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ContractorsRanked

Best Plumbers in Foster City, CA (2026)

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

The short answer

  1. 1

    Best overall in Foster City: Handy Plumbing Man, LLC, CR Score 94/100; 4.9★ from 1,314 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Bell Plumbing, posts 24/7 hours; ranked #2 of 699.

  3. 5

    Most-reviewed: Discount Plumbing Rooter Services, 2,670 Google reviews at 4.9★, the most of 699 ranked; ranked #5.

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

699 Foster City plumbers are ranked here by CR Score, from 8 published factors. 271 are open 24/7, 515 open Saturdays and 390 open Sundays, based on posted hours. The median Google rating is 4.9★ across 699 rated businesses.

Top 10 plumbers in Foster City at a glance

Top 10 plumbers in Foster City at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Handy Plumbing Man, LLC944.9★ (1,314)San Carlos, 4 mi away24/7Overall
2Bell Plumbing934.9★ (658)San Carlos, 3 mi away24/7Emergencies
3Water Heater Specialists934.9★ (350)Foster City24/7—
4Bayshore Plumbers924.9★ (880)Redwood City, 7 mi away24/7—
5Discount Plumbing Rooter Services924.9★ (2,670)Daly City, 14 mi away24/7Most reviews
6Water Heaters Only, Inc925.0★ (402)Redwood City, 7 mi away24/7—
7Mr. Rooter Plumbing of The Oakland-Berkeley Area914.9★ (1,283)Oakland, 13 mi away24/7—
8Roto-Rooter Plumbing & Water Cleanup914.8★ (1,239)East Palo Alto, 10 mi away24/7—
9Shoreway Plumbing, Inc.914.9★ (253)Redwood City, 5 mi away24/7—
10Water Heaters Only, Inc914.9★ (531)Hayward, 10 mi away24/7—

The 699 best plumbers in Foster City, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

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

  2. #2 Bell Plumbing

    Based in San Carlos, 3 mi away

    93/100CR Score

    Ranked #2 because of its Google rating and availability: 4.9★ from 658 Google reviews, open 24/7.

    • 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, 7 mi away

    92/100CR Score

    Ranked #4 because of its Google rating and availability: 4.9★ from 880 Google reviews, open 24/7.

    • 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

  11. #11 SplashFix Plumbing

    Based in South San Francisco, 12 mi away

    90/100CR Score

    Ranked #11 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

  13. #13 Caccia Home Services

    Based in Burlingame, 6 mi away

    90/100CR Score

    Ranked #13 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

  15. #15 Roto-Rooter

    Based in Daly City, 11 mi away

    90/100CR 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

  17. #17 Plumbing Care Inc

    Based in San Ramon, 22 mi away

    90/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 1,948 Google reviews, open 24/7.

    • 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

  25. #25 Roto-Rooter

    Based in San Francisco, 15 mi away

    89/100CR Score

    Ranked #25 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

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

plumbers in Foster City, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Roto-Rooter Plumbing & Water Cleanup894.8★ (229)10 mi
27Discount Plumbing & Rooter Co.884.8★ (88)4 mi
28Mr. Rooter Plumbing of San Mateo County884.8★ (84)4 mi
29Pro Roto884.9★ (72)6 mi
30Genteel Plumbers884.8★ (345)13 mi
31Trinity Liquid Waste Services884.9★ (62)5 mi
32Hilltown Plumbing885.0★ (31)2 mi
33All Pro Plumbing and Rooter884.6★ (93)1 mi
34Fast Response Plumbing & Rooter885.0★ (90)10 mi
35Michael Gardner Plumbing885.0★ (94)11 mi
36Natan Plumbing885.0★ (59)7 mi
37Payless Water Heaters and Tankless Water Heaters884.8★ (353)14 mi
38Roto-Rooter Plumbing & Water Cleanup885.0★ (191)16 mi
39Tremors Plumbing And Sewer Inc.885.0★ (29)2 mi
40Bay Water Plumbing & Water Systems884.9★ (185)13 mi
41Mike Counsil Plumbing and Rooter884.8★ (1,482)23 mi
42Peninsula Plumbing Solutions Inc885.0★ (30)3 mi
43Pipex Plumbing884.9★ (105)10 mi
44Roto-Rooter Plumbing & Water Cleanup884.8★ (781)19 mi
45J&K Emergency Plumbing Services884.9★ (55)6 mi
46Roto-Rooter Plumbing & Water Cleanup884.8★ (1,039)21 mi
47Smart Plumbers Inc. DBA Smart Plumbers & Rooters884.8★ (1,167)22 mi
48ASAP Plumbing Pros885.0★ (251)19 mi
49Plumbing Point, Inc.885.0★ (258)19 mi
50Big Blue Plumbing884.7★ (575)15 mi

Also serving Foster City

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 Foster City
BusinessGoogle ratingDistance
Airborne Plumbing5.0★ (2)11 mi
ASAP Plumbing & Water Heater3.0★ (2)13 mi
Big Brothers Plumbing Inc5.0★ (150)14 mi
City Wide Pro Plumbing5.0★ (2)12 mi
CPR Plumbing5.0★ (2)5 mi
Gafi Builders and Design, Inc.5.0★ (2)9 mi
Happy To Fix It Handyman4.7★ (19)In Foster City
JK Plumbing4.9★ (110)6 mi
Kratzer Plumbing Abco Rooter5.0★ (2)3 mi
Mr. Rooter Plumbing of San Francisco4.8★ (261)15 mi
NorCal Natural Habitats5.0★ (2)9 mi
Oro Pro Plumbing Inc.4.7★ (84)5 mi
Prestige Plumbing Solutions5.0★ (2)11 mi
Pumps & Works5.0★ (2)6 mi
Ron Williams Plumbing & Heating4.0★ (2)5 mi
Rooter Tec Plumbing and Drain5.0★ (2)11 mi
South Bay Water Filters5.0★ (2)12 mi
Total Works General Contractors5.0★ (2)12 mi
VRG Plumbing3.0★ (2)9 mi
Water Heaters Only5.0★ (2)12 mi

How much do plumbers cost in Foster City?

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

How much do plumbers cost in Foster City?
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 Foster City plumbers

We scored 699 Foster City plumbers on 8 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. Unknown factors are left out of the score, 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 Foster City data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Foster City: frequently asked questions

Who is the best plumber in Foster City?

By CR Score, the highest-ranked plumber in Foster City, CA is Handy Plumbing Man, LLC with a CR Score of 94/100. It has 4.9★ from 1,314 Google reviews. It is open 24/7. Bell Plumbing (#2) and Water Heater Specialists (#3) follow. We ranked 699 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Foster City?

ContractorsRanked ranks 699 plumbers serving Foster City, CA. 1 of them is based in Foster City; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Foster City are open 24/7?

271 ranked plumbers in Foster City post 24/7 hours. The highest-ranked are Handy Plumbing Man, LLC (#1), Bell Plumbing (#2) and Water Heater Specialists (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Foster City work on weekends?

515 of 699 ranked plumbers post Saturday hours and 390 post Sunday hours. The highest-ranked open Saturdays are Handy Plumbing Man, LLC (#1), Bell Plumbing (#2) and Water Heater Specialists (#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 Foster City?

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

What Google rating do Foster City plumbers have?

The median Google rating among 699 rated plumbers in Foster City is 4.9★, with a median of 23 reviews. Discount Plumbing Rooter Services has the most, 2,670 reviews, and ranks #5. 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 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Foster City

  1. October 2026: CR Scores recalculated for 699 plumbers serving Foster City.
  2. October 2026: 11 duplicate listings merged.

More plumbers and Foster City pages

Other trades in Foster City