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ContractorsRanked

Best Plumbers in San Martin, CA (2026)

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

The short answer

  1. 1

    Best overall in San Martin: Roto-Rooter Plumbing & Water Cleanup, CR Score 91/100; 4.8★ from 1,657 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Rooter Hero Plumbing & Air of San Jose, posts 24/7 hours; ranked #2 of 255.

  3. 2

    Most-reviewed: Rooter Hero Plumbing & Air of San Jose, 3,216 Google reviews at 4.8★, the most of 255 ranked; ranked #2.

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

255 San Martin plumbers are ranked here by CR Score, from 8 published factors. 100 are open 24/7, 190 open Saturdays and 141 open Sundays, based on posted hours. The median Google rating is 4.9★ across 255 rated businesses.

Top 10 plumbers in San Martin at a glance

Top 10 plumbers in San Martin at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup914.8★ (1,657)San Jose, 14 mi away24/7Overall
2Rooter Hero Plumbing & Air of San Jose904.8★ (3,216)San Jose, 19 mi away24/7Emergencies, Most reviews
3Plumbtree Plumbing & Rooter904.9★ (763)San Jose, 14 mi away24/7—
4Bailey Plumbing894.6★ (328)Morgan Hill, 3 mi away24/7—
5MG PLUMBING & ROOTER895.0★ (82)Gilroy, 6 mi away24/7—
6Pro Plumbing Service895.0★ (185)Hollister, 12 mi away24/7—
7Advanced Repipe Specialist885.0★ (50)Gilroy, 5 mi away24/7—
8Expert Plumbing & Water Heaters, Inc.884.9★ (650)Soquel, 21 mi away24/7—
9Brad's Plumbing884.9★ (249)Prunedale, 15 mi away24/7—
10Bigbear plumbing dba884.8★ (73)Gilroy, 6 mi away24/7—

The 255 best plumbers in San Martin, 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.

  4. #4 Bailey Plumbing

    Based in Morgan Hill, 3 mi away

    89/100CR Score

    Ranked #4 because of its Google rating and availability: 4.6★ from 328 Google reviews, open 24/7.

    • 4.6★ from 328 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    16825 Monterey Rd, Morgan Hill, CA 95037
    View profile for Bailey Plumbing(408) 701-7037

  9. #9 Brad's Plumbing

    Based in Prunedale, 15 mi away

    88/100CR Score

    Ranked #9 because of its Google rating and availability: 4.9★ from 249 Google reviews, open 24/7.

    • 4.9★ from 249 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    17080 Wallace Ct, Aromas, CA 95004
    View profile for Brad's Plumbing(831) 318-3484

  11. #11 Drain Doctor

    Based in San Jose, 25 mi away

    88/100CR Score

    Ranked #11 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

  14. #14 Gogo Rooter

    Based in San Jose, 21 mi away

    88/100CR Score

    Ranked #14 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

  24. #24 Elite Rooter

    Based in San Jose, 25 mi away

    87/100CR Score

    Ranked #24 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

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

plumbers in San Martin, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Dyer Demand Plumbing865.0★ (30)9 mi
27Allstar Plumbing864.8★ (297)21 mi
28Lujan’s Plumbing & Rooter865.0★ (14)4 mi
29Redwood Pipe and Drain Inc.864.9★ (274)23 mi
30Roto-Rooter Plumbing & Water Cleanup864.9★ (175)21 mi
31JB Rooter and Plumbing Inc865.0★ (97)20 mi
32Maverick Plumbing Technicians Inc.865.0★ (24)10 mi
33CPI Service, Plumbing, Heating & Cooling854.9★ (108)19 mi
34Dialed In Plumbing854.9★ (32)12 mi
35Top Hat Plumbing, Inc855.0★ (7)3 mi
36PlumbRight Repipe & Rooter855.0★ (4)In San Martin
37Plumbear854.9★ (18)9 mi
38Venture Plumbing, Inc.854.9★ (118)21 mi
39Brad's Plumbers of Santa Cruz854.9★ (140)23 mi
40Gladiator Repipe855.0★ (27)13 mi
41Water Heater Specialists854.9★ (150)23 mi
42Duncan Plumbing854.9★ (716)22 mi
43Surgepro Plumbing and Drain855.0★ (76)22 mi
44Universal Plumbing & Rooter855.0★ (59)20 mi
45Eco-Flow Plumbing Inc.854.9★ (135)24 mi
46Bailey Plumbing854.9★ (109)23 mi
47Bellows Plumbing, Heating, Cooling & Electrical854.8★ (1,428)21 mi
48Mario's Plumbing Service & Repair845.0★ (56)21 mi
49Miracle Plumbing Inc.844.7★ (189)21 mi
50Fuse HVAC, Refrigeration, Electrical & Plumbing844.9★ (560)19 mi

Also serving San Martin

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 San Martin
BusinessGoogle ratingDistance
24/7 Plumber - Shark Plumbing Services4.9★ (93)23 mi
49er Rooter & Drain Service4.0★ (2)22 mi
Alleluia Plumbing5.0★ (2)17 mi
Aptos Local Plumbing3.0★ (2)19 mi
Bigg Tree Rooter & Plumbing4.9★ (274)22 mi
Burkhardt Construction3.0★ (2)22 mi
Calwaters Plumbing5.0★ (2)18 mi
Cardinal Plumbing Solutions5.0★ (2)19 mi
Castle Pumping and Plumbing Services5.0★ (27)9 mi
Danny's Plumbing & Drain Specialist Inc4.0★ (2)15 mi
Down Under Plumbing Services Inc5.0★ (2)21 mi
Handyman Plumbers Sewer & Drain Cleaning5.0★ (2)18 mi
Homebodies - Total Home Repair5.0★ (2)19 mi
Irish Excavation3.0★ (2)3 mi
Maravilla Plumbing5.0★ (2)14 mi
Mavericks Backflow & Plumbing, LLCIn San Martin
Nor-Cal Plumbing5.0★ (2)21 mi
trenchless Los Gatos ca5.0★ (2)22 mi
Triumph Plumbing Inc5.0★ (2)14 mi
Willis Plumbing5.0★ (2)9 mi

How much do plumbers cost in San Martin?

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

How much do plumbers cost in San Martin?
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 San Martin plumbers

We scored 255 San Martin 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 San Martin 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 San Martin: frequently asked questions

Who is the best plumber in San Martin?

By CR Score, the highest-ranked plumber in San Martin, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 91/100. It has 4.8★ from 1,657 Google reviews. It is open 24/7. Rooter Hero Plumbing & Air of San Jose (#2) and Plumbtree Plumbing & Rooter (#3) follow. We ranked 255 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in San Martin?

ContractorsRanked ranks 255 plumbers serving San Martin, CA. 1 of them is based in San Martin; 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 San Martin are open 24/7?

100 ranked plumbers in San Martin post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Rooter Hero Plumbing & Air of San Jose (#2) and Plumbtree Plumbing & Rooter (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in San Martin work on weekends?

190 of 255 ranked plumbers post Saturday hours and 141 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Rooter Hero Plumbing & Air of San Jose (#2) and Plumbtree Plumbing & Rooter (#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 San Martin?

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

What Google rating do San Martin plumbers have?

The median Google rating among 255 rated plumbers in San Martin is 4.9★, with a median of 24 reviews. Rooter Hero Plumbing & Air of San Jose has the most, 3,216 reviews, and ranks #2. 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 San Martin

  1. October 2026: CR Scores recalculated for 255 plumbers serving San Martin.
  2. October 2026: 5 duplicate listings merged.

More plumbers and San Martin pages

Other trades in San Martin