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Emergency Plumbers in Larkspur, CA (2026)

Top 50 of 435 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 Larkspur: 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 Larkspur at a glance

Top emergency plumbers in Larkspur at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Discount Plumbing Rooter Services644.9★ (2,670)Daly City, 18 mi away24/7
2Marin Roto-Rooter644.9★ (1,033)Novato, 12 mi away24/7
3EO Plumbing Service634.9★ (171)Albany, 2 mi away24/7
4Advanced Plumbing & Drain634.9★ (666)San Francisco, 11 mi away24/7
5Local Plumbing625.0★ (87)San Rafael, 2 mi away24/7
6Discount Plumbing San Francisco625.0★ (465)San Francisco, 14 mi away24/7
7Jacob & Sons Plumbing624.9★ (75)San Anselmo, 3 mi away24/7
8Chosen Rooter & Plumbing Inc.624.8★ (297)San Francisco, 11 mi away24/7
924/7 Rooter & Plumbing614.7★ (848)San Francisco, 17 mi away24/7
10Roto-Rooter614.9★ (391)San Francisco, 15 mi away24/7

Call an emergency plumber in Larkspur 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 Larkspur, 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 435 is on the plumbers page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Marin Roto-Rooter

    Based in Novato, 12 mi away

    64/100CR Score

    Ranked #2 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

  5. #5 Local Plumbing

    Based in San Rafael, 2 mi away

    62/100CR Score

    Ranked #5 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

  10. #10 Roto-Rooter

    Based in San Francisco, 15 mi away

    61/100CR Score

    Ranked #10 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

  15. #15 Big Blue Plumbing

    Based in Alameda, 18 mi away

    61/100CR Score

    Ranked #15 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

  17. #17 Genteel Plumbers

    Based in San Francisco, 17 mi away

    60/100CR 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

  18. #18 SplashFix Plumbing

    Based in South San Francisco, 20 mi away

    60/100CR Score

    Ranked #18 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

  21. #21 Roto-Rooter

    Based in Daly City, 19 mi away

    60/100CR Score

    Ranked #21 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

  23. #23 O'Grady Plumbing

    Based in San Francisco, 15 mi away

    60/100CR Score

    Ranked #23 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

  24. #24 Isackson Plumbing

    Based in San Francisco, 11 mi away

    60/100CR Score

    Ranked #24 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

Top 50 of 435 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 Larkspur, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Pipe Spy, Inc.604.9★ (182)16 mi
27Roto-Rooter Plumbing & Water Cleanup605.0★ (191)18 mi
28Roto-Rooter Plumbing & Water Cleanup604.8★ (2,560)17 mi
29Fast Local Plumbers604.7★ (83)11 mi
30Heise's Plumbing604.9★ (1,454)15 mi
31GTO. Plumbing and rooter594.9★ (59)11 mi
32The Plumbing Two594.9★ (57)11 mi
33Works Plumbing Repair & Drain Cleaning594.6★ (99)11 mi
34Bellows Plumbing, Heating, Cooling & Electrical594.9★ (480)10 mi
35Local Plumbing595.0★ (211)6 mi
36Ongaro & Sons594.9★ (762)3 mi
37Repipe Specialists of the Bay Area594.5★ (64)9 mi
38PrimeFlow Plumbing San Pablo595.0★ (39)11 mi
39Cabrillo Plumbing, Heating & Air594.9★ (966)15 mi
40Nelson Family Plumbing & Water Heaters594.7★ (113)15 mi
41Big Brothers Plumbing Inc595.0★ (150)20 mi
42AR Plumbing Inc595.0★ (8)1 mi
43Hydro Plumbing & Rooter595.0★ (67)15 mi
44Cal-Delta Plumbing595.0★ (20)7 mi
45Roto-Rooter Plumbing & Water Cleanup594.8★ (313)9 mi
46Dr. Drain Plumbing and Rooter585.0★ (200)24 mi
47Big Smile Plumbing585.0★ (91)19 mi
48Precision San Francisco Plumbing585.0★ (32)12 mi
49Bay Ridge Plumbing INC.585.0★ (6)3 mi
50J.G. Plumbing585.0★ (13)7 mi

How we ranked emergency plumbers in Larkspur

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency plumbers in Larkspur: questions

Which plumbers in Larkspur are open 24/7?

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

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

Discount Plumbing Rooter Services is #1, with a CR Score of 64 out of 100 on emergency weights.

How are emergency plumbers in Larkspur ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. 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 Larkspur

  1. October 2026: CR Scores recalculated for 435 plumbers serving Larkspur.
  2. October 2026: 1 duplicate listing merged.

More emergency and plumbing pages