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ContractorsRanked

Best Plumbers in Carlsbad, CA (2026)

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

The short answer

  1. 1

    Best overall in Carlsbad: Proactive Plumbing, Inc., CR Score 94/100; 5.0★ from 493 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Sherlock Plumbing, Heating & Air, posts 24/7 hours; ranked #2 of 419.

  3. 14

    Most-reviewed: ARS / Rescue Rooter, 4,875 Google reviews at 4.7★, the most of 419 ranked; ranked #14.

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

419 Carlsbad plumbers are ranked here by CR Score, from 8 published factors. 203 are open 24/7, 316 open Saturdays and 243 open Sundays, based on posted hours. The median Google rating is 5.0★ across 419 rated businesses.

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

Top 10 plumbers in Carlsbad at a glance

Top 10 plumbers in Carlsbad at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Proactive Plumbing, Inc.945.0★ (493)Carlsbad24/7Overall
2Sherlock Plumbing, Heating & Air924.9★ (4,132)Carlsbad24/7Emergencies
3Rooter Hero Plumbing & Air914.9★ (208)Carlsbad24/7—
4Water Heaters Only, Inc915.0★ (366)Vista, 8 mi away24/7—
5John Stevenson Plumbing, Heating & Air Conditioning914.8★ (2,898)Carlsbad24/7—
6Water Wise Plumbing, Backflow & Drains914.9★ (415)Vista, 7 mi away24/7—
7MasterCraft Plumbers905.0★ (495)CarlsbadSat · Sun · Evenings—
8Aqua Bear Plumbing & Drain905.0★ (181)Vista, 7 mi away24/7—
9Mr. Rogers Neighborhood Plumbing905.0★ (889)Oceanside, 5 mi awaySat · Sun · Evenings—
10Pure Pro Plumbing904.8★ (507)Vista, 8 mi away24/7—

The 419 best plumbers in Carlsbad, 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.

  14. #14 ARS / Rescue Rooter

    Based in San Diego, 21 mi away

    89/100CR Score

    Ranked #14 because of its Google rating and review volume: 4.7★ from 4,875 Google reviews, the most Google reviews on this list (4,875).

    • 4.7★ from 4,875 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9895 Olson Dr Suite B, San Diego, CA 92121
    View profile for ARS / Rescue Rooter(858) 522-9751

  19. #19 HDPLUMBERS

    Based in Carlsbad

    89/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 181 Google reviews, listed on Google as “Plumber”.

    • 5.0★ from 181 Google reviews
    Hours
    Mon–Sat 5 AM–10 PM · Sun 7 AM–9 PM
    Address
    2561 Muirfields Dr, Carlsbad, CA 92009
    View profile for HDPLUMBERS(760) 388-9490

  24. #24 Brinks Services

    Based in Carlsbad

    88/100CR Score

    Ranked #24 because of its Google rating and availability: 4.6★ from 73 Google reviews, open 24/7.

    • 4.6★ from 73 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7668 El Camino Real, suite #104-442, Carlsbad, CA 92009
    View profile for Brinks Services(619) 304-2821

Plumbers ranked #26 to #48

#1 to #25 are shown in full above. Here are #26 to #48, in CR Score order; each links to its profile. We publish the top 48 of 419 ranked plumbers here; the rest are on their profiles.

plumbers in Carlsbad, ranks 26 to 48
RankBusinessCR ScoreGoogle ratingDistance
26AC Plumbing Construction884.9★ (189)In Carlsbad
28Roto-Rooter Plumbing & Water Cleanup884.4★ (1,158)8 mi
48Golden State Group, Inc875.0★ (63)In Carlsbad

Also serving Carlsbad

3 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 Carlsbad
BusinessGoogle ratingDistance
Clearwater Plumbing and Drains, Inc.5.0★ (468)4 mi
Drains4Less Plumbing4.9★ (219)8 mi
Willis Brothers Plumbing And Restoration5.0★ (141)8 mi

How much do plumbers cost in Carlsbad?

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

How much do plumbers cost in Carlsbad?
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 Carlsbad plumbers

We scored 419 Carlsbad 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 Carlsbad 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 Carlsbad: frequently asked questions

Who is the best plumber in Carlsbad?

By CR Score, the highest-ranked plumber in Carlsbad, CA is Proactive Plumbing, Inc. with a CR Score of 94/100. It has 5.0★ from 493 Google reviews. It is open 24/7. Sherlock Plumbing, Heating & Air (#2) and Rooter Hero Plumbing & Air (#3) follow. We ranked 419 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Carlsbad?

ContractorsRanked ranks 419 plumbers serving Carlsbad, CA. 14 of them are based in Carlsbad; the rest serve it from nearby towns. Another 3 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Carlsbad are open 24/7?

203 ranked plumbers in Carlsbad post 24/7 hours. The highest-ranked are Proactive Plumbing, Inc. (#1), Sherlock Plumbing, Heating & Air (#2) and Rooter Hero Plumbing & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Carlsbad work on weekends?

316 of 419 ranked plumbers post Saturday hours and 243 post Sunday hours. The highest-ranked open Saturdays are Proactive Plumbing, Inc. (#1), Sherlock Plumbing, Heating & Air (#2) and Rooter Hero Plumbing & Air (#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 Carlsbad?

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

What Google rating do Carlsbad plumbers have?

The median Google rating among 419 rated plumbers in Carlsbad is 5.0★, with a median of 24 reviews. ARS / Rescue Rooter has the most, 4,875 reviews, and ranks #14. 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 Carlsbad

  1. October 2026: CR Scores recalculated for 419 plumbers serving Carlsbad.
  2. October 2026: 2 duplicate listings merged.

More plumbers and Carlsbad pages

Other trades in Carlsbad