386 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Lucas Valley-Marinwood: Marin Roto-Rooter, CR Score 65/100; 4.9★ from 1,033 Google reviews; open 24/7.
Best for emergencies (open 24/7): S Waters Plumbing, posts 24/7 hours; ranked #2 of 386.
Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 386 ranked; ranked #40.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
386 Lucas Valley-Marinwood plumbers are ranked here by CR Score, from ten published factors. 117 are open 24/7, 216 open Saturdays and 155 open Sundays, based on posted hours. The median Google rating is 4.9★ across 386 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Marin Roto-Rooter | 65 | 4.9★ (1,033) | Novato, 5 mi away | 24/7 | Overall |
| 2 | S Waters Plumbing | 64 | 5.0★ (210) | Lucas Valley-Marinwood | 24/7 | Emergencies |
| 3 | Benjamin Franklin Plumbing - Novato | 63 | 4.8★ (791) | Novato, 3 mi away | Sat · Sun · Evenings | — |
| 4 | Fast Water Heater Company | 62 | 4.9★ (1,240) | Richmond, 13 mi away | Sat · Sun · Evenings | — |
| 5 | EO Plumbing Service | 61 | 4.9★ (171) | Albany, 10 mi away | 24/7 | — |
| 6 | Advanced Plumbing & Drain | 61 | 4.9★ (666) | San Francisco, 19 mi away | 24/7 | — |
| 7 | Jacob & Sons Plumbing | 61 | 4.9★ (75) | San Anselmo, 5 mi away | 24/7 | — |
| 8 | Local Plumbing | 61 | 5.0★ (87) | San Rafael, 7 mi away | 24/7 | — |
| 9 | Bellows Plumbing, Heating, Cooling & Electrical | 61 | 4.9★ (480) | Novato, 3 mi away | 24/7 | — |
| 10 | Fast Local Plumbers | 61 | 4.7★ (83) | Novato, 4 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,033 Google reviews, listed on Google as “Plumber”.
Based in Lucas Valley-Marinwood
Ranked #2 because of its Google rating and trade focus: 5.0★ from 210 Google reviews, listed on Google as “Plumber”.
Based in Novato, 3 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 791 Google reviews, listed on Google as “Plumber”.
Based in Richmond, 13 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 1,240 Google reviews, listed on Google as “Plumber”.
Based in Albany, 10 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 171 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 19 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 666 Google reviews, listed on Google as “Plumber”.
Based in San Anselmo, 5 mi away
Ranked #7 because of its Google rating and trade focus: 4.9★ from 75 Google reviews, listed on Google as “Plumber”.
Based in San Rafael, 7 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Plumber”.
Based in Novato, 3 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 480 Google reviews.
Based in Novato, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.7★ from 83 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 21 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 465 Google reviews, listed on Google as “Plumber”.
Based in Martinez, 25 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 1,092 Google reviews, listed on Google as “Plumber”.
Based in Richmond, 14 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 127 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 21 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 931 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 22 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 391 Google reviews, listed on Google as “Plumber”.
Based in San Rafael, 3 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 588 Google reviews, listed on Google as “Plumber”.
Based in Alameda, 12 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “Plumber”.
Based in Kentfield, 4 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 19 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 520 Google reviews, listed on Google as “Plumber”.
Based in San Rafael, 6 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 884 Google reviews, listed on Google as “Plumber”.
Based in San Francisco, 24 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 848 Google reviews, listed on Google as “Plumber”.
Based in Novato, 3 mi away
Ranked #22 because of its Google rating and review volume: 4.8★ from 1,640 Google reviews.
Based in Novato, 3 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based in Lucas Valley-Marinwood
Ranked #24 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Plumber”.
Based in San Rafael, 7 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 589 Google reviews, listed on Google as “Plumber”.
#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 386 ranked plumbers here; the rest are on their profiles.
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 |
|---|---|---|
| ABC Maintenance and Handyman Services | 5.0★ (2) | 20 mi |
| All Plumbing | 5.0★ (2) | 17 mi |
| Andrew Pinos Plumbing | 4.4★ (7) | 3 mi |
| AR Plumbing Inc | 5.0★ (8) | 8 mi |
| Bay Area Plumbing Inc | 3.0★ (2) | 10 mi |
| Bay Ridge Plumbing INC. | 5.0★ (6) | 5 mi |
| Cal-Delta Plumbing | 5.0★ (20) | 14 mi |
| Desired Plumbing, Inc. | 5.0★ (2) | 15 mi |
| Erwyn's Plumbing Inc | 5.0★ (2) | 14 mi |
| Heise's Plumbing | 4.9★ (1,454) | 23 mi |
| Local Plumbing | 5.0★ (211) | 14 mi |
| Mr. Drain Plumbing of Kentfield | In Lucas Valley-Marinwood | |
| Mr. Drain Plumbing of San Anselmo | In Lucas Valley-Marinwood | |
| Pacific Plumbing | 3.0★ (2) | 16 mi |
| Repipe Specialists of the Bay Area | 4.5★ (64) | 16 mi |
| Rising Design & Construction | 3.0★ (2) | 8 mi |
| Rooterman Drain & Sewer Service | 5.0★ (2) | 20 mi |
| Ros Plumbing | 5.0★ (2) | 23 mi |
| Scott Cramer Plumbing | 5.0★ (2) | 17 mi |
| Wilson's Plumbing | 5.0★ (3) | 3 mi |
National price ranges in USD, not adjusted for Lucas Valley-Marinwood. 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 |
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).
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
We scored 386 Lucas Valley-Marinwood plumbers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 Lucas Valley-Marinwood data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |