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ContractorsRanked

Best Plumbers in Barstow, CA (2026)

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

The short answer

  1. 1

    Best overall in Barstow: Heart Plumbing, CR Score 90/100; 4.4★ from 127 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Discount Plumbing, posts 24/7 hours; ranked #2 of 6.

  3. 5

    Most-reviewed: Clemmer Services, 581 Google reviews at 4.9★, the most of 6 ranked; ranked #5.

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

6 Barstow plumbers are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 5.0★ across 6 rated businesses.

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

Top 6 plumbers in Barstow at a glance

Top 6 plumbers in Barstow at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Heart Plumbing904.4★ (127)Barstow24/7Overall
2Discount Plumbing844.9★ (37)Adelanto, 21 mi away24/7Emergencies
3Zeb's Plumbing, Inc.835.0★ (288)Adelanto, 24 mi awaySat · Evenings—
4Red Rocket Plumbing825.0★ (159)Adelanto, 21 mi away24/7—
5Clemmer Services794.9★ (581)Barstow—Most reviews
6JANS DHA Inc655.0★ (13)Adelanto, 24 mi away——

The 6 best plumbers in Barstow, 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.

  1. Ranked #1 in Barstow

    #1 Heart Plumbing

    Based in Barstow

    90/100CR Score

    Ranked #1 because of its Google rating and availability: 4.4★ from 127 Google reviews, open 24/7.

    • 4.4★ from 127 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Barstow, CA 92312
    View profile for Heart Plumbing(760) 252-3793

  4. #4 Red Rocket Plumbing

    Based in Adelanto, 21 mi away

    82/100CR Score

    Ranked #4 because of its Google rating and trade focus: 5.0★ from 159 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 159 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    15065 Vista Rd #8, Helendale, CA 92342
    View profile for Red Rocket Plumbing(760) 530-3559

  5. #5 Clemmer Services

    Based in Barstow

    79/100CR Score

    Ranked #5 because of its Google rating and review volume: 4.9★ from 581 Google reviews, the most Google reviews on this list (581).

    • 4.9★ from 581 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    200 N 2nd Ave, Barstow, CA 92311
    View profile for Clemmer Services(760) 678-7967

  6. #6 JANS DHA Inc

    Based in Adelanto, 24 mi away

    65/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    View profile for JANS DHA Inc(760) 669-3368

How much do plumbers cost in Barstow?

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

How much do plumbers cost in Barstow?
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 Barstow plumbers

We scored 6 Barstow 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 Barstow 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 Barstow: frequently asked questions

Who is the best plumber in Barstow?

By CR Score, the highest-ranked plumber in Barstow, CA is Heart Plumbing with a CR Score of 90/100. It has 4.4★ from 127 Google reviews. It is open 24/7. Discount Plumbing (#2) and Zeb's Plumbing, Inc. (#3) follow. We ranked 6 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Barstow?

ContractorsRanked ranks 6 plumbers serving Barstow, CA. 2 of them are based in Barstow; the rest serve it from nearby towns. Counts are as of October 2026.

Which plumbers in Barstow are open 24/7?

3 ranked plumbers in Barstow post 24/7 hours. The highest-ranked are Heart Plumbing (#1), Discount Plumbing (#2) and Red Rocket Plumbing (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Barstow work on weekends?

3 of 6 ranked plumbers post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Heart Plumbing (#1), Discount Plumbing (#2) and Zeb's Plumbing, 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 Barstow?

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

What Google rating do Barstow plumbers have?

The median Google rating among 6 rated plumbers in Barstow is 5.0★, with a median of 143 reviews. Clemmer Services has the most, 581 reviews, and ranks #5. 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 Barstow

  1. October 2026: CR Scores recalculated for 6 plumbers serving Barstow.

More plumbers and Barstow pages