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Emergency Plumbers in Mill Valley, CA (2026)

Top 50 of 431 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in Mill Valley: Discount Plumbing Rooter Services, open 24/7.

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

Top emergency plumbers in Mill Valley at a glance

Top emergency plumbers in Mill Valley at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Discount Plumbing Rooter Services924.9★ (2,670)Daly City, 16 mi away24/7
2EO Plumbing Service924.9★ (171)Albany, 1 mi away24/7
3Advanced Plumbing & Drain914.9★ (666)San Francisco, 10 mi away24/7
4Marin Roto-Rooter914.9★ (1,033)Novato, 14 mi away24/7
5Discount Plumbing San Francisco915.0★ (465)San Francisco, 12 mi away24/7
6Local Plumbing905.0★ (87)San Rafael, 4 mi away24/7
7Roto-Rooter904.9★ (391)San Francisco, 13 mi away24/7
8Chosen Rooter & Plumbing Inc.904.8★ (297)San Francisco, 10 mi away24/7
9Sharky Plumbing 510 & Rooter LLC - Plumbing Service in Oakland Ca895.0★ (62)Alameda, 3 mi away24/7
1024/7 Rooter & Plumbing894.7★ (848)San Francisco, 15 mi away24/7

Call an emergency plumber in Mill Valley now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in Mill Valley, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 431 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  4. #4 Marin Roto-Rooter

    Based in Novato, 14 mi away

    91/100CR Score

    Ranked #4 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
    View profile for Marin Roto-Rooter(415) 898-2700

  6. #6 Local Plumbing

    Based in San Rafael, 4 mi away

    90/100CR Score

    Ranked #6 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
    View profile for Local Plumbing(415) 323-5140

  7. #7 Roto-Rooter

    Based in San Francisco, 13 mi away

    90/100CR Score

    Ranked #7 because of its Google rating and availability: 4.9★ from 391 Google reviews, open 24/7.

    • 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

  13. #13 SplashFix Plumbing

    Based in South San Francisco, 18 mi away

    89/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 375 Google reviews, open 24/7.

    • 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, 18 mi away

    89/100CR Score

    Ranked #15 because of its Google rating and availability: 4.9★ from 407 Google reviews, open 24/7.

    • 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

  18. #18 Genteel Plumbers

    Based in San Francisco, 15 mi away

    88/100CR Score

    Ranked #18 because of its Google rating and availability: 4.8★ from 345 Google reviews, open 24/7.

    • 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, 10 mi away

    88/100CR Score

    Ranked #20 because of its Google rating and availability: 5.0★ from 74 Google reviews, open 24/7.

    • 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

  21. #21 O'Grady Plumbing

    Based in San Francisco, 14 mi away

    88/100CR Score

    Ranked #21 because of its Google rating and availability: 4.9★ from 173 Google reviews, open 24/7.

    • 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

  25. #25 Heise's Plumbing

    Based in San Francisco, 14 mi away

    88/100CR Score

    Ranked #25 because of its Google rating and availability: 4.9★ from 1,454 Google reviews, open 24/7.

    • 4.9★ from 1,454 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    260 Ocean Ave, San Francisco, CA 94112
    View profile for Heise's Plumbing(415) 333-0704

Top 50 of 431 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in Mill Valley, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Lifesaver Plumbing And Rooter885.0★ (88)13 mi
27Pipe Spy, Inc.884.9★ (182)16 mi
28Local Plumbing875.0★ (211)5 mi
29Tidy Plumbing Inc.874.7★ (15)In Mill Valley
30Albert Nahman Plumbing, Heating, and Cooling874.7★ (3,311)16 mi
31Roto-Rooter Plumbing & Water Cleanup874.8★ (2,560)17 mi
32Cabrillo Plumbing, Heating & Air874.9★ (966)14 mi
33Works Plumbing Repair & Drain Cleaning874.6★ (99)10 mi
34Big Brothers Plumbing Inc875.0★ (150)19 mi
35GTO. Plumbing and rooter874.9★ (59)12 mi
36Hydro Plumbing & Rooter875.0★ (67)14 mi
37The Plumbing Two874.9★ (57)12 mi
38Dr. Drain Plumbing and Rooter875.0★ (200)22 mi
39Bellows Plumbing, Heating, Cooling & Electrical864.9★ (480)12 mi
40PrimeFlow Plumbing San Pablo865.0★ (39)12 mi
41Cal-Delta Plumbing865.0★ (20)7 mi
42Ongaro & Sons864.9★ (762)5 mi
43Repipe Specialists of the Bay Area864.5★ (64)8 mi
44Fast Local Plumbers864.7★ (83)13 mi
45Big Smile Plumbing865.0★ (91)19 mi
46Precision San Francisco Plumbing865.0★ (32)11 mi
47Fast Response Plumbing & Rooter865.0★ (90)19 mi
48AR Plumbing Inc865.0★ (8)3 mi
49Driptech Plumbing Solutions864.6★ (9)2 mi
50Plumbing & Rooter Service864.9★ (61)15 mi

How we ranked emergency plumbers in Mill Valley

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in Mill Valley: questions

Which plumbers in Mill Valley are open 24/7?

25 on this list post 24/7 hours, including Discount Plumbing Rooter Services, EO Plumbing Service, Advanced Plumbing & Drain, Marin Roto-Rooter and Discount Plumbing San Francisco.

Who is ranked #1 for emergency plumbing in Mill Valley, CA?

Discount Plumbing Rooter Services is #1, with a CR Score of 92 out of 100 on emergency weights.

How are emergency plumbers in Mill Valley ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Mill Valley

  1. October 2026: CR Scores recalculated for 431 plumbers serving Mill Valley.
  2. October 2026: 1 duplicate listing merged.

More emergency and plumbing pages