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 Stockton, California: 14 Top Pros Ranked (2026)

14 verified plumbing businesses in Stockton, 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
Stockton · Plumbing
Stockton · Plumbing
ServiceAgent · Directory

TL;DR

  • 14 verified plumbing businesses operate in Stockton, California - all sourced from active Google Business Profile data.
  • Top pick: JC SEWER & DRAIN PLUMBING LIC#845004 with a ServiceAgent Score of 8.5/10 (451 reviews, 4.9★ average).
  • 3 elite-tier providers (ServiceAgent Score 8.5+) and 0 owner-verified listings.
  • Typical cost in Stockton: $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 Stockton, 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 Stockton, California (14 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 14), followed by what to look for, what each project usually costs in Stockton, 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 Stockton

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

#ProviderSA Score
#1JC SEWER & DRAIN PLUMBING LIC#8450048.5
#2Mr. Ed's Plumbing & Rooter Service8.5
#3Valice Plumbing8.5
#4Discount Plumbing8.4
#5Tony's Plumbing - Stockton8.3
#6Superdrain Inc.8.3
#7Roto-Rooter Plumbing & Water Cleanup7.9
#8PACE Supply7.8
#9Barney Jordan Plumbing7.7
#10JS & Sons Plumbing7.4
#11Conde’s Plumbing Co7.2

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 Stockton 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.

14 Best Plumbing Companies Ranked

Ranked by composite ServiceAgent Score. 14 verified businesses match.

Sort by:
1

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

LocationStockton, CA · 7811 Amber Way, Stockton, CA 95207
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9 across 451 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.8
ServiceAgent Score 8.5/10 · high confidence

The approach

JC SEWER & DRAIN PLUMBING LIC#845004 maintains a strong 4.9-star reputation across 451 reviews in Stockton, 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 451 reviews is in the top 5% of providers in Stockton - 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 (8.5/10) 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(209) 403-9023
Websitejcseweranddrain.com
2

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

LocationStockton, CA · 3504 Grange Ave, Stockton, CA 95204
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9 across 359 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.8
ServiceAgent Score 8.5/10 · high confidence

The approach

Mr. Ed's Plumbing & Rooter Service maintains a strong 4.9-star reputation across 359 reviews in Stockton, 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 359 reviews is in the top 5% of providers in Stockton - 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(209) 209-9829
Websitewww.mredsplumbing.com
3

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

LocationStockton, CA · 2317 Rose Marie Ln Apt 633, Stockton, CA 95207
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9 across 261 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.8
ServiceAgent Score 8.5/10 · high confidence

The approach

Valice Plumbing maintains a strong 4.9-star reputation across 261 reviews in Stockton, 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 261 reviews is in the top 5% of providers in Stockton - 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(209) 817-9836
Websitewww.valiceplumbingca.com
4

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

LocationStockton, CA · 202 Val Dervin Pkwy, Stockton, CA 95206
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.8 across 1,005 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.59.6
ServiceAgent Score 8.4/10 · high confidence

The approach

Discount Plumbing has built a high-volume operation in Stockton, with 1,005 Google reviews averaging 4.8 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

4.8-star average across 1,005 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(209) 227-3113
Websitediscountplumbing24hr.com
5

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

LocationStockton, CA · 343 E Main St Suite 420, Stockton, CA 95202
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.9 across 132 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.8
ServiceAgent Score 8.3/10 · high confidence

The approach

Tony's Plumbing - Stockton maintains a strong 4.9-star reputation across 132 reviews in Stockton, 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 132 reviews is in the top 5% of providers in Stockton - 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(209) 337-3788
Websitewww.tonysplumbing.com/stockton
6

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

LocationStockton, CA · 1221 W Fremont St, Stockton, CA 95203
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.9 across 114 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.8
ServiceAgent Score 8.3/10 · high confidence

The approach

Superdrain Inc. maintains a strong 4.9-star reputation across 114 reviews in Stockton, 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 114 reviews is in the top 5% of providers in Stockton - 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(209) 473-2121
Websitewww.superdrain.net
7

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

LocationStockton, CA · 4228 Newton Rd, Stockton, CA 95205
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.5 across 113 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.1
ServiceAgent Score 7.9/10 · high confidence

The approach

Roto-Rooter Plumbing & Water Cleanup operates in Stockton with 113 Google reviews at 4.5 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

4.5-star average across 113 reviews puts them in the upper tier for plumbing providers in Stockton.

⚠ 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(209) 208-9216
Websiterotorooterca.com/plumber/stockton-ca/?utm_source=google&utm_medium=organic&utm_campaign=gbp_stockton
8

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

LocationStockton, CA · 4015 Newton Rd, Stockton, CA 95215
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating4.6 across 37 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.3
ServiceAgent Score 7.8/10 · med confidence

The approach

PACE Supply operates in Stockton with 37 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 37 reviews puts them in the upper tier for plumbing providers in Stockton.

⚠ 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(209) 463-7593
Websitewww.pacesupply.com
9

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

LocationStockton, CA · 808 N Union St, Stockton, CA 95205
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating4.4 across 17 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.2
ServiceAgent Score 7.7/10 · med confidence

The approach

Barney Jordan Plumbing is a smaller or newer entrant in Stockton with 17 public reviews so far. The smaller sample makes the 4.4-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • 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

Public review history is limited so far - the headline rating is 4.4 from 17 reviews. Treat the score as provisional.

⚠ 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(209) 944-9155
Websitebarneyjordanplumbing.com
10

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

LocationStockton, CA · 2455 Stewart St, Stockton, CA 95205
EstablishedLimited public history - newer or low-engagement listing
SpecializationPlumbing
Rating5.0 across 6 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.6
ServiceAgent Score 7.4/10 · low confidence

The approach

JS & Sons Plumbing is a smaller or newer entrant in Stockton with 6 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 6 reviews puts them in the upper tier for plumbing providers in Stockton.

⚠ 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(209) 594-9594
Website
11

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

LocationStockton, CA · 346 Santa Clara St, Stockton, CA 95207
EstablishedLimited public history - newer or low-engagement listing
SpecializationPlumbing
Rating4.3 across 6 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.4
ServiceAgent Score 7.2/10 · low confidence

The approach

Conde’s Plumbing Co is a smaller or newer entrant in Stockton with 6 public reviews so far. The smaller sample makes the 4.3-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

Public review history is limited so far - the headline rating is 4.3 from 6 reviews. Treat the score as provisional.

⚠ 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(209) 765-6059
Website
12

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

LocationStockton, CA · 231 E Gibson St, Stockton, CA 95204
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating4.3 across 13 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.2
ServiceAgent Score 7.1/10 · med confidence

The approach

Mel's Plumbing is a smaller or newer entrant in Stockton with 13 public reviews so far. The smaller sample makes the 4.3-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

Public review history is limited so far - the headline rating is 4.3 from 13 reviews. Treat the score as provisional.

⚠ 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(209) 943-7176
Website
13

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

LocationStockton, CA · 633 Edan Ave, Stockton, CA 95207
EstablishedLimited public history - newer or low-engagement listing
SpecializationPlumbing
Rating5.0 across 2 Google reviews
StatusUnclaimed listing (Google data)
🛡 3.09.6
ServiceAgent Score 7.0/10 · low confidence

The approach

A Castillo and Sons Plumbing Co is a smaller or newer entrant in Stockton with 2 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 2 reviews puts them in the upper tier for plumbing providers in Stockton.

⚠ 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(209) 495-0695
Website
14

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

LocationStockton, CA · 2321 W Washington St suite e, Stockton, CA 95203
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating1.6 across 30 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.06.1
ServiceAgent Score 5.3/10 · med confidence

The approach

County Plumbing operates in Stockton with 30 Google reviews at 1.6 stars - a steady mid-tier signal in our composite scoring.

  • 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

Public review history is limited so far - the headline rating is 1.6 from 30 reviews. Treat the score as provisional.

⚠ 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(888) 479-1270
Website

Showing 10 of 14.

Local context

$Stockton sits in $California's broader plumbing services market, which our data suggests has 14 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 Stockton

  • 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 Stockton 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 Stockton, California?

Based on our composite scoring, JC SEWER & DRAIN PLUMBING LIC#845004 ranks #1 with a ServiceAgent Score of 8.5/10 (451 reviews, 4.9★). Mr. Ed's Plumbing & Rooter Service ranks #2 (8.5/10) and Valice Plumbing ranks #3 (8.5/10). These rankings refresh as new reviews come in.

How much does plumbing service cost in Stockton?

Costs in Stockton 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 Stockton?

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 Stockton - we've cataloged 14 of them on this page alone.

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

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 Stockton, California?

Based on our composite scoring, JC SEWER & DRAIN PLUMBING LIC#845004 ranks #1 with a ServiceAgent Score of 8.5/10 (451 reviews, 4.9★). Mr. Ed's Plumbing & Rooter Service ranks #2 (8.5/10) and Valice Plumbing ranks #3 (8.5/10). These rankings refresh as new reviews come in.

How much does plumbing service cost in Stockton?

Costs in Stockton 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 Stockton?

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 Stockton - we've cataloged 14 of them on this page alone.

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

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 14 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 14 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 Stockton 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 Stockton — 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.

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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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