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Best Plumbers in Tamalpais Valley, CA (2026)

432 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Tamalpais Valley: Discount Plumbing Rooter Services, CR Score 64/100; 4.9★ from 2,670 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Advanced Plumbing & Drain, posts 24/7 hours; ranked #2 of 432.

  3. 38

    Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 432 ranked; ranked #38.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

432 Tamalpais Valley plumbers are ranked here by CR Score, from ten published factors. 136 are open 24/7, 256 open Saturdays and 174 open Sundays, based on posted hours. The median Google rating is 4.9★ across 432 rated businesses.

Top 10 plumbers in Tamalpais Valley at a glance

Top 10 plumbers in Tamalpais Valley at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Discount Plumbing Rooter Services644.9★ (2,670)Daly City, 14 mi away24/7Overall
2Advanced Plumbing & Drain644.9★ (666)San Francisco, 8 mi away24/7Emergencies
3Discount Plumbing San Francisco635.0★ (465)San Francisco, 11 mi away24/7—
4EO Plumbing Service634.9★ (171)Albany, 2 mi away24/7—
5Marin Roto-Rooter624.9★ (1,033)Novato, 16 mi away24/7—
6Fast Water Heater Company624.9★ (1,240)Richmond, 11 mi awaySat · Sun · Evenings—
7Roto-Rooter624.9★ (391)San Francisco, 12 mi away24/7—
8Ace Plumbing & Rooter, Inc.624.9★ (931)San Francisco, 11 mi awaySat · Sun · Evenings—
9Fast Response Plumbing & Rooter624.9★ (520)San Francisco, 8 mi awaySat · Sun · Evenings—
10Sharky Plumbing 510 & Rooter LLC - Plumbing Service in Oakland Ca625.0★ (62)Alameda, 3 mi away24/7—

The 432 best plumbers in Tamalpais Valley, ranked

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.

  5. #5 Marin Roto-Rooter

    Based in Novato, 16 mi away

    62/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 1,033 Google reviews, listed on Google as “Plumber”.

    • 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
    View profile for Marin Roto-Rooter(415) 898-2700

  7. #7 Roto-Rooter

    Based in San Francisco, 12 mi away

    62/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 391 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 391 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    60 29th St #428, San Francisco, CA 94110
    View profile for Roto-Rooter(415) 964-3302

  12. #12 Local Plumbing

    Based in San Rafael, 6 mi away

    61/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 87 Google reviews, listed on Google as “Plumber”.

    • 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
    View profile for Local Plumbing(415) 323-5140

  14. #14 SplashFix Plumbing

    Based in South San Francisco, 16 mi away

    61/100CR Score

    Ranked #14 because of its Google rating and trade focus: 5.0★ from 375 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 375 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    387 Newman Dr, South San Francisco, CA 94080
    View profile for SplashFix Plumbing(415) 223-5389

  15. #15 Roto-Rooter

    Based in Daly City, 16 mi away

    61/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.9★ from 407 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 407 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3840 Bayshore Blvd, Brisbane, CA 94005
    View profile for Roto-Rooter(415) 480-7073

  17. #17 Genteel Plumbers

    Based in San Francisco, 14 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 345 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 345 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1181 Revere Ave, San Francisco, CA 94124
    View profile for Genteel Plumbers(833) 436-8335

  20. #20 Isackson Plumbing

    Based in San Francisco, 8 mi away

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 74 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 74 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3149 California St, San Francisco, CA 94115
    View profile for Isackson Plumbing(415) 406-3511

  22. #22 O'Grady Plumbing

    Based in San Francisco, 13 mi away

    60/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 173 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 173 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1610 Evans Ave, San Francisco, CA 94124
    View profile for O'Grady Plumbing(415) 985-0155

  23. #23 Caccia Home Services

    Based in Burlingame, 22 mi away

    60/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,910 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 1,910 Google reviews
    Hours
    Mon–Tue 8 AM–5 PM · Wed–Fri 8 AM–9 PM · Sat–Sun 10 AM–6 PM
    Address
    1660 Gilbreth Rd, Burlingame, CA 94010
    View profile for Caccia Home Services(650) 342-5363

  25. #25 Big Blue Plumbing

    Based in Alameda, 16 mi away

    60/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.7★ from 575 Google reviews, listed on Google as “Plumber”.

    • 4.7★ from 575 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    768 Stewart Ct, Alameda, CA 94501
    View profile for Big Blue Plumbing(510) 939-7870

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 432 ranked plumbers here; the rest are on their profiles.

plumbers in Tamalpais Valley, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Heise's Plumbing604.9★ (1,454)12 mi
27Chosen Rooter & Plumbing Inc.604.8★ (297)9 mi
28Kenneth Asire Plumbing604.9★ (432)13 mi
29Petersen Plumbing Services604.5★ (63)2 mi
30Roto-Rooter Plumbing & Water Cleanup605.0★ (191)16 mi
31Pipe Spy, Inc.604.9★ (182)15 mi
32Local Plumbing605.0★ (211)4 mi
33Lifesaver Plumbing And Rooter605.0★ (88)13 mi
34Whistle Plumbing605.0★ (365)16 mi
35Rooter Hero Plumbing & Air of Martinez604.8★ (1,092)25 mi
36Roto-Rooter Plumbing & Water Cleanup594.8★ (2,560)16 mi
37Works Plumbing Repair & Drain Cleaning594.6★ (99)8 mi
38Albert Nahman Plumbing, Heating, and Cooling594.7★ (3,311)15 mi
39Cabrillo Plumbing, Heating & Air594.9★ (966)12 mi
40Hydro Plumbing & Rooter595.0★ (67)13 mi
41Legato Plumbing595.0★ (40)3 mi
42Dr. Drain Plumbing and Rooter595.0★ (200)21 mi
43Gotelli Plumbing Company594.8★ (884)6 mi
44One Source Plumbing & Rooter, Inc.594.9★ (43)10 mi
45Divine Electric And Plumbing594.9★ (589)6 mi
46GTO. Plumbing and rooter594.9★ (59)12 mi
47Repipe Specialists of the Bay Area594.5★ (64)7 mi
48The Plumbing Two594.9★ (57)12 mi
49ZAYA Plumbing Maintenance LLC.595.0★ (84)10 mi
50Driptech Plumbing Solutions594.6★ (9)1 mi

Also serving Tamalpais Valley

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.

Unranked plumbers serving Tamalpais Valley
BusinessGoogle ratingDistance
ABC Maintenance and Handyman Services5.0★ (2)9 mi
Ayala’s Plumbing Solutions5.0★ (2)13 mi
Bay Area Plumbing4.5★ (26)8 mi
Bay Area Plumbing Inc3.0★ (2)4 mi
Bay Plumbing5.0★ (2)18 mi
Ben Jacobs Plumbing5.0★ (2)12 mi
Big Smile Plumbing5.0★ (91)18 mi
Cal-Delta Plumbing5.0★ (20)7 mi
City Wide Pro Plumbing5.0★ (2)16 mi
Erwyn's Plumbing Inc5.0★ (2)12 mi
Fast Local Plumbers4.7★ (83)15 mi
Flow Form Plumbing5.0★ (2)13 mi
Pacific Plumbing3.0★ (2)17 mi
Performance Plumbing5.0★ (2)14 mi
Plumbing 1 builders5.0★ (2)13 mi
Plumbing Aaron Bernal Heights4.5★ (2)13 mi
Precision Flow Plumbing4.8★ (68)13 mi
Rising Design & Construction3.0★ (2)11 mi
Rooter Bong5.0★ (2)12 mi
Ros Plumbing5.0★ (2)12 mi

How much do plumbers cost in Tamalpais Valley?

National price ranges in USD, not adjusted for Tamalpais Valley. Each row names its basis and the month we checked it.

How much do plumbers cost in Tamalpais Valley?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 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).

  1. Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Tamalpais Valley plumbers

We scored 432 Tamalpais Valley 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Tamalpais Valley data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Plumbers in Tamalpais Valley: frequently asked questions

Who is the best plumber in Tamalpais Valley?

By CR Score, the highest-ranked plumber in Tamalpais Valley, CA is Discount Plumbing Rooter Services with a CR Score of 64/100. It has 4.9★ from 2,670 Google reviews. It is open 24/7. Advanced Plumbing & Drain (#2) and Discount Plumbing San Francisco (#3) follow. We ranked 432 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Tamalpais Valley?

ContractorsRanked ranks 432 plumbers serving Tamalpais Valley, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Tamalpais Valley are open 24/7?

136 ranked plumbers in Tamalpais Valley post 24/7 hours. The highest-ranked are Discount Plumbing Rooter Services (#1), Advanced Plumbing & Drain (#2) and Discount Plumbing San Francisco (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Tamalpais Valley work on weekends?

256 of 432 ranked plumbers post Saturday hours and 174 post Sunday hours. The highest-ranked open Saturdays are Discount Plumbing Rooter Services (#1), Advanced Plumbing & Drain (#2) and Discount Plumbing San Francisco (#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 Tamalpais Valley?

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 Tamalpais Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Tamalpais Valley plumbers have?

The median Google rating among 432 rated plumbers in Tamalpais Valley is 4.9★, with a median of 18 reviews. Albert Nahman Plumbing, Heating, and Cooling has the most, 3,311 reviews, and ranks #38. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Tamalpais Valley

  1. October 2026: CR Scores recalculated for 432 plumbers serving Tamalpais Valley.
  2. October 2026: 1 duplicate listing merged.

More plumbers and Tamalpais Valley pages

Other trades in Tamalpais Valley