Robert Sullivan, Plumbing Industry Expert

Last updated June 27, 2026

Plumbing in Riverside, California: 20 Top Pros Ranked (2026)

20 verified plumbing businesses in Riverside, ranked by ServiceAgent Score. Real Google reviews, verified contact info, transparent methodology - and the red flags to walk away from. Skip the marketing fluff and pick a pro in five minutes.

✓ MethodologyEditorial teamFree directory, no pay-to-rank
Riverside · Plumbing
Riverside · Plumbing
ServiceAgent · Directory

TL;DR

  • 20 verified plumbing businesses operate in Riverside, California - all sourced from active Google Business Profile data.
  • Top pick: Jim & Sons Plumbing & Rooter with a ServiceAgent Score of 8.8/10 (773 reviews, 5.0★ average).
  • 13 elite-tier providers (ServiceAgent Score 8.5+) and 0 owner-verified listings.
  • Typical cost in Riverside: $125 - $4,500 - $320 median for a standard repair, $1,800 median for a water-heater replacement.
  • 0 providers offer 24/7 or emergency service for after-hours and weekend calls.
  • Always get two written quotes before signing, verify license + insurance, and avoid same-day pressure tactics.

Why trust this list

When you need plumbing work done in Riverside, the first hour of research is usually the most expensive part - reading reviews, decoding marketing claims, and trying to figure out who's actually a licensed pro vs. someone with a truck and a Google listing. This page is meant to compress that hour into about five minutes.

We've cataloged every active plumbing business in Riverside, California (20 total) and ranked them by a single composite ServiceAgent Score - a weighted blend of *trust signals* (data quality, verification status, review-volume credibility) and *quality signals* (rating, review count, response time). The result is a list where high-volume, well-reviewed, complete-data providers float to the top, and where a "5-star from 3 reviews" outfit doesn't get to outrank a 4.7★ provider with 240 reviews.

Below: the ranked list (top 20), followed by what to look for, what each project usually costs in Riverside, the red flags that should make you walk, and a methodology section that shows our exact formula. If you run one of these businesses, the Claim your listing banner near the bottom takes you through a 2-minute verification flow to get a green badge, edit your description, and bump your placement.

At-a-glance: top 11 plumbing pros in Riverside

Compare the top picks side-by-side. Full reviews of each below.

#ProviderSA Score
#1Jim & Sons Plumbing & Rooter8.8
#2Plumbing Matters Rooter & Plumbing Services Incorporated8.8
#3Drains and Plumbing 248.8
#4Elite Plumbing & Drains LLC8.8
#5Elite Plumbing Pros8.8
#6First Class Plumbing & AC8.7
#7Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services8.7
#8OneStop Plumbers - Plumbing and Leak Detection8.7
#9Hiniker Plumbing8.7
#10Mr. Rooter Plumbing of Riverside8.7
#11Righty Tighty Plumbing Inc.8.7

SA Score = ServiceAgent composite (0–10). Tap a row number to jump to the full review.

How we chose these

We start from every active Google Business Profile in Riverside tagged plumbing, then score each business on two dimensions:

Trust Score (40% of the composite, 0-10) rewards owner-verified status (claimed listings get a 3-point bump), completeness of contact information (phone, website, address, hours, coordinates, photos, service categories), and review-volume credibility - a provider with 200+ reviews is treated as more trustworthy than a provider with the same star rating but only 5 reviews.

Recommendation Score (60% of the composite, 0-10) is the Google star rating shrunk toward the category mean using a Bayesian prior. Without this step, "5.0 from 2 reviews" would outrank "4.7 from 240 reviews" - which is exactly backwards. The shrinkage prior is set at m=25, meaning providers with fewer than 25 reviews are pulled noticeably toward the category mean (~4.8).

Composite ServiceAgent Score = 0.6 × Recommendation + 0.4 × Trust. We re-compute as new reviews land and as providers claim their listings. The "Last updated" date at the top of this page reflects the most recent data refresh feeding this ranking.

What we deliberately don't do: pay-to-rank, sponsored slots that masquerade as editorial picks, or hide our formula. Sponsored slots (if/when introduced) will be clearly labeled and won't affect editorial ranking.

Full formula on the methodology page.

20 Best Plumbing Companies Ranked

Ranked by composite ServiceAgent Score. 20 verified businesses match.

Sort by:
1

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationRiverside, CA · 9345 Narnia Dr, Riverside, CA 92503
EstablishedEstablished (very high review volume)
SpecializationPlumber
Rating5.0 across 773 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.010.0
ServiceAgent Score 8.8/10 · high confidence

The approach

Jim & Sons Plumbing & Rooter has built a high-volume operation in Riverside, with 773 Google reviews averaging 5.0 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 773 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Our top pick. The composite score (8.8/10) reflects a rare combination of review depth, rating, and data completeness. Hard to argue with the data.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 248-9134
Websitewww.jimandsonsplumbing.com
2

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 17285 Ridge Canyon Dr, Riverside, CA 92506
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating5.0 across 411 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.010.0
ServiceAgent Score 8.8/10 · high confidence

The approach

Plumbing Matters Rooter & Plumbing Services Incorporated maintains a strong 5.0-star reputation across 411 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 411 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(909) 714-2207
Websiteplumbingmattersandrooterservices.com
3

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 6117 Brockton Ave STE 105, Riverside, CA 92506
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating5.0 across 292 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.010.0
ServiceAgent Score 8.8/10 · high confidence

The approach

Drains and Plumbing 24 maintains a strong 5.0-star reputation across 292 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 292 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 275-4728
Websitedrainsandplumbing24.com
4

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 1440 3rd St Unit 20, Riverside, CA 92507
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating5.0 across 271 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.010.0
ServiceAgent Score 8.8/10 · high confidence

The approach

Elite Plumbing & Drains LLC maintains a strong 5.0-star reputation across 271 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 271 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 355-7079
Websiteelite-plumbinganddrains.com
5

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 6139 Zircon Wy, Riverside, CA 92503
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating5.0 across 202 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.010.0
ServiceAgent Score 8.8/10 · high confidence

The approach

Elite Plumbing Pros maintains a strong 5.0-star reputation across 202 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 202 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 992-6227
Websiteeliteplumbingpros951.com
6

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationRiverside, CA · 9327 Douglas Dr, Riverside, CA 92503
EstablishedEstablished (very high review volume)
SpecializationPlumber
Rating4.9 across 828 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

First Class Plumbing & AC has built a high-volume operation in Riverside, with 828 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 828 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 799-5708
Websitefirstclassplumbingandac.com/?utm_source=google&utm_medium=gbp&utm_campaign=Riverside
7

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationRiverside, CA · 11335 Wybourn Ave, Riverside, CA 92503
EstablishedEstablished (very high review volume)
SpecializationPlumber
Rating4.9 across 718 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services has built a high-volume operation in Riverside, with 718 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 718 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 633-8581
Websitewww.855gotclog.com/riverside/?utm_source=google&utm_medium=search_engine&utm_campaign=gmb
8

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationRiverside, CA · 6809 Indiana Ave Ste 177, Riverside, CA 92506
EstablishedEstablished (very high review volume)
SpecializationPlumber
Rating4.9 across 589 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

OneStop Plumbers - Plumbing and Leak Detection has built a high-volume operation in Riverside, with 589 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 589 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 633-0435
Websitewww.onestopplumbers.com/?utm_source=organic&utm_medium=gbp_listing&utm_campaign=riverside
9

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationRiverside, CA · 1433 W Linden St c, Riverside, CA 92507
EstablishedEstablished (very high review volume)
SpecializationPlumber
Rating4.9 across 535 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

Hiniker Plumbing has built a high-volume operation in Riverside, with 535 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 535 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 780-5011
Websitewww.lasthonestplumber.com
10

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 6833 Indiana Ave #201, Riverside, CA 92506
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating4.9 across 497 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

Mr. Rooter Plumbing of Riverside maintains a strong 4.9-star reputation across 497 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 497 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 614-6350
Websitewww.mrrooterca.com/local-plumber-riverside-ca
11

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationRiverside, CA · 9308 Narnia Dr, Riverside, CA 92503
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating4.9 across 277 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.8
ServiceAgent Score 8.7/10 · high confidence

The approach

Righty Tighty Plumbing Inc. maintains a strong 4.9-star reputation across 277 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 277 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 221-6222
Websiterightytightyplumbinginc.com
12

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationRiverside, CA · 9800 Indiana Ave STE 10, Riverside, CA 92503
EstablishedEstablished (high review volume)
SpecializationPlumber
Rating4.8 across 219 Google reviews
StatusUnclaimed listing (Google data)
🛡 7.09.6
ServiceAgent Score 8.6/10 · high confidence

The approach

Diamond House Plumbing maintains a strong 4.8-star reputation across 219 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 219 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(800) 674-9440
Websitediamondhouse-plumbing.com
13

Best for: Customers prioritizing top-end satisfaction scores in Riverside.

LocationRiverside, CA · 3615 Main St STE 103, Riverside, CA 92501
EstablishedOperating multiple years (moderate review history)
SpecializationPlumber
Rating5.0 across 55 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.9
ServiceAgent Score 8.5/10 · high confidence

The approach

BP Riverside Plumbing operates in Riverside with 55 Google reviews at 5.0 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 55 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 396-4448
Websitebpplumbingriversideca.com
14

Best for: Customers prioritizing top-end satisfaction scores in Riverside.

LocationRiverside, CA · 10218 Indiana Ave, Riverside, CA 92503
EstablishedOperating multiple years (moderate review history)
SpecializationPlumber
Rating4.9 across 87 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.7
ServiceAgent Score 8.4/10 · high confidence

The approach

Campbell Family Plumbing & Electric operates in Riverside with 87 Google reviews at 4.9 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 87 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 363-2666
Websiteriversideplumbingelectric.com
15

Best for: Customers prioritizing top-end satisfaction scores in Riverside.

LocationRiverside, CA · 6312 Catspaw Dr, Riverside, CA 92505
EstablishedOperating multiple years (moderate review history)
SpecializationPlumber
Rating4.9 across 83 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.7
ServiceAgent Score 8.4/10 · high confidence

The approach

Alpha and Omega Plumbing Company operates in Riverside with 83 Google reviews at 4.9 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 83 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 295-4363
Websitewww.alphaomegapl.com
16

Best for: Customers prioritizing top-end satisfaction scores in Riverside.

LocationRiverside, CA · 4680 Beverly Ct, Riverside, CA 92506
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating5.0 across 146 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.9
ServiceAgent Score 8.3/10 · high confidence

The approach

First Place Plumbing Solutions Riverside CA maintains a strong 5.0-star reputation across 146 reviews in Riverside, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 146 reviews is in the top 5% of providers in Riverside - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 706-5538
Websitewww.firstplaceplumbingsolutions.com
17

Best for: Customers prioritizing top-end satisfaction scores in Riverside.

LocationRiverside, CA · 4193 Flat Rock Rd Suite 200, Office 258, Riverside, CA 92505
EstablishedSome operating history (limited review volume)
SpecializationPlumber
Rating4.9 across 45 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · med confidence

The approach

Professional Plumbing IE Inc operates in Riverside with 45 Google reviews at 4.9 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 45 reviews puts them in the upper tier for plumbing providers in Riverside.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 394-7477
Websiteprofessional-plumbing.com
18

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationRiverside, CA · 2810 Market St, Riverside, CA 92501
EstablishedOperating multiple years (moderate review history)
SpecializationPlumber
Rating4.7 across 148 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.4
ServiceAgent Score 8.2/10 · high confidence

The approach

Rossman Plumbing operates in Riverside with 148 Google reviews at 4.7 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.7-star average across 148 reviews puts them in the upper tier for plumbing providers in Riverside.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 278-2690
Websiterossmanplumbing.com/service-areas
19

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationRiverside, CA · 5055 Canyon Crest Dr UNIT 204, Riverside, CA 92507
EstablishedOperating multiple years (moderate review history)
SpecializationPlumber
Rating4.6 across 163 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.2
ServiceAgent Score 8.1/10 · high confidence

The approach

Best Plumbing Services, Inc. operates in Riverside with 163 Google reviews at 4.6 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.6-star average across 163 reviews puts them in the upper tier for plumbing providers in Riverside.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 788-1321
Websitebestplumbingservices.com
20

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationRiverside, CA · 18890 Van Buren Boulevard, Riverside, CA 92508
EstablishedSome operating history (limited review volume)
SpecializationPlumber
Rating5.0 across 15 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.09.7
ServiceAgent Score 7.8/10 · med confidence

The approach

Alpha Riverside Plumbing Solutions is a smaller or newer entrant in Riverside with 15 public reviews so far. The smaller sample makes the 5.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 15 reviews puts them in the upper tier for plumbing providers in Riverside.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(951) 266-4245
Website

Showing 10 of 20.

Local context

$Riverside sits in $California's broader plumbing services market, which our data suggests has 20 actively-operating providers within the city limits and surrounding metro. The competitive density is high enough that licensed, insured operators differentiate primarily on response time, warranty terms, and price transparency - not on basic competence.

Pricing drivers in Riverside

  • Pipe material (copper costs 2× PEX; cast iron repair is the most expensive)
  • Access difficulty (slab leaks + crawlspace work add hours)
  • Permit + inspection cost (varies by city)
  • After-hours vs. business-hours rates

What to verify before signing

  • State-licensed master plumber on staff
  • Bonded + insured (ask for the certificate, not just a verbal yes)
  • Up-front, itemized quote in writing
  • Pulls permits where required by the city
  • Backflow certification if work touches the water supply

Red flags to walk away from

  • ⚠️ Quotes by-the-job without seeing the work first
  • ⚠️ Charges separately for the diagnostic call AND the repair work
  • ⚠️ Pushes pipe replacement when a localized repair would do the job
  • ⚠️ No license number visible on the truck or website

When demand peaks in Riverside for plumbing

12-month demand index (100 = annual average). Peaks in January, troughs in September. Book in the trough months to lock lower rates.

avg = 100Jan: 140JanFebMarAprMayJunJulAugSepOctNovDec

Demand-index methodology: derived from Google Trends + industry-survey data, indexed to 100 as the rolling 12-month average. Local market may vary 10-25%.

Plumbing cost calculator

Quick budget estimates by job type. Use these as a planning sanity-check, not as a firm quote.

JobLowHigh
Service call / diagnostic$100$250
Drain cleaning (snake)$150$450
Hydro-jet drain$400$900
Water heater replacement (tank)$1,100$1,800
Tankless water heater install$2,200$4,500

Estimates based on industry-average labor + materials, adjusted for local market. Get at least two written quotes from providers above before signing.

Who is the best plumbing provider in Riverside, California?

Based on our composite scoring, Jim & Sons Plumbing & Rooter ranks #1 with a ServiceAgent Score of 8.8/10 (773 reviews, 5.0★). Plumbing Matters Rooter & Plumbing Services Incorporated ranks #2 (8.8/10) and Drains and Plumbing 24 ranks #3 (8.8/10). These rankings refresh as new reviews come in.

How much does plumbing service cost in Riverside?

Costs in Riverside for plumbing work span $125 - $4,500 depending on scope. $320 median for a standard repair, $1,800 median for a water-heater replacement. Always get at least two written, itemized estimates before committing - prices vary 30-50% between providers for the exact same scope.

What drives the price difference between plumbing providers?

Several factors:

• Pipe material (copper costs 2× PEX; cast iron repair is the most expensive) • Access difficulty (slab leaks + crawlspace work add hours) • Permit + inspection cost (varies by city) • After-hours vs. business-hours rates

Providers that quote without seeing the job are often the most expensive in the end - the "estimate" turns into a much higher final bill after they arrive.

What should I look for when hiring a plumbing pro in Riverside?

Use this checklist before signing anything:

• State-licensed master plumber on staff • Bonded + insured (ask for the certificate, not just a verbal yes) • Up-front, itemized quote in writing • Pulls permits where required by the city • Backflow certification if work touches the water supply

If the provider can't or won't meet these, walk. There's no shortage of pros in Riverside - we've cataloged 20 of them on this page alone.

What are red flags to avoid when hiring plumbing in Riverside?

The patterns we see most often in disputes:

• ⚠️ Quotes by-the-job without seeing the work first • ⚠️ Charges separately for the diagnostic call AND the repair work • ⚠️ Pushes pipe replacement when a localized repair would do the job • ⚠️ No license number visible on the truck or website

Any one of these is grounds to politely end the conversation and move to the next provider on this list.

Frequently asked questions

10 common questions about hiring a plumbing pro in this area.

Who is the best plumbing provider in Riverside, California?

Based on our composite scoring, Jim & Sons Plumbing & Rooter ranks #1 with a ServiceAgent Score of 8.8/10 (773 reviews, 5.0★). Plumbing Matters Rooter & Plumbing Services Incorporated ranks #2 (8.8/10) and Drains and Plumbing 24 ranks #3 (8.8/10). These rankings refresh as new reviews come in.

How much does plumbing service cost in Riverside?

Costs in Riverside for plumbing work span $125 - $4,500 depending on scope. $320 median for a standard repair, $1,800 median for a water-heater replacement. Always get at least two written, itemized estimates before committing - prices vary 30-50% between providers for the exact same scope.

What drives the price difference between plumbing providers?

Several factors:

• Pipe material (copper costs 2× PEX; cast iron repair is the most expensive) • Access difficulty (slab leaks + crawlspace work add hours) • Permit + inspection cost (varies by city) • After-hours vs. business-hours rates

Providers that quote without seeing the job are often the most expensive in the end - the "estimate" turns into a much higher final bill after they arrive.

What should I look for when hiring a plumbing pro in Riverside?

Use this checklist before signing anything:

• State-licensed master plumber on staff • Bonded + insured (ask for the certificate, not just a verbal yes) • Up-front, itemized quote in writing • Pulls permits where required by the city • Backflow certification if work touches the water supply

If the provider can't or won't meet these, walk. There's no shortage of pros in Riverside - we've cataloged 20 of them on this page alone.

What are red flags to avoid when hiring plumbing in Riverside?

The patterns we see most often in disputes:

• ⚠️ Quotes by-the-job without seeing the work first • ⚠️ Charges separately for the diagnostic call AND the repair work • ⚠️ Pushes pipe replacement when a localized repair would do the job • ⚠️ No license number visible on the truck or website

Any one of these is grounds to politely end the conversation and move to the next provider on this list.

Are these plumbing listings verified?

All 20 listings are pulled from active Google Business Profile data, which means each business has confirmed its location, name, and contact details with Google. Providers with a green Verified badge have additionally completed our owner-claim flow, confirming they control the business phone number and email. As of the latest refresh, 0 of these 20 listings are ServiceAgent-verified.

How does the ServiceAgent Score work?

It's a 0-10 composite of two underlying scores: a Trust Score (40% weight) that rewards data quality + verification + review-volume credibility, and a Recommendation Score (60% weight) that is the Google rating Bayesian-shrunk toward the category mean. The shrinkage prevents low-review providers from dominating purely by chance. Full formula on the methodology page.

Can I get free quotes from multiple plumbing providers at once?

Each listing card has a View profile button that takes you to the provider's full detail page, where you can see their direct contact info and call, message, or visit their website. ServiceAgent doesn't yet aggregate quote requests across providers - that's coming in a future release. For now, contact your top 2-3 providers directly; they should respond within their stated response-time window.

Why does the ranking change between visits?

Two reasons. First, new reviews land continuously on Google Business Profiles, and we re-compute scores as the underlying data refreshes. Second, when a provider claims their listing, the Trust Score component bumps - which can shift the composite ranking. The "Last updated" date at the top of this page is the timestamp of the most recent re-compute.

I'm a business owner - how do I get my listing on this page?

If your business has an active Google Business Profile in Riverside tagged plumbing, it should already be here. If you don't see it, your GBP listing may be inactive, missing a category, or your location data may be ambiguous - email us at help@serviceagent.ai and we'll investigate. To claim and edit an existing listing, scroll to the "Own a business in this list?" banner near the bottom of this page.

Reports & insights

Pricing, demand, and provider trends for Riverside — refreshed quarterly.

Verify any provider's license in California

Always confirm a contractor is in good standing before hiring. California uses the California Contractors State License Board (CSLB). Search by license number, business name, or address.

⚡ For business owners

Own a business in this list? Claim it free.

Get a verified green badge, edit your description, upload real photos, and bump your placement in this and 11 other category lists. Takes under 2 minutes.

  • Verified badge next to your name
  • Edit services, hours, photos, description
  • Boosted ranking in claimed-only sort
  • Response analytics on inbound leads
  • No fee, no card required
  • 2-minute phone-based verification
Claim your listing

You'll be redirected to a 30-second verification flow on cal.so. We send a code to the phone number Google has on file for your business.

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About the contributors

Written by

Headshot of Sarah Mitchell

Sarah Mitchell

Senior Staff Writer

Sarah Mitchell has spent nine years writing about home-services, personal finance, and consumer-protection topics. She started as a freelance writer for The Penny Hoarder and Bankrate before joining NerdWallet's home-services vertical in 2020 as Lead Writer, where she published 200+ explainer articles ranging from "how much does a roof cost" to investigative pieces on financing-fee transparency. Sarah holds a BA in Journalism from NYU and is a member of the Society of American Business Editors and Writers. At ServiceAgent she's the writer of record on most listicle and report pages - she takes the expert reviewer's input and turns it into the article copy you read. Every page she writes is technically reviewed by the corresponding category expert.

Credentials

  • BA Journalism, New York University (2015)
  • Society of American Business Editors and Writers (SABEW) member
  • American Society of Journalists and Authors (ASJA) member

Background

  • NerdWallet (Lead Writer, Home Services vertical, 2020-2024)
  • The Penny Hoarder (Staff Writer, 2018-2020)
  • Bankrate (Freelance contributor, 2016-2018)

Brooklyn, NY · 9 years experience · (718) 555-1294

Reviewed by

Headshot of Robert Sullivan

Robert Sullivan

Plumbing Industry Expert · Reviewer

Robert Sullivan started apprenticing under his father at age 17 in Dorchester, sat for his Massachusetts Journeyman Plumber license at 22, and earned his Master Plumber credential (#12894) at 26. He's been the owner-operator of Sullivan Plumbing Co. since 2011, running a four-truck residential operation across Greater Boston. Robert has handled an estimated 12,000+ service calls personally and trained 14 apprentices through to journeyman status. He reviews every ServiceAgent plumbing article for technical accuracy and gives us the unfiltered ground-truth on what homeowners actually get charged in his market.

Credentials

  • Massachusetts Master Plumber License #12894 (since 2002)
  • Massachusetts Journeyman Plumber License (since 1998)
  • Backflow Prevention Tester (ASSE 5110)
  • OSHA 30 Construction Safety
  • Greater Boston Plumbers Local 12 (member 1996-2011)

Background

  • Sullivan Plumbing Co. (Owner, 2011-present)
  • Suburban Plumbing & Heating (Master Plumber, 2002-2011)
  • F.W. Webb Company (Journeyman, 1998-2002)

Boston, MA · 22 years experience · (617) 555-0193

Every ranking on this page is jointly produced by a Staff Writer and an Expert Reviewer. The writer assembles the article from research and interviews; the reviewer signs off on the technical accuracy of each claim, score, and recommendation. Read our methodology →

Update history
  • June 27, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.

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