94/100CR Score
Ranked #1 because of its Google rating and availability: 4.9★ from 923 Google reviews, open 24/7.
- 4.9★ from 923 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1025 N Dutton Ave, Santa Rosa, CA 95401
Best Plumbers in Sebastopol, CA (2026)
186 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sebastopol: Mr. Rooter Plumbing of Sonoma County, CR Score 94/100; 4.9★ from 923 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Redwood Sewer & Drain Services, posts 24/7 hours; ranked #2 of 186.
- 19
Most-reviewed: Ongaro & Sons, 1,222 Google reviews at 4.9★, the most of 186 ranked; ranked #19.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
186 Sebastopol plumbers are ranked here by CR Score, from 8 published factors. 47 are open 24/7, 107 open Saturdays and 77 open Sundays, based on posted hours. The median Google rating is 5.0★ across 186 rated businesses.
Top 10 plumbers in Sebastopol at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Mr. Rooter Plumbing of Sonoma County | 94 | 4.9★ (923) | Santa Rosa, 6 mi away | 24/7 | Overall |
| 2 | Redwood Sewer & Drain Services | 91 | 5.0★ (163) | Larkfield-Wikiup, 5 mi away | 24/7 | Emergencies |
| 3 | S Waters Plumbing | 91 | 5.0★ (210) | Lucas Valley-Marinwood, 10 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 90 | 4.7★ (393) | Cotati, 7 mi away | 24/7 | — |
| 5 | Rooter Man Sonoma County | 90 | 4.9★ (570) | Santa Rosa, 4 mi away | Sat · Sun | — |
| 6 | KC Home Services Plumbing, Heating & AC Repair | 89 | 4.9★ (827) | Santa Rosa, 6 mi away | 24/7 | — |
| 7 | West Coast Plumbing | 89 | 4.9★ (90) | Santa Rosa, 6 mi away | 24/7 | — |
| 8 | Elite Plumbing Services | 89 | 4.9★ (123) | Cotati, 9 mi away | 24/7 | — |
| 9 | United States Plumbing | 89 | 5.0★ (66) | Santa Rosa, 7 mi away | 24/7 | — |
| 10 | Marin Roto-Rooter | 89 | 4.9★ (1,033) | Novato, 24 mi away | 24/7 | — |
The 186 best plumbers in Sebastopol, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Larkfield-Wikiup, 5 mi away
91/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 163 Google reviews, open 24/7.
- 5.0★ from 163 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Lucas Valley-Marinwood, 10 mi away
91/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 210 Google reviews, open 24/7.
- 5.0★ from 210 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cotati, 7 mi away
90/100CR ScoreRanked #4 because of its Google rating and availability: 4.7★ from 393 Google reviews, open 24/7.
- 4.7★ from 393 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 595 Portal St B, Cotati, CA 94931
Based in Santa Rosa, 4 mi away
90/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 570 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 570 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 789 Lombardi Ct Suite 208, Santa Rosa, CA 95407
Based in Santa Rosa, 6 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 827 Google reviews, open 24/7.
- 4.9★ from 827 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 328 Yolanda Ave, Santa Rosa, CA 95404
Based in Santa Rosa, 6 mi away
89/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 90 Google reviews, open 24/7.
- 4.9★ from 90 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 374 Yolanda Ave Suite D, Santa Rosa, CA 95404
Based in Cotati, 9 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 123 Google reviews, open 24/7.
- 4.9★ from 123 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 Valparaiso Ave, Cotati, CA 94931
Based in Santa Rosa, 7 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 66 Google reviews, open 24/7.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 445 S E St #12, Santa Rosa, CA 95404
Based in Novato, 24 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 1,033 Google reviews, open 24/7.
- 4.9★ from 1,033 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 885 Olive Ave Suite D, Novato, CA 94945
Based in Rohnert Park, 7 mi away
89/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 401 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 401 Google reviews
- Hours
- Mon–Sun 8 AM–9 PM
- Address
- 5772 Commerce Blvd, Rohnert Park, CA 94928
Based in Corte Madera, 7 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 45 Google reviews, open 24/7.
- 5.0★ from 45 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Santa Rosa, 5 mi away
88/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 149 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 9 AM–6 PM
Based in Santa Rosa, 7 mi away
88/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 38 Google reviews, open 24/7.
- 5.0★ from 38 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3402 Mendocino Ave, Santa Rosa, CA 95403
Based in Santa Rosa, 2 mi away
88/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 103 Google reviews
- Hours
- Mon–Fri 7:30 AM–7 PM · Sat 8:30 AM–5 PM · Sun 9:30 AM–3 PM
Based in Sebastopol
88/100CR ScoreRanked #16 because of its Google rating and availability: 4.5★ from 40 Google reviews, open 24/7.
- 4.5★ from 40 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 698 Petaluma Ave, Sebastopol, CA 95472
Based in Windsor, 9 mi away
88/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 531 Google reviews, open 24/7.
- 4.9★ from 531 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 American Way, Windsor, CA 95492
#18 Mr Plumber
Based in Cotati, 6 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 30 Google reviews, open 24/7.
- 4.9★ from 30 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#19 Ongaro & Sons
Based in Santa Rosa, 7 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 1,222 Google reviews, open 24/7.
- 4.9★ from 1,222 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 250 D St Suite 700B, Santa Rosa, CA 95404
Based in Santa Rosa, 6 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
- 5.0★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1007 W College Ave #143, Santa Rosa, CA 95401
Based in Santa Rosa, 7 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 23 Google reviews, open 24/7.
- 4.9★ from 23 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 720 2nd St #5511, Santa Rosa, CA 95402
Based in Cotati, 5 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Cotati, 5 mi away
87/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Rohnert Park, 5 mi away
87/100CR ScoreRanked #24 because of its Google rating and availability: 4.8★ from 16 Google reviews, open 24/7.
- 4.8★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Santa Rosa, 6 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1007 W College Ave #135, Santa Rosa, CA 95401
Plumbers ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 186 ranked plumbers here; the rest are on their profiles.
Also serving Sebastopol
20 more plumbers within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Aquacraft Plumbing Inc. | 5.0★ (7) | 10 mi |
| CBS Plumbing & Heating | 5.0★ (2) | 6 mi |
| Clear Wood Plumbing LLC | 5.0★ (6) | 15 mi |
| Desired Plumbing, Inc. | 5.0★ (2) | 15 mi |
| Geo Services Group | 4.0★ (1) | In Sebastopol |
| Healdsburg Plumbing | 5.0★ (14) | 15 mi |
| Henry Mechanical | 5.0★ (866) | 9 mi |
| Herrera Plumbing LLC | 5.0★ (5) | 9 mi |
| Hoyt Plumbing Heating & Air | 5.0★ (1) | In Sebastopol |
| Josski Plumbing | 5.0★ (1) | In Sebastopol |
| L.J. Construction | In Sebastopol | |
| Peter Piper's Plumbing and Drain Cleaning Service | 3.4★ (17) | 10 mi |
| Regina Plumbing | 5.0★ (2) | 15 mi |
| Remons Main Sewer Camera Services & Drain Clearing | 5.0★ (20) | 10 mi |
| Rich your Local Handyman Services | 5.0★ (4) | 7 mi |
| S S Construction | 5.0★ (5) | 9 mi |
| Scott Cramer Plumbing | 5.0★ (2) | 13 mi |
| Terry Bugbee Plumbing | In Sebastopol | |
| The Cardenas Plumbing | 5.0★ (7) | 15 mi |
| Todd Norris Plumbing & Heating | 5.0★ (2) | 14 mi |
How much do plumbers cost in Sebastopol?
National price ranges in USD, not adjusted for Sebastopol. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in California
In California, Contractors State License Board (CSLB) licenses C-36 Plumbing contractor license.
Jobs of $1,000 or more in labor and materials (from January 1, 2025).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
How we ranked Sebastopol plumbers
We scored 186 Sebastopol plumbers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Sebastopol data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Plumbers in Sebastopol: frequently asked questions
Who is the best plumber in Sebastopol?
By CR Score, the highest-ranked plumber in Sebastopol, CA is Mr. Rooter Plumbing of Sonoma County with a CR Score of 94/100. It has 4.9★ from 923 Google reviews. It is open 24/7. Redwood Sewer & Drain Services (#2) and S Waters Plumbing (#3) follow. We ranked 186 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Sebastopol?
ContractorsRanked ranks 186 plumbers serving Sebastopol, CA. 2 of them are based in Sebastopol; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Sebastopol are open 24/7?
47 ranked plumbers in Sebastopol post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of Sonoma County (#1), Redwood Sewer & Drain Services (#2) and S Waters Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Sebastopol work on weekends?
107 of 186 ranked plumbers post Saturday hours and 77 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of Sonoma County (#1), Redwood Sewer & Drain Services (#2) and S Waters Plumbing (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in California?
In California, Contractors State License Board (CSLB) handles licensing and covers C-36 Plumbing contractor license. Search the business or license number at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx. Jobs of $1,000 or more in labor and materials (from January 1, 2025).
How much does water heater replacement cost in Sebastopol?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Sebastopol. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Sebastopol plumbers have?
The median Google rating among 186 rated plumbers in Sebastopol is 5.0★, with a median of 14 reviews. Ongaro & Sons has the most, 1,222 reviews, and ranks #19. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for Sebastopol
- October 2026: CR Scores recalculated for 186 plumbers serving Sebastopol.
- October 2026: 2 duplicate listings merged.
More plumbers and Sebastopol pages
Plumbers near Sebastopol
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