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ContractorsRanked

Best Plumbers in Pittsburg, CA (2026)

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

The short answer

  1. 1

    Best overall in Pittsburg: In Demand Plumbing, CR Score 93/100; 4.9★ from 1,464 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Rooter Hero Plumbing & Air, posts 24/7 hours; ranked #2 of 380.

  3. 19

    Most-reviewed: Service Champions, 5,220 Google reviews at 4.9★, the most of 380 ranked; ranked #19.

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

380 Pittsburg plumbers are ranked here by CR Score, from 8 published factors. 120 are open 24/7, 255 open Saturdays and 169 open Sundays, based on posted hours. The median Google rating is 4.9★ across 380 rated businesses.

Most of this list also appears on the Plumbers in Concord ranking. See Plumbers in Concord

Top 10 plumbers in Pittsburg at a glance

Top 10 plumbers in Pittsburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1In Demand Plumbing934.9★ (1,464)Antioch, 5 mi away24/7Overall
2Rooter Hero Plumbing & Air924.8★ (1,291)Antioch, 5 mi away24/7Emergencies
3Water Heaters Only, Inc915.0★ (514)Concord, 10 mi away24/7—
4Service Pros Plumbers, Inc.915.0★ (499)Concord, 10 mi away24/7—
5Service Pros Plumbers, Inc.904.8★ (427)Antioch, 5 mi away24/7—
6Plumbing Care Inc904.9★ (1,948)San Ramon, 18 mi away24/7—
7Bay Area Plumbing BAP Inc.905.0★ (244)Concord, 9 mi away24/7—
8Rooter Hero Plumbing & Air of Martinez904.8★ (1,092)Martinez, 13 mi away24/7—
9Stewart Heating, Plumbing and Air Conditioning904.9★ (851)Pittsburg24/7—
10Phast rooter & plumbing895.0★ (127)Concord, 7 mi away24/7—

The 380 best plumbers in Pittsburg, 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 Plumbing Care Inc

    Based in San Ramon, 18 mi away

    90/100CR Score

    Ranked #6 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

  13. #13 Oak Plumbing

    Based in Pleasant Hill, 11 mi away

    87/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 80 Google reviews, open 24/7.

    • 5.0★ from 80 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3478 Buskirk Ave Suite 49, Pleasant Hill, CA 94523
    View profile for Oak Plumbing(925) 230-4324

  14. #14 Flow Pro Plumbing

    Based in Brentwood, 12 mi away

    87/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.9★ from 879 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 879 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat 10 AM–6 PM · Sun 8 AM–6 PM
    Address
    103 Technology Ct Suite H, Brentwood, CA 94513
    View profile for Flow Pro Plumbing(925) 435-1081

  19. #19 Service Champions

    Based in Martinez, 11 mi away

    87/100CR Score

    Ranked #19 because of its Google rating and review volume: 4.9★ from 5,220 Google reviews, the most Google reviews on this list (5,220).

    • 4.9★ from 5,220 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    261 Arthur Rd, Martinez, CA 94553
    View profile for Service Champions(925) 281-0532

  22. #22 R.B. Travis

    Based in Livermore, 24 mi away

    86/100CR Score

    Ranked #22 because of its Google rating and availability: 4.8★ from 824 Google reviews, open 24/7.

    • 4.8★ from 824 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4935 Southfront Rd A, Livermore, CA 94551
    View profile for R.B. Travis(925) 369-5438

  23. #23 A1 Phoenix Plumbing

    Based in Pittsburg

    86/100CR Score

    Ranked #23 because of its Google rating and trade focus: 4.9★ from 801 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 801 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–1 PM · Sun closed
    Address
    981 Garcia Ave Suite B, Pittsburg, CA 94565
    View profile for A1 Phoenix Plumbing(925) 756-5598

Plumbers ranked #26 to #30

#1 to #25 are shown in full above. Here are #26 to #30, in CR Score order; each links to its profile. We publish the top 30 of 380 ranked plumbers here; the rest are on their profiles.

plumbers in Pittsburg, ranks 26 to 30
RankBusinessCR ScoreGoogle ratingDistance
26J&M Contra Costa Rooter and Plumbing864.8★ (101)14 mi
27Reliable Water Heaters865.0★ (21)8 mi
30Mr. Rooter Plumbing of The Tri-Valley854.8★ (271)21 mi

How much do plumbers cost in Pittsburg?

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

How much do plumbers cost in Pittsburg?
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 Pittsburg plumbers

We scored 380 Pittsburg 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 Pittsburg 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 Pittsburg: frequently asked questions

Who is the best plumber in Pittsburg?

By CR Score, the highest-ranked plumber in Pittsburg, CA is In Demand Plumbing with a CR Score of 93/100. It has 4.9★ from 1,464 Google reviews. It is open 24/7. Rooter Hero Plumbing & Air (#2) and Water Heaters Only, Inc (#3) follow. We ranked 380 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Pittsburg?

ContractorsRanked ranks 380 plumbers serving Pittsburg, CA. 3 of them are based in Pittsburg; the rest serve it from nearby towns. Counts are as of October 2026.

Which plumbers in Pittsburg are open 24/7?

120 ranked plumbers in Pittsburg post 24/7 hours. The highest-ranked are In Demand Plumbing (#1), Rooter Hero Plumbing & Air (#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 Pittsburg work on weekends?

255 of 380 ranked plumbers post Saturday hours and 169 post Sunday hours. The highest-ranked open Saturdays are In Demand Plumbing (#1), Rooter Hero Plumbing & Air (#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 Pittsburg?

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

What Google rating do Pittsburg plumbers have?

The median Google rating among 380 rated plumbers in Pittsburg is 4.9★, with a median of 21 reviews. Service Champions has the most, 5,220 reviews, and ranks #19. 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 Pittsburg

  1. October 2026: CR Scores recalculated for 380 plumbers serving Pittsburg.
  2. October 2026: 3 duplicate listings merged.

More plumbers and Pittsburg pages

Other trades in Pittsburg