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ContractorsRanked

Best Plumbers in Sunnyvale, CA (2026)

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

The short answer

  1. 1

    Best overall in Sunnyvale: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.8★ from 781 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 540.

  3. 33

    Most-reviewed: EJ Plumbing & Water Heaters, 3,719 Google reviews at 4.9★, the most of 540 ranked; ranked #33.

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

540 Sunnyvale plumbers are ranked here by CR Score, from 8 published factors. 228 are open 24/7, 430 open Saturdays and 340 open Sundays, based on posted hours. The median Google rating is 4.9★ across 540 rated businesses.

Top 10 plumbers in Sunnyvale at a glance

Top 10 plumbers in Sunnyvale at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup934.8★ (781)Sunnyvale24/7Overall
2Roto-Rooter Plumbing & Water Cleanup924.8★ (1,039)Santa Clara, 4 mi away24/7Emergencies
3Smart Plumbers Inc. DBA Smart Plumbers & Rooters924.8★ (1,167)Santa Clara, 5 mi away24/7—
4Mike Counsil Plumbing and Rooter924.8★ (1,482)San Jose, 7 mi away24/7—
5Rooter Hero Plumbing & Air of San Jose924.8★ (3,216)San Jose, 12 mi away24/7—
6Drain Doctor924.9★ (875)San Jose, 8 mi away24/7—
7MTZ Plumbing inc925.0★ (160)Sunnyvale24/7—
8Plumbing Point, Inc.925.0★ (258)Santa Clara, 4 mi away24/7—
9Superior Plumbing924.9★ (433)San Jose, 4 mi away24/7—
10Water Heaters Only, Inc914.9★ (552)San Jose, 7 mi away24/7—

The 540 best plumbers in Sunnyvale, 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.

  6. #6 Drain Doctor

    Based in San Jose, 8 mi away

    92/100CR Score

    Ranked #6 because of its Google rating and availability: 4.9★ from 875 Google reviews, open 24/7.

    • 4.9★ from 875 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1277 N 15th St, San Jose, CA 95112
    View profile for Drain Doctor(408) 281-0911

  8. #8 Plumbing Point, Inc.

    Based in Santa Clara, 4 mi away

    92/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 258 Google reviews, open 24/7.

    • 5.0★ from 258 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4701 Patrick Henry Dr Building 25 Suite 107, Santa Clara, CA 95054
    View profile for Plumbing Point, Inc.(408) 556-9132

  12. #12 Elite Rooter

    Based in San Jose, 8 mi away

    91/100CR Score

    Ranked #12 because of its Google rating and availability: 4.7★ from 1,298 Google reviews, open 24/7.

    • 4.7★ from 1,298 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    245 Kinney Dr, San Jose, CA 95112
    View profile for Elite Rooter(408) 827-1315

  13. #13 Bayshore Plumbers

    Based in Redwood City, 12 mi away

    91/100CR Score

    Ranked #13 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

  16. #16 Gogo Rooter

    Based in San Jose, 10 mi away

    90/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 459 Google reviews, open 24/7.

    • 4.9★ from 459 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    326 Phelan Ave #B, San Jose, CA 95112
    View profile for Gogo Rooter(408) 882-1576

  22. #22 Bell Plumbing

    Based in San Carlos, 16 mi away

    89/100CR Score

    Ranked #22 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

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

plumbers in Sunnyvale, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Fuse HVAC, Refrigeration, Electrical & Plumbing894.9★ (1,034)5 mi
27Water Heater Specialists894.9★ (150)8 mi
28Allstar Plumbing894.8★ (297)10 mi
29IRBIS Air Plumbing Electrical894.9★ (1,466)8 mi
30Payless Water Heaters and Tankless Water Heaters894.8★ (353)12 mi
31PlumRelief894.9★ (61)4 mi
32TRIO Heating, Air & Plumbing894.9★ (1,142)7 mi
33EJ Plumbing & Water Heaters894.9★ (3,719)5 mi
34Gladiator Repipe & Plumbing San Jose884.8★ (330)12 mi
35Shoreway Plumbing, Inc.884.9★ (253)14 mi
36Bay Water Plumbing & Water Systems884.9★ (185)12 mi
37Roto-Rooter Plumbing & Water Cleanup884.9★ (222)14 mi
38United Plumbing & Water Heaters885.0★ (129)In Sunnyvale
39Pipex Plumbing884.9★ (105)9 mi
40Surgepro Plumbing and Drain885.0★ (76)9 mi
41Venture Plumbing, Inc.884.9★ (118)10 mi
42Water Heaters Only, Inc884.9★ (531)20 mi
43Bailey Plumbing884.9★ (109)10 mi
44Commando Plumbing884.9★ (150)12 mi
45Active Plumbing and Rooter885.0★ (93)11 mi
46JetPipe Plumbing885.0★ (112)In Sunnyvale
47Benjamin Franklin Plumbing - San Jose884.8★ (788)7 mi
48Boxers Plumbing884.9★ (90)10 mi
49Flow City Plumbing885.0★ (42)6 mi
50Billy & Sons Plumbing884.8★ (111)3 mi

Also serving Sunnyvale

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 Sunnyvale
BusinessGoogle ratingDistance
24HR Aloha Plumbing4.0★ (2)4 mi
Alpha Omega Plumbing Inc5.0★ (2)9 mi
ASAP Plumbing & Water Heater3.0★ (2)5 mi
Bigg Tree Rooter & Plumbing4.9★ (274)9 mi
Ever Plumbing Garden and Landscaping5.0★ (2)4 mi
Frontline Plumbing5.0★ (2)3 mi
Gafi Builders and Design, Inc.5.0★ (2)10 mi
GIS2CSIn Sunnyvale
Miracle Plumbing Inc.4.7★ (189)10 mi
Mr. Drain Plumbing of Milpitas5.0★ (2)8 mi
Pressnell Plumbing Service5.0★ (2)9 mi
Prestige Plumbing Solutions5.0★ (2)8 mi
Rooter Solutions Plumbers4.9★ (157)7 mi
South Bay Water Filters5.0★ (2)8 mi
Spark Heating & Cooling5.0★ (10)In Sunnyvale
Steve K Plumbing3.0★ (2)2 mi
TKM Plumbing Inc3.0★ (2)2 mi
Trademark Plumbing Co.5.0★ (2)3 mi
trenchless Los Gatos ca5.0★ (2)9 mi
Washburn Construction Inc.5.0★ (1)In Sunnyvale

How much do plumbers cost in Sunnyvale?

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

How much do plumbers cost in Sunnyvale?
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 Sunnyvale plumbers

We scored 540 Sunnyvale 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 Sunnyvale 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 Sunnyvale: frequently asked questions

Who is the best plumber in Sunnyvale?

By CR Score, the highest-ranked plumber in Sunnyvale, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.8★ from 781 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#3) follow. We ranked 540 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Sunnyvale?

ContractorsRanked ranks 540 plumbers serving Sunnyvale, CA. 4 of them are based in Sunnyvale; 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 Sunnyvale are open 24/7?

228 ranked plumbers in Sunnyvale post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Sunnyvale work on weekends?

430 of 540 ranked plumbers post Saturday hours and 340 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Smart Plumbers Inc. DBA Smart Plumbers & Rooters (#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 Sunnyvale?

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

What Google rating do Sunnyvale plumbers have?

The median Google rating among 540 rated plumbers in Sunnyvale is 4.9★, with a median of 27 reviews. EJ Plumbing & Water Heaters has the most, 3,719 reviews, and ranks #33. 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 Sunnyvale

  1. October 2026: CR Scores recalculated for 540 plumbers serving Sunnyvale.
  2. October 2026: 10 duplicate listings merged.

More plumbers and Sunnyvale pages

Other trades in Sunnyvale