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Emergency Plumbers in San Mateo, CA (2026)

Top 50 of 616 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 San Mateo: Handy Plumbing Man, LLC, 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 San Mateo at a glance

Top emergency plumbers in San Mateo at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Handy Plumbing Man, LLC654.9★ (1,314)San Carlos, 6 mi away24/7
2Discount Plumbing Rooter Services654.9★ (2,670)Daly City, 11 mi away24/7
3Bell Plumbing644.9★ (658)San Carlos, 5 mi away24/7
4Bayshore Plumbers644.9★ (880)Redwood City, 9 mi away24/7
5Water Heater Specialists644.9★ (350)Foster City, 3 mi away24/7
6Mr. Rooter Plumbing of The Oakland-Berkeley Area634.9★ (1,283)Oakland, 14 mi away24/7
7Roto-Rooter Plumbing & Water Cleanup634.8★ (1,239)East Palo Alto, 12 mi away24/7
8Water Heaters Only, Inc635.0★ (402)Redwood City, 9 mi away24/7
9Roto-Rooter634.9★ (407)Daly City, 9 mi away24/7
10SplashFix Plumbing635.0★ (375)South San Francisco, 9 mi away24/7

Call an emergency plumber in San Mateo 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 San Mateo, 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 616 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.

  3. #3 Bell Plumbing

    Based in San Carlos, 5 mi away

    64/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.9★ from 658 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 658 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    611 Industrial Rd #8, San Carlos, CA 94070
    View profile for Bell Plumbing(650) 525-2273

  4. #4 Bayshore Plumbers

    Based in Redwood City, 9 mi away

    64/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 880 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 880 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3158 Rolison Rd, Redwood City, CA 94063
    View profile for Bayshore Plumbers(650) 523-7970

  9. #9 Roto-Rooter

    Based in Daly City, 9 mi away

    63/100CR Score

    Ranked #9 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

  10. #10 SplashFix Plumbing

    Based in South San Francisco, 9 mi away

    63/100CR Score

    Ranked #10 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

  18. #18 JK Plumbing

    Based in Burlingame, 3 mi away

    62/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 110 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 110 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1008 Edwards Rd, Burlingame, CA 94010
    View profile for JK Plumbing(415) 359-4588

  23. #23 Genteel Plumbers

    Based in San Francisco, 12 mi away

    62/100CR Score

    Ranked #23 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

  24. #24 Roto-Rooter

    Based in San Francisco, 14 mi away

    62/100CR Score

    Ranked #24 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

  25. #25 Plumbing Care Inc

    Based in San Ramon, 24 mi away

    61/100CR Score

    Ranked #25 because of its Google rating and trade focus: 4.9★ from 1,948 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 1,948 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2415 San Ramon Valley Blvd UNIT 312, San Ramon, CA 94583
    View profile for Plumbing Care Inc(925) 255-6352

Top 50 of 616 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 San Mateo, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Commando Plumbing614.9★ (150)9 mi
27Rooter San Mateo Plumbing Service615.0★ (33)In San Mateo
28Mr. Rooter Plumbing of San Mateo County614.8★ (84)5 mi
29Big Blue Plumbing614.7★ (575)15 mi
30Tremors Plumbing And Sewer Inc.615.0★ (29)In San Mateo
31Fast Response Plumbing & Rooter615.0★ (90)8 mi
32Bay Area Water Heaters, LLC614.8★ (51)3 mi
33Discount Plumbing & Rooter Co.614.8★ (88)6 mi
34Hilltown Plumbing615.0★ (31)2 mi
35Roto-Rooter Plumbing & Water Cleanup614.8★ (229)12 mi
36Mr. Rooter Plumbing of San Francisco614.8★ (261)13 mi
37ASAP Plumbing Pros615.0★ (251)16 mi
38In & Out Plumbing and Construction604.6★ (119)7 mi
39Monarch Plumbing and Rooter Inc604.9★ (248)15 mi
40O'Grady Plumbing604.9★ (173)13 mi
41Pro Roto604.9★ (72)8 mi
42Oro Pro Plumbing Inc.604.7★ (84)7 mi
43Payless Water Heaters and Tankless Water Heaters604.8★ (353)17 mi
44Roto-Rooter Plumbing & Water Cleanup605.0★ (191)16 mi
45J&K Emergency Plumbing Services604.9★ (55)7 mi
46Roto-Rooter Plumbing & Water Cleanup604.8★ (781)22 mi
47Roto-Rooter Plumbing & Water Cleanup604.8★ (1,039)24 mi
48Big Brothers Plumbing Inc605.0★ (150)15 mi
49Heise's Plumbing604.9★ (1,454)13 mi
50Natan Plumbing605.0★ (59)9 mi

How we ranked emergency plumbers in San Mateo

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 San Mateo: questions

Which plumbers in San Mateo are open 24/7?

25 on this list post 24/7 hours, including Handy Plumbing Man, LLC, Discount Plumbing Rooter Services, Bell Plumbing, Bayshore Plumbers and Water Heater Specialists.

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

Handy Plumbing Man, LLC is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency plumbers in San Mateo 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 San Mateo

  1. October 2026: CR Scores recalculated for 616 plumbers serving San Mateo.
  2. October 2026: 10 duplicate listings merged.

More emergency and plumbing pages