94/100CR Score
Ranked #1 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
Best Plumbers in Novato, CA (2026)
344 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Novato: Marin Roto-Rooter, CR Score 94/100; 4.9★ from 1,033 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Bellows Plumbing, Heating, Cooling & Electrical, posts 24/7 hours; ranked #3 of 344.
- 32
Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 344 ranked; ranked #32.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
344 Novato plumbers are ranked here by CR Score, from 8 published factors. 97 are open 24/7, 186 open Saturdays and 129 open Sundays, based on posted hours. The median Google rating is 4.9★ across 344 rated businesses.
Top 10 plumbers in Novato at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Marin Roto-Rooter | 94 | 4.9★ (1,033) | Novato | 24/7 | Overall |
| 2 | Benjamin Franklin Plumbing - Novato | 90 | 4.8★ (791) | Novato | Sat · Sun · Evenings | — |
| 3 | Bellows Plumbing, Heating, Cooling & Electrical | 89 | 4.9★ (480) | Novato | 24/7 | Emergencies |
| 4 | Fast Local Plumbers | 89 | 4.7★ (83) | Novato | 24/7 | — |
| 5 | Local Plumbing | 88 | 5.0★ (87) | San Rafael, 11 mi away | 24/7 | — |
| 6 | Advanced Plumbing & Drain | 88 | 4.9★ (666) | San Francisco, 23 mi away | 24/7 | — |
| 7 | EO Plumbing Service | 88 | 4.9★ (171) | Albany, 14 mi away | 24/7 | — |
| 8 | Mr. Rooter Plumbing of Sonoma County | 88 | 4.9★ (923) | Santa Rosa, 25 mi away | 24/7 | — |
| 9 | Jacob & Sons Plumbing | 87 | 4.9★ (75) | San Anselmo, 10 mi away | 24/7 | — |
| 10 | Fast Water Heater Company | 87 | 4.9★ (1,240) | Richmond, 16 mi away | Sat · Sun · Evenings | — |
The 344 best plumbers in Novato, 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 Novato
90/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 791 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 791 Google reviews
- Hours
- Mon–Sun 7 AM–7 PM
- Address
- 22 Digital Dr, Novato, CA 94949
Based in Novato
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 480 Google reviews, open 24/7.
- 4.9★ from 480 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 86 Hamilton Dr Suite A, Novato, CA 94949
Based in Novato
89/100CR ScoreRanked #4 because of its Google rating and availability: 4.7★ from 83 Google reviews, open 24/7.
- 4.7★ from 83 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 240 Vintage Way #5900, Novato, CA 94945
Based in San Rafael, 11 mi away
88/100CR ScoreRanked #5 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1221 Andersen Dr Unit M, San Rafael, CA 94901
Based in San Francisco, 23 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 666 Google reviews, open 24/7.
- 4.9★ from 666 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3450 Sacramento St #204, San Francisco, CA 94118
Based in Albany, 14 mi away
88/100CR ScoreRanked #7 because of its Google rating and availability: 4.9★ from 171 Google reviews, open 24/7.
- 4.9★ from 171 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Santa Rosa, 25 mi away
88/100CR ScoreRanked #8 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
Based in San Anselmo, 10 mi away
87/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 75 Google reviews, open 24/7.
- 4.9★ from 75 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5 Belle Ave, San Anselmo, CA 94960
Based in Richmond, 16 mi away
87/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 1,240 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,240 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
- Address
- 1065 Hensley St, Richmond, CA 94801
Based in Novato
87/100CR ScoreRanked #11 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
- 27 Pamaron Way STE H, Novato, CA 94949
Based in Richmond, 16 mi away
87/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 127 Google reviews, open 24/7.
- 4.9★ from 127 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1000 13th St, Richmond, CA 94801
Based in Cotati, 17 mi away
86/100CR ScoreRanked #13 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 Cotati, 18 mi away
86/100CR ScoreRanked #14 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 Novato
86/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Alameda, 17 mi away
86/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
- 5.0★ from 62 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Larkfield-Wikiup, 24 mi away
86/100CR ScoreRanked #17 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
#18 Kelly Plumbing
Based in Antioch, 13 mi away
86/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 35 Google reviews, open 24/7.
- 5.0★ from 35 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Richmond, 20 mi away
85/100CR ScoreRanked #19 because of its Google rating and availability: 5.0★ from 88 Google reviews, open 24/7.
- 5.0★ from 88 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5327 Jacuzzi St, Richmond, CA 94804
#20 The Plumbing Two
Based in San Pablo, 16 mi away
85/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 57 Google reviews, open 24/7.
- 4.9★ from 57 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 107 Buena Ventura St Apt 80, San Pablo, CA 94806
Based in Fairfield, 24 mi away
85/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 265 Google reviews, open 24/7.
- 4.8★ from 265 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 499 Watt Dr Ste A, Fairfield, CA 94534
Based in San Pablo, 16 mi away
85/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2049 23rd St, San Pablo, CA 94806
Based in Richmond, 18 mi away
85/100CR ScoreRanked #23 because of its Google rating and availability: 4.9★ from 59 Google reviews, open 24/7.
- 4.9★ from 59 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3640 Chanslor Ave Apt 5, Richmond, CA 94805
Based in Hercules, 17 mi away
85/100CR ScoreRanked #24 because of its Google rating and availability: 4.7★ from 113 Google reviews, open 24/7.
- 4.7★ from 113 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45 Glenwood, Hercules, CA 94547
#25 Ongaro & Sons
Based in San Anselmo, 9 mi away
85/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 762 Google reviews, open 24/7.
- 4.9★ from 762 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11 Ross Ave, San Anselmo, CA 94960
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 344 ranked plumbers here; the rest are on their profiles.
Also serving Novato
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 |
|---|---|---|
| All Plumbing | 5.0★ (2) | 16 mi |
| Baswell Plumbing | In Novato | |
| Bay Area Plumbing Inc | 3.0★ (2) | 14 mi |
| bob-mortiz | 5.0★ (1) | In Novato |
| Boston Bob's Home Improvements | In Novato | |
| Chosen Rooter & Plumbing Inc. | 4.8★ (297) | 23 mi |
| DARWIN'S PLUMBING | In Novato | |
| Desired Plumbing, Inc. | 5.0★ (2) | 11 mi |
| Erwyn's Plumbing Inc | 5.0★ (2) | 16 mi |
| Icon Plumbing & Design | 4.0★ (4) | 8 mi |
| J. Pontes Plumbing | 5.0★ (1) | In Novato |
| J.G. Plumbing | 5.0★ (13) | 18 mi |
| Marin H2O Inc. | 5.0★ (1) | In Novato |
| Pacific Plumbing | 3.0★ (2) | 17 mi |
| Plumbing Repair Specialists | In Novato | |
| Remons Main Sewer Camera Services & Drain Clearing | 5.0★ (20) | 18 mi |
| Repipe Specialists of the Bay Area | 4.5★ (64) | 20 mi |
| Rising Design & Construction | 3.0★ (2) | 12 mi |
| Scott Cramer Plumbing | 5.0★ (2) | 12 mi |
| Steve Silva Plumbing Inc | 4.6★ (49) | 19 mi |
How much do plumbers cost in Novato?
National price ranges in USD, not adjusted for Novato. 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 Novato plumbers
We scored 344 Novato 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 Novato 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 Novato: frequently asked questions
Who is the best plumber in Novato?
By CR Score, the highest-ranked plumber in Novato, CA is Marin Roto-Rooter with a CR Score of 94/100. It has 4.9★ from 1,033 Google reviews. It is open 24/7. Benjamin Franklin Plumbing - Novato (#2) and Bellows Plumbing, Heating, Cooling & Electrical (#3) follow. We ranked 344 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Novato?
ContractorsRanked ranks 344 plumbers serving Novato, CA. 8 of them are based in Novato; 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 Novato are open 24/7?
97 ranked plumbers in Novato post 24/7 hours. The highest-ranked are Marin Roto-Rooter (#1), Bellows Plumbing, Heating, Cooling & Electrical (#3) and Fast Local Plumbers (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Novato work on weekends?
186 of 344 ranked plumbers post Saturday hours and 129 post Sunday hours. The highest-ranked open Saturdays are Marin Roto-Rooter (#1), Benjamin Franklin Plumbing - Novato (#2) and Bellows Plumbing, Heating, Cooling & Electrical (#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 Novato?
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 Novato. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Novato plumbers have?
The median Google rating among 344 rated plumbers in Novato is 4.9★, with a median of 15 reviews. Albert Nahman Plumbing, Heating, and Cooling has the most, 3,311 reviews, and ranks #32. 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 Novato
- October 2026: CR Scores recalculated for 344 plumbers serving Novato.
More plumbers and Novato pages
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Other trades in Novato
- Roofers in Novato497 ranked
- Electricians in Novato252 ranked
- HVAC contractors in Novato214 ranked
- General contractors in Novato511 ranked
- Painters in Novato61 ranked
- Landscapers in Novato58 ranked
- Handymen in Novato17 ranked
- Kitchen remodelers in Novato204 ranked
- Bathroom remodelers in Novato194 ranked
- Flooring contractors in Novato130 ranked
- Tile installers in Novato16 ranked
- Drywall contractors in Novato8 ranked
- Concrete contractors in Novato145 ranked
- Fence contractors in Novato79 ranked
- Deck builders in Novato69 ranked
- Siding contractors in Novato81 ranked
- Window installers in Novato215 ranked
- Gutter installers in Novato92 ranked
- Insulation contractors in Novato48 ranked
- Solar installers in Novato203 ranked
- Garage door repair companies in Novato84 ranked
- Foundation repair companies in Novato96 ranked
- Tree services in Novato148 ranked
- Masonry contractors in Novato81 ranked
- Water damage restoration companies in Novato259 ranked
- Home builders in Novato303 ranked
- Demolition contractors in Novato62 ranked
- All contractors in Novato