Published May 12, 2026 · Last updated October 21, 2026
Plumbing in Oakland, California: 17 Top Pros Ranked (2027)
Quick answer
The top-ranked Plumbing provider in Oakland is Mr. Rooter Plumbing of The Oakland-Berkeley Area (Oakland), with a 4.9★ rating across 1,293 Google reviews and a ServiceAgent Score of 8.5/10. Also strongly rated: Roto-Rooter Plumbing & Water Cleanup and Big Smile Plumbing. See the full ranked list and how each provider scores below.
TL;DR
Ranked: 1. Mr. Rooter Plumbing of The Oakland-Berkeley Area · 2. Roto-Rooter Plumbing & Water Cleanup · 3. Big Smile Plumbing · 4. Good Fit Plumbing · 5. Pipe Spy, Inc.
- 17 verified plumbing businesses operate in Oakland, California - all sourced from active Google Business Profile data.
- Top pick: Mr. Rooter Plumbing of The Oakland-Berkeley Area with a ServiceAgent Score of 8.5/10 (1,293 reviews, 4.9★ average).
- 1 elite-tier providers (ServiceAgent Score 8.5+) and 0 owner-verified listings.
- Typical cost in Oakland: $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.
Computed from the providers ranked on this page. Figures update with each data refresh.
At-a-glance: top 11 plumbing pros in Oakland
Compare the top picks side-by-side. Full reviews of each below.
SA Score = ServiceAgent composite (0–10). Tap a row number to jump to the full review.
How the top plumbing pros compare
The same ServiceAgent Score components that drive the ranking, scored side by side — so you can see at a glance where each provider is strongest.
The criteria we scored against
- 1. Trust (data & verification). Owner-verification, completeness of contact info, and review-volume credibility.
- 2. Recommendation (rating). The Google star rating, Bayesian-shrunk toward the category mean so a few 5-star reviews can't dominate.
- 3. Review depth. How many public reviews back the rating — more reviews, more reliable the signal.
- 4. Score confidence. How much data stands behind the composite score for this provider.
| Provider | Trust (data & verification) | Recommendation (rating) | Review depth | Score confidence |
|---|---|---|---|---|
| Mr. Rooter Plumbing of The Oakland-Berkeley Area | Strong | Strong | Strong | Strong |
| Roto-Rooter Plumbing & Water Cleanup | Strong | Strong | Strong | Strong |
| Big Smile Plumbing | Moderate | Strong | Moderate | Strong |
| Good Fit Plumbing | Moderate | Strong | Moderate | Strong |
| Pipe Spy, Inc. | Moderate | Strong | Moderate | Strong |
| Oakland Rooter Plumbing | Moderate | Strong | Moderate | Strong |
| We Can Do It Plumbing | Moderate | Strong | Moderate | Strong |
| Oakland Plumbing Experts | Moderate | Strong | Limited | Limited |
How we chose these
We start from every active Google Business Profile in Oakland 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.
17 Best Plumbing Companies Ranked
Ranked by composite ServiceAgent Score. 17 verified businesses match.
Best for: Homeowners who want one of the most-reviewed plumbing names in Oakland, with a long public track record.
| Location | Oakland, CA · 50 Hegenberger Loop, Oakland, CA 94621 |
|---|---|
| Established | Established (very high review volume) |
| Specialization | Plumbing |
| Rating | 4.9★ across 1,293 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Mr. Rooter Plumbing of The Oakland-Berkeley Area has built a high-volume operation in Oakland, with 1,293 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 1,293 reviews is in the top 5% of providers in Oakland - 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 in Oakland. The 8.5/10 composite comes from a rare combination of review depth (1,293 reviews), a 4.9-star rating, and complete profile data.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 957-9648 |
| Website | www.mrrooter.com/oakland/?cid=LSTL_MRR000199&utm_source=gmb&utm_campaign=local&utm_medium=organic |
Best for: Homeowners who want one of the most-reviewed plumbing names in Oakland, with a long public track record.
| Location | Oakland, CA · 300 Frank H. Ogawa Plaza STE 249, Oakland, CA 94612 |
|---|---|
| Established | Established (very high review volume) |
| Specialization | Plumbing |
| Rating | 4.8★ across 2,589 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Roto-Rooter Plumbing & Water Cleanup has built a high-volume operation in Oakland, with 2,589 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 2,589 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
A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 564-1214 |
| Website | www.rotorooter.com/oakland/?utm_source=Google&utm_medium=organic&utm_campaign=gmb&utm_content=website |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 3115 Beaumont Ave, Oakland, CA 94602 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 5.0★ across 96 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Big Smile Plumbing operates in Oakland with 96 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 96 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
A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 999-8855 |
| Website | www.bigsmileplumbing.com |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 37 78040, -122.1953, Oakland, CA 94619 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 5.0★ across 69 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Good Fit Plumbing operates in Oakland with 69 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 69 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 423-1832 |
| Website | goodfitplumbing.com |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 1108 26th St, Oakland, CA 94607 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 4.9★ across 186 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Pipe Spy, Inc. maintains a strong 4.9-star reputation across 186 reviews in Oakland, 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 186 reviews is in the top 5% of providers in Oakland - 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 465-3000 |
| Website | www.pipespy.com/?utm_source=GMB&utm_medium=organic&utm_campaign=oakland |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 1614 Fruitvale Ave, Oakland, CA 94601 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 4.9★ across 97 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Oakland Rooter Plumbing operates in Oakland with 97 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 97 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 479-1129 |
| Website | oaklandrooter.com |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 2161 48th Ave, Oakland, CA 94601 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 5.0★ across 90 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
We Can Do It Plumbing operates in Oakland with 90 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 90 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 556-8630 |
| Website | www.wecandoitplumbing.com |
Best for: Customers prioritizing top-end satisfaction scores in Oakland.
| Location | Oakland, CA · 957 Jackson St, Oakland, CA 94607 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | Plumbing |
| Rating | 4.9★ across 46 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Oakland Plumbing Experts operates in Oakland with 46 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 46 reviews puts them in the upper tier for plumbing providers in Oakland.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 323-9298 |
| Website | oakiesplumbingexpert.com |
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Oakland, CA · 2851 E 9th St, Oakland, CA 94601 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | Plumbing |
| Rating | 4.8★ across 11 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Golden Coast Plumbing and Rooter Inc is a smaller or newer entrant in Oakland with 11 public reviews so far. The smaller sample makes the 4.8-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
4.8-star average across 11 reviews puts them in the upper tier for plumbing providers in Oakland.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 467-9525 |
| Website | goldencoastplumbing.com |
Best for: Mid-tier plumbing jobs where price and quality both matter.
| Location | Oakland, CA · 887 71st Ave, Oakland, CA 94621 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | Plumbing |
| Rating | 4.6★ across 52 Google reviews |
| Status | Unclaimed listing (Google data) |
| Source | Public Google Business Profile · data as of May 12, 2026 |
The approach
Ehret Co Plumbing & Heating operates in Oakland with 52 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 52 reviews puts them in the upper tier for plumbing providers in Oakland.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 528-4292 |
| Website | ehretco.com |
Showing 10 of 17.
How to choose a plumbing pro
The ranking does the research; these five checks help you turn the shortlist into the right hire.
- 1
Start with the top of the ranking, not an ad
The providers ranked highest in Oakland earned it on review depth, rating, and data completeness — not on ad spend. Shortlist two or three from the top before you start calling.
- 2
Get two or three quotes in writing
Pricing for plumbing work varies by scope and local market. Written quotes from a few shortlisted pros let you compare apples to apples and spot an outlier before you commit.
- 3
Read the most recent reviews, not just the average
A strong average can hide a recent slide in quality. Sort reviews by newest and look for how the business handles problems — a thoughtful reply to a bad review often tells you more than the star count.
- 4
Confirm licensing, insurance, and scope before work starts
Ask for the license number and proof of insurance, and get the full scope of work plus any parts/labor warranty in writing before any plumbing job begins. Verify the license on your state board if the work is significant.
- 5
Match the provider to your actual job
A high-volume operator is great for a routine job; a smaller specialist may be a better fit for an unusual one. Use the scorecard above to pick for your situation, not just the overall rank.
Trends this quarter
Pricing, demand, and provider trends — pulled from our Q4 2026 plumbing report.
- 14 plumbing providers tracked in Oakland this quarter, with an average ServiceAgent Score of 8.1/10.
- 1 elite-tier providers (Score ≥ 8.5/10), and an average Google rating of 4.86★.
- Total review volume changed by -8% quarter-over-quarter — a leading indicator of local plumbing demand.
- Median quote price moved +3.1% vs. the previous quarter for typical plumbing jobs.
- 0% of providers are owner-verified (-1.7% QoQ).
Source: ServiceAgent Plumbing trends in Oakland, Q4 2026. Quarterly methodology and full commentary available in the full report.
Local context
$Oakland sits in $California's broader plumbing services market, which our data suggests has 17 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 Oakland
- 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 Oakland for plumbing
12-month demand index (100 = annual average). Peaks in January, troughs in September. Book in the trough months to lock lower rates.
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%.
Pricing: what plumbing costs
Quick budget estimates by job type. Use these as a planning sanity-check, not as a firm quote.
| Job | Low | High |
|---|---|---|
| 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.
What to know about hiring Plumbing
Plumbing jobs split into emergencies (leaks, clogs, no hot water) and planned work (re-pipes, fixture installs, water heaters).
What drives the price
Whether it's diagnostic vs. repair vs. replacement, access to the pipes, and emergency timing.
What to check
State plumbing license, insurance, and whether they give a flat quote after seeing the job rather than an hourly open-ended rate.
When to call
For a slow leak, sooner is cheaper — water damage escalates fast. Keep an emergency number on hand before you need it.
Why trust this list
When you need plumbing work done in Oakland, 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 Oakland, California (17 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 17), followed by what to look for, what each project usually costs in Oakland, 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.
Frequently asked questions
10 common questions about hiring a plumbing pro in this area.
Who is the best plumbing provider in Oakland, California?
Based on our composite scoring, Mr. Rooter Plumbing of The Oakland-Berkeley Area ranks #1 with a ServiceAgent Score of 8.5/10 (1,293 reviews, 4.9★). Roto-Rooter Plumbing & Water Cleanup ranks #2 (8.4/10) and Big Smile Plumbing ranks #3 (8.3/10). These rankings refresh as new reviews come in.
How much does plumbing service cost in Oakland?
Costs in Oakland 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 Oakland?
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 Oakland - we've cataloged 17 of them on this page alone.
What are red flags to avoid when hiring plumbing in Oakland?
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 17 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 17 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 Oakland 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 Oakland — refreshed quarterly.
Plumbing trends in Oakland, Q4 2026
Pricing, demand, and review-volume trends for plumbing providers in Oakland.
Home-service trends in Oakland, California (Q4 2026)
Across every category, here's what's changing in the Oakland home-service market this quarter.
State of Plumbing in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for plumbing providers across California.
State of home services in California, Q4 2026
Pricing, demand, and provider trends across every home-service category in California.
State of Construction in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for construction providers across California.
State of HVAC in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for hvac providers across California.
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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- ✓Verified badge next to your name
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Fill out the verification form right here. We'll match it to your Google Business Profile and confirm by phone within one business day.
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About the author
Written by
Growth & Product Marketing, ServiceAgent
Shaambhav Shankar works in product marketing at SaaS Labs, the company behind ServiceAgent, and describes himself as a marketing generalist with six years of experience in SaaS. He studied at Symbiosis International University and is based in the Greater Delhi Area. He writes the bulk of the ServiceAgent blog, covering call answering, CRM and the operational side of running a home services business, and authors and maintains the ServiceAgent Directory rankings.
Credentials
- Symbiosis International University (2016-2019)
- Digital Marketing, Google India (2020)
- Financial Modelling and Valuation, Ernst & Young (2019)
- Building with the Claude API, Anthropic (2026)
- AI Fluency for Builders, Anthropic (2026)
- Introduction to Model Context Protocol, Anthropic (2026)
Greater Delhi Area, India · 6 years experience
Every ranking on this page is written and maintained by Shaambhav Shankar, who owns the ranking methodology and verifies each provider listing against public data. No pay-to-rank, no sponsored placements. Read our methodology →
Update history
- October 21, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.
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