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ContractorsRanked

Best Plumbers in Pasadena, CA (2026)

1,616 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Pasadena: Roto-Rooter Plumbing & Water Cleanup, CR Score 93/100; 4.9★ from 736 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Merry Plumbing, posts 24/7 hours; ranked #2 of 1,616.

  3. 41

    Most-reviewed: Rooter Hero Plumbing & Air, 1,637 Google reviews at 4.9★, the most of 1,616 ranked; ranked #41.

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

1,616 Pasadena plumbers are ranked here by CR Score, from 8 published factors. 847 are open 24/7, 1,334 open Saturdays and 1,075 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,616 rated businesses.

Top 10 plumbers in Pasadena at a glance

Top 10 plumbers in Pasadena at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup934.9★ (736)Pasadena24/7Overall
2Merry Plumbing935.0★ (652)San Marino, 3 mi away24/7Emergencies
3Western Rooter & Plumbing924.9★ (1,562)Arcadia, 7 mi away24/7—
4Roto-Rooter Plumbing & Water Cleanup924.8★ (1,128)Alhambra, 5 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup914.9★ (682)Glendale, 6 mi away24/7—
6Advantage Plumbing & Rooter915.0★ (305)Glendale, 7 mi away24/7—
7Monkey Wrench Plumbing, Heating, Air & Electric914.8★ (269)Pasadena24/7—
8Service Squad904.9★ (131)Pasadena24/7—
9John's Plumbing & Drain Services904.9★ (383)Los Angeles, 7 mi away24/7—
10Water Heaters Only, Inc.904.9★ (720)Tujunga, 11 mi away24/7—

The 1,616 best plumbers in Pasadena, 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 Merry Plumbing

    Based in San Marino, 3 mi away

    93/100CR Score

    Ranked #2 because of its Google rating and availability: 5.0★ from 652 Google reviews, open 24/7.

    • 5.0★ from 652 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1465 San Marino Ave, San Marino, CA 91108
    View profile for Merry Plumbing(626) 414-5583

  8. #8 Service Squad

    Based in Pasadena

    90/100CR Score

    Ranked #8 because of its Google rating and availability: 4.9★ from 131 Google reviews, open 24/7.

    • 4.9★ from 131 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    680 E Colorado Blvd Suite 180, Pasadena, CA 91101
    View profile for Service Squad(626) 624-4288

  25. #25 Rare Plumbing

    Based in Pasadena

    89/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 37 Google reviews, open 24/7.

    • 5.0★ from 37 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    270 Linda Rosa Ave, Pasadena, CA 91107
    View profile for Rare Plumbing(747) 306-1917

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 1,616 ranked plumbers here; the rest are on their profiles.

plumbers in Pasadena, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Free Flo Rooter & Plumbing895.0★ (584)6 mi
27Agent Rooter Plumbing895.0★ (196)12 mi
28A-1 Total Service Plumbing894.9★ (1,494)9 mi
2924/7 Rooter Service🔧885.0★ (130)10 mi
30PDS Plumbing and Air885.0★ (471)18 mi
31Power Plumbing884.8★ (551)13 mi
32R.G.Plumbing885.0★ (123)9 mi
33Drain Great Plumbing Services885.0★ (94)8 mi
34Red Hat Plumbing884.9★ (479)16 mi
35THE DRAIN CO.884.9★ (434)16 mi
36Drip Too Hard Plumbing885.0★ (67)7 mi
37New Generation Plumbing884.7★ (143)4 mi
38New Image Plumbing & Rooter885.0★ (25)In Pasadena
39Olson Superior Plumbing Santa Fe Springs884.9★ (272)13 mi
40On Call Water Heaters884.8★ (195)8 mi
41Rooter Hero Plumbing & Air884.9★ (1,637)24 mi
42Rooter Hero Plumbing & Air of San Gabriel Valley884.9★ (926)20 mi
43Mr Drain Saver Plumbing & Rooter.885.0★ (58)6 mi
44Papa's Plumbing Inc.884.8★ (118)6 mi
45Rooter Guy Plumbing885.0★ (86)9 mi
46Plumber's Kingdom884.9★ (63)In Pasadena
47Rooter Hero Plumbing & Air of Los Angeles884.8★ (1,243)20 mi
48Monkey Wrench Plumbing, Heating, Air & Electric884.8★ (425)14 mi
49Nolasco Plumbing, Inc.885.0★ (89)10 mi
50Rapid Rhino Plumbing884.9★ (82)8 mi

Also serving Pasadena

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 Pasadena
BusinessGoogle ratingDistance
Apex Water Heating Repair5.0★ (12)In Pasadena
Crosby Plumbing Inc.5.0★ (1)In Pasadena
DropStars Plumbing Burbank4.9★ (196)10 mi
Dynamite Plumbing5.0★ (2)2 mi
Global RooterIn Pasadena
I-Plumbing Services5.0★ (2)6 mi
Jim's Plumbing & Water Heater RepairIn Pasadena
Joel HatchIn Pasadena
Jose Cruz Plumbing Heating Electrical5.0★ (2)5 mi
North Air Inc5.0★ (1)In Pasadena
Pasadena Plumbing IncIn Pasadena
Pershing Plumbing - Pasadena Plumbing Company5.0★ (2)3 mi
Plumber Pasadena Sewer Cleaning5.0★ (1)In Pasadena
Pre Cast Drain Box5.0★ (2)5 mi
Tankless Water heater Repair & Plumbing5.0★ (2)7 mi
Team Rooter Plumbing4.7★ (665)14 mi
The Sewer Company4.9★ (215)In Pasadena
Universal Plumbing Service (formerly Economy Plumbing)In Pasadena
Watson Plumbing CoIn Pasadena
Zoom Electricians5.0★ (69)In Pasadena

How much do plumbers cost in Pasadena?

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

How much do plumbers cost in Pasadena?
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 Pasadena plumbers

We scored 1,616 Pasadena 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 Pasadena 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 Pasadena: frequently asked questions

Who is the best plumber in Pasadena?

By CR Score, the highest-ranked plumber in Pasadena, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 93/100. It has 4.9★ from 736 Google reviews. It is open 24/7. Merry Plumbing (#2) and Western Rooter & Plumbing (#3) follow. We ranked 1,616 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Pasadena?

ContractorsRanked ranks 1,616 plumbers serving Pasadena, CA. 6 of them are based in Pasadena; 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 Pasadena are open 24/7?

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

Which plumbers in Pasadena work on weekends?

1,334 of 1,616 ranked plumbers post Saturday hours and 1,075 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Merry Plumbing (#2) and Western Rooter & Plumbing (#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 Pasadena?

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

What Google rating do Pasadena plumbers have?

The median Google rating among 1,616 rated plumbers in Pasadena is 4.9★, with a median of 19 reviews. Rooter Hero Plumbing & Air has the most, 1,637 reviews, and ranks #41. 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 Pasadena

  1. October 2026: CR Scores recalculated for 1,616 plumbers serving Pasadena.
  2. October 2026: 15 duplicate listings merged.

More plumbers and Pasadena pages

Other trades in Pasadena