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ContractorsRanked

Best Plumbers in Alameda, CA (2026)

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

The short answer

  1. 1

    Best overall in Alameda: Mr. Rooter Plumbing of The Oakland-Berkeley Area, CR Score 65/100; 4.9★ from 1,283 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): ASAP Plumbing Pros, posts 24/7 hours; ranked #2 of 759.

  3. 26

    Most-reviewed: Albert Nahman Plumbing, Heating, and Cooling, 3,311 Google reviews at 4.7★, the most of 759 ranked; ranked #26.

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

759 Alameda plumbers are ranked here by CR Score, from ten published factors. 277 are open 24/7, 521 open Saturdays and 378 open Sundays, based on posted hours. The median Google rating is 4.9★ across 759 rated businesses.

Top 10 plumbers in Alameda at a glance

Top 10 plumbers in Alameda at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr. Rooter Plumbing of The Oakland-Berkeley Area654.9★ (1,283)Oakland, 4 mi away24/7Overall
2ASAP Plumbing Pros645.0★ (251)Alameda24/7Emergencies
3Discount Plumbing Rooter Services644.9★ (2,670)Daly City, 12 mi away24/7—
4Big Blue Plumbing644.7★ (575)Alameda24/7—
5Roto-Rooter Plumbing & Water Cleanup645.0★ (191)Alameda24/7—
6Plumbing Care Inc634.9★ (1,948)San Ramon, 15 mi away24/7—
7Discount Plumbing San Francisco635.0★ (465)San Francisco, 10 mi away24/7—
824/7 Rooter & Plumbing634.7★ (848)San Francisco, 7 mi away24/7—
9Advanced Plumbing & Drain634.9★ (666)San Francisco, 10 mi away24/7—
10Pipe Spy, Inc.624.9★ (182)Oakland, 4 mi away24/7—

The 759 best plumbers in Alameda, 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.

  4. #4 Big Blue Plumbing

    Based in Alameda

    64/100CR Score

    Ranked #4 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

  6. #6 Plumbing Care Inc

    Based in San Ramon, 15 mi away

    63/100CR Score

    Ranked #6 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

  10. #10 Pipe Spy, Inc.

    Based in Oakland, 4 mi away

    62/100CR Score

    Ranked #10 because of its Google rating and trade focus: 4.9★ from 182 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 182 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1108 26th St, Oakland, CA 94607
    View profile for Pipe Spy, Inc.(510) 465-3000

  12. #12 Roto-Rooter

    Based in San Francisco, 9 mi away

    62/100CR Score

    Ranked #12 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 Roto-Rooter

    Based in Daly City, 10 mi away

    62/100CR 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

  16. #16 Big Smile Plumbing

    Based in Oakland, 3 mi away

    62/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 91 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 91 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3115 Beaumont Ave, Oakland, CA 94602
    View profile for Big Smile Plumbing(510) 999-8855

  20. #20 Genteel Plumbers

    Based in San Francisco, 7 mi away

    62/100CR Score

    Ranked #20 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

  21. #21 Caccia Home Services

    Based in Burlingame, 13 mi away

    62/100CR Score

    Ranked #21 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

  23. #23 SplashFix Plumbing

    Based in South San Francisco, 13 mi away

    62/100CR Score

    Ranked #23 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

  25. #25 O'Grady Plumbing

    Based in San Francisco, 7 mi away

    61/100CR Score

    Ranked #25 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

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

plumbers in Alameda, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Albert Nahman Plumbing, Heating, and Cooling614.7★ (3,311)5 mi
27Mr. Rooter Plumbing of San Francisco614.8★ (261)8 mi
28Plumber | General Drain Experts & Leak Detection615.0★ (40)In Alameda
29Fast Water Heater Company614.9★ (1,240)14 mi
30Allen & Sons Plumbing614.8★ (137)5 mi
31Thomas & Sons Home Plumbing614.8★ (127)5 mi
32Service Pros Plumbers, Inc.615.0★ (499)18 mi
33Hilltown Plumbing615.0★ (31)In Alameda
34Water Heaters Only, Inc615.0★ (514)18 mi
35Bell Plumbing614.9★ (658)18 mi
36Rooter Hero Plumbing & Air of Martinez614.8★ (1,092)18 mi
37Water Heater Specialists614.9★ (350)14 mi
38Works Plumbing Repair & Drain Cleaning614.8★ (631)15 mi
39Bayshore Plumbers614.9★ (880)20 mi
40Wizard Plumbing and Drain604.8★ (1,648)16 mi
41Fast Response Plumbing & Rooter604.9★ (520)11 mi
42Hydro Plumbing & Rooter605.0★ (67)7 mi
43Michael Gardner Plumbing605.0★ (94)9 mi
44Dr. Drain Plumbing and Rooter605.0★ (200)15 mi
45Lifesaver Plumbing And Rooter605.0★ (88)9 mi
46Oakland Rooter Plumbing604.9★ (97)2 mi
47Roto-Rooter Plumbing & Water Cleanup604.8★ (1,239)22 mi
48Cabrillo Plumbing, Heating & Air604.9★ (966)8 mi
49Heise's Plumbing604.9★ (1,454)10 mi
50Roto-Rooter Plumbing & Water Cleanup604.9★ (339)17 mi

Also serving Alameda

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 Alameda
BusinessGoogle ratingDistance
Aggressive Plumbing & Handyman5.0★ (1)In Alameda
Bay Plumbing5.0★ (2)1 mi
Beyond Plumbing5.0★ (2)4 mi
Braco PlumbingIn Alameda
CastleWorks Water Heaters4.9★ (453)20 mi
Chosen Rooter & Plumbing Inc.4.8★ (297)9 mi
E Troupe & Sons ConstructionIn Alameda
Family Owned and OperatedIn Alameda
Gladiator Rooter and Plumbing4.6★ (90)6 mi
HTO Plumbing & Radiant5.0★ (1)In Alameda
Kingston Plumbing Company LLC5.0★ (1)In Alameda
Monarch Plumbing and Rooter Inc4.9★ (248)15 mi
Mr. Fix It Right Plumbing and RooterIn Alameda
Plumbing Plus5.0★ (1)In Alameda
Plumbing The Bay4.7★ (148)10 mi
Roto-Rooter Plumbing & Water Cleanup4.8★ (229)12 mi
Top Rated Plumbing & RemodelingIn Alameda
Total Works General Contractors5.0★ (2)5 mi
VRG Plumbing3.0★ (2)In Alameda
Wellman Plumbing5.0★ (1)In Alameda

How much do plumbers cost in Alameda?

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

How much do plumbers cost in Alameda?
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 Alameda plumbers

We scored 759 Alameda 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 Alameda 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 Alameda: frequently asked questions

Who is the best plumber in Alameda?

By CR Score, the highest-ranked plumber in Alameda, CA is Mr. Rooter Plumbing of The Oakland-Berkeley Area with a CR Score of 65/100. It has 4.9★ from 1,283 Google reviews. It is open 24/7. ASAP Plumbing Pros (#2) and Discount Plumbing Rooter Services (#3) follow. We ranked 759 plumbers on ten factors, last updated October 22, 2026.

How many plumbers are there in Alameda?

ContractorsRanked ranks 759 plumbers serving Alameda, CA. 9 of them are based in Alameda; 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 Alameda are open 24/7?

277 ranked plumbers in Alameda post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of The Oakland-Berkeley Area (#1), ASAP Plumbing Pros (#2) and Discount Plumbing Rooter Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Alameda work on weekends?

521 of 759 ranked plumbers post Saturday hours and 378 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of The Oakland-Berkeley Area (#1), ASAP Plumbing Pros (#2) and Discount Plumbing Rooter Services (#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 Alameda?

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

What Google rating do Alameda plumbers have?

The median Google rating among 759 rated plumbers in Alameda is 4.9★, with a median of 21 reviews. Albert Nahman Plumbing, Heating, and Cooling has the most, 3,311 reviews, and ranks #26. 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 Alameda

  1. October 2026: CR Scores recalculated for 759 plumbers serving Alameda.
  2. October 2026: 9 duplicate listings merged.

More plumbers and Alameda pages

Other trades in Alameda