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ContractorsRanked

Best Plumbers in Ashland, CA (2026)

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

The short answer

  1. 1

    Best overall in Ashland: Mr. Rooter Plumbing of The Oakland-Berkeley Area, CR Score 93/100; 4.9★ from 1,283 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Plumbing Care Inc, posts 24/7 hours; ranked #2 of 811.

  3. 23

    Most-reviewed: Jazz Heating, Air Conditioning and Plumbing, 3,438 Google reviews at 4.9★, the most of 811 ranked; ranked #23.

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

811 Ashland plumbers are ranked here by CR Score, from 8 published factors. 301 are open 24/7, 579 open Saturdays and 430 open Sundays, based on posted hours. The median Google rating is 4.9★ across 811 rated businesses.

Top 10 plumbers in Ashland at a glance

Top 10 plumbers in Ashland at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Mr. Rooter Plumbing of The Oakland-Berkeley Area934.9★ (1,283)Oakland, 5 mi away24/7Overall
2Plumbing Care Inc924.9★ (1,948)San Ramon, 9 mi away24/7Emergencies
3Water Heaters Only, Inc924.9★ (531)Hayward, 4 mi away24/7—
4Discount Plumbing Rooter Services904.9★ (2,670)Daly City, 19 mi away24/7—
5Handy Plumbing Man, LLC904.9★ (1,314)San Carlos, 15 mi away24/7—
6Michael Gardner Plumbing905.0★ (94)San Lorenzo, 2 mi away24/7—
7Monarch Plumbing and Rooter Inc904.9★ (248)Hayward, 6 mi away24/7—
8Bayshore Plumbers904.9★ (880)Redwood City, 15 mi away24/7—
9CastleWorks Water Heaters904.9★ (453)Dublin, 11 mi away24/7—
10Roto-Rooter Plumbing & Water Cleanup904.9★ (339)San Ramon, 10 mi away24/7—

The 811 best plumbers in Ashland, 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 Plumbing Care Inc

    Based in San Ramon, 9 mi away

    92/100CR Score

    Ranked #2 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

  8. #8 Bayshore Plumbers

    Based in Redwood City, 15 mi away

    90/100CR Score

    Ranked #8 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

  12. #12 Bell Plumbing

    Based in San Carlos, 15 mi away

    89/100CR Score

    Ranked #12 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

  25. #25 Roto-Rooter

    Based in Daly City, 15 mi away

    88/100CR Score

    Ranked #25 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

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

plumbers in Ashland, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Water Heaters Only, Inc885.0★ (514)20 mi
27Water Heaters Only, Inc885.0★ (187)13 mi
28In Demand Plumbing884.9★ (1,464)23 mi
29Payless Water Heaters and Tankless Water Heaters884.8★ (353)12 mi
30Bay Water Plumbing & Water Systems884.9★ (185)11 mi
31SplashFix Plumbing885.0★ (375)19 mi
32Advanced Plumbing & Drain884.9★ (666)19 mi
3324/7 Rooter & Plumbing884.7★ (848)15 mi
34Big Smile Plumbing885.0★ (91)10 mi
35Roto-Rooter Plumbing & Water Cleanup884.8★ (1,594)21 mi
36USA Leak Detector and Plumbing884.7★ (94)3 mi
37Pipe Spy, Inc.884.9★ (182)13 mi
38Roto-Rooter884.9★ (391)17 mi
39Roto-Rooter Plumbing & Water Cleanup884.9★ (222)14 mi
40Roto-Rooter Plumbing & Water Cleanup885.0★ (510)7 mi
41Shoreway Plumbing, Inc.884.9★ (253)15 mi
42URV Projects Plumbing Service884.9★ (183)13 mi
43Genteel Plumbers874.8★ (345)15 mi
44Roto-Rooter Plumbing & Water Cleanup874.8★ (2,560)12 mi
45Caccia Home Services874.9★ (1,910)16 mi
46Dr. Drain Plumbing and Rooter875.0★ (200)18 mi
47Gladiator Rooter and Plumbing874.6★ (90)4 mi
48Hayward Plumber By Friendly Plumbers874.5★ (120)2 mi
49Rooter Hero Plumbing & Air of Martinez874.8★ (1,092)22 mi
50Mike Counsil Plumbing and Rooter874.8★ (1,482)24 mi

Also serving Ashland

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 Ashland
BusinessGoogle ratingDistance
1320 Water HeatersIn Ashland
Airborne Plumbing5.0★ (2)3 mi
American Water Heater Services5.0★ (1)In Ashland
ASAP Plumbing & Water Heater1.0★ (2)2 mi
Ayala’s Plumbing Solutions5.0★ (2)In Ashland
Blu Pipe Plumbing5.0★ (1)In Ashland
Discount Bay Plumbing5.0★ (1)In Ashland
Elias Lambros Plumbing5.0★ (1)In Ashland
Finch Plumbing And SewerIn Ashland
Fusion Rooter Inc5.0★ (1)In Ashland
General plumbing Repairs/專業維修In Ashland
JNJ Rooter and Plumbing LLC5.0★ (261)16 mi
Pantoja's HandymanIn Ashland
Paul's MaintenanceIn Ashland
pipe rooterIn Ashland
Plumbing The Bay4.7★ (148)3 mi
R.B. Travis4.8★ (824)21 mi
Village plumbing LLCIn Ashland
Water Heaters Only5.0★ (2)2 mi
Water Works Plumbing Co. Inc.5.0★ (2)In Ashland

How much do plumbers cost in Ashland?

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

How much do plumbers cost in Ashland?
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 Ashland plumbers

We scored 811 Ashland 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 Ashland 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 Ashland: frequently asked questions

Who is the best plumber in Ashland?

By CR Score, the highest-ranked plumber in Ashland, CA is Mr. Rooter Plumbing of The Oakland-Berkeley Area with a CR Score of 93/100. It has 4.9★ from 1,283 Google reviews. It is open 24/7. Plumbing Care Inc (#2) and Water Heaters Only, Inc (#3) follow. We ranked 811 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Ashland?

ContractorsRanked ranks 811 plumbers serving Ashland, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Ashland are open 24/7?

301 ranked plumbers in Ashland post 24/7 hours. The highest-ranked are Mr. Rooter Plumbing of The Oakland-Berkeley Area (#1), Plumbing Care Inc (#2) and Water Heaters Only, Inc (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Ashland work on weekends?

579 of 811 ranked plumbers post Saturday hours and 430 post Sunday hours. The highest-ranked open Saturdays are Mr. Rooter Plumbing of The Oakland-Berkeley Area (#1), Plumbing Care Inc (#2) and Water Heaters Only, Inc (#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 Ashland?

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

What Google rating do Ashland plumbers have?

The median Google rating among 811 rated plumbers in Ashland is 4.9★, with a median of 23 reviews. Jazz Heating, Air Conditioning and Plumbing has the most, 3,438 reviews, and ranks #23. 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 Ashland

  1. October 2026: CR Scores recalculated for 811 plumbers serving Ashland.
  2. October 2026: 12 duplicate listings merged.

More plumbers and Ashland pages

Other trades in Ashland