66/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 652 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 652 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1465 San Marino Ave, San Marino, CA 91108
Best Plumbers in South Pasadena, CA (2026)
1,820 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Pasadena: Merry Plumbing, CR Score 66/100; 5.0★ from 652 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 1,820.
- 30
Most-reviewed: JW Plumbing, Heating and Air, 2,541 Google reviews at 4.8★, the most of 1,820 ranked; ranked #30.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,820 South Pasadena plumbers are ranked here by CR Score, from ten published factors. 962 are open 24/7, 1,504 open Saturdays and 1,204 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,820 rated businesses.
Top 10 plumbers in South Pasadena at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Merry Plumbing | 66 | 5.0★ (652) | San Marino, 3 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 66 | 4.8★ (1,128) | Alhambra, 2 mi away | 24/7 | Emergencies |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 66 | 4.9★ (736) | Pasadena, 2 mi away | 24/7 | — |
| 4 | Western Rooter & Plumbing | 66 | 4.9★ (1,562) | Arcadia, 7 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.9★ (682) | Glendale, 6 mi away | 24/7 | — |
| 6 | A-1 Total Service Plumbing | 64 | 4.9★ (1,494) | Los Angeles, 6 mi away | Sat · Sun · Evenings | — |
| 7 | John's Plumbing & Drain Services | 64 | 4.9★ (383) | Los Angeles, 7 mi away | 24/7 | — |
| 8 | Monkey Wrench Plumbing, Heating, Air & Electric | 64 | 4.8★ (269) | Pasadena, 2 mi away | 24/7 | — |
| 9 | Advantage Plumbing & Rooter | 63 | 5.0★ (305) | Glendale, 8 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.9★ (556) | Burbank, 11 mi away | 24/7 | — |
The 1,820 best plumbers in South Pasadena, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Alhambra, 2 mi away
66/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,128 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 905 Westminster Ave Suite A, Alhambra, CA 91803
Based in Pasadena, 2 mi away
66/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 736 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 736 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 241 E Colorado Blvd #202, Pasadena, CA 91101
Based in Arcadia, 7 mi away
66/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,562 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,562 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 136 E Santa Clara St #1, Arcadia, CA 91006
Based in Glendale, 6 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 682 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 682 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 201 N Brand Blvd Ste 2226, Glendale, CA 91203
Based in Los Angeles, 6 mi away
64/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 1,494 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,494 Google reviews
- Hours
- Mon–Sun 6 AM–7 PM
- Address
- 640 S Atlantic Blvd, Los Angeles, CA 90022
Based in Los Angeles, 7 mi away
64/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 383 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 383 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3847 Brunswick Ave, Los Angeles, CA 90039
Based in Pasadena, 2 mi away
64/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 269 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 269 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 680 E Colorado Blvd Suite 200-G, Pasadena, CA 91101
Based in Glendale, 8 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 305 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 305 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2361 Barton Ln, Montrose, CA 91020
Based in Burbank, 11 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 556 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 556 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3115 W Olive Ave Ste 106, Burbank, CA 91505
Based in Commerce, 9 mi away
63/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 417 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 417 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5900 S Eastern Ave #137, Commerce, CA 90040
Based in Tujunga, 12 mi away
63/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 720 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 720 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7312 Elmo St, Tujunga, CA 91042
Based in Altadena, 7 mi away
63/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 584 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 584 Google reviews
- Hours
- Mon–Sun 6 AM–11 PM
Based in Duarte, 9 mi away
63/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 276 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 276 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 454 Shrode Ave, Duarte, CA 91010
Based in El Monte, 7 mi away
63/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 362 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 362 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3831 Arden Dr, El Monte, CA 91731
Based in Long Beach, 16 mi away
63/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 1,140 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,140 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2650 70th St, Long Beach, CA 90805
#17 Service Squad
Based in Pasadena, 2 mi away
63/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Plumber”.
- 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
Based in Studio City, 14 mi away
63/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.8★ from 1,036 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,036 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3940 Laurel Canyon Blvd Suite #568, Studio City, CA 91604
Based in Los Angeles, 13 mi away
63/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 940 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 940 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 554 S San Vicente Blvd Ste 208, Los Angeles, CA 90048
Based in Los Angeles, 10 mi away
63/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 464 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 464 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4649 Beverly Blvd, Los Angeles, CA 90004
Based in Monrovia, 9 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 266 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 266 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 222 E Foothill Blvd, Monrovia, CA 91016
Based in Covina, 16 mi away
62/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 515 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 515 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4903 N Vecino Dr, Covina, CA 91722
Based in Bellflower, 16 mi away
62/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 471 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 471 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9706 Alondra Blvd, Bellflower, CA 90706
Based in Arcadia, 12 mi away
62/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 293 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 293 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arcadia, 8 mi away
62/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.9★ from 182 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 182 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 440 E Huntington Dr # 300, Arcadia, CA 91006
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 1,820 ranked plumbers here; the rest are on their profiles.
Also serving South 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.
| Business | Google rating | Distance |
|---|---|---|
| A. R. C- Commercial Contractors | 5.0★ (2) | 9 mi |
| ABC Plumbing & Heating Co | 4.5★ (2) | 8 mi |
| Doctor Rooter Inc. | 5.0★ (2) | 9 mi |
| DropStars Plumbing Burbank | 4.9★ (196) | 10 mi |
| Dynamite Plumbing | 5.0★ (2) | In South Pasadena |
| I-Plumbing Services | 5.0★ (2) | 6 mi |
| Jose Cruz Plumbing Heating Electrical | 5.0★ (2) | 3 mi |
| La Tamix Plumbing | 5.0★ (2) | 9 mi |
| Leo Plumbing Services | 5.0★ (2) | 6 mi |
| Lighthart Co | 3.0★ (2) | 6 mi |
| Los Plumbers Inc | 3.0★ (2) | 5 mi |
| Monkey Wrench Plumbing, Heating, Air & Electric | 4.8★ (425) | 14 mi |
| Mora Rooter | 5.0★ (2) | 7 mi |
| On Call Water Heaters | 4.8★ (195) | 10 mi |
| Pershing Plumbing - Pasadena Plumbing Company | 5.0★ (2) | 5 mi |
| Pre Cast Drain Box | 5.0★ (2) | 4 mi |
| Tankless Water heater Repair & Plumbing | 5.0★ (2) | 7 mi |
| The Cauldron Water Heaters | 5.0★ (2) | 8 mi |
| The Sewer Company | 4.9★ (215) | 2 mi |
| Victor’s Plumber | 5.0★ (2) | 8 mi |
How much do plumbers cost in South Pasadena?
National price ranges in USD, not adjusted for South Pasadena. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 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).
- Search the business name or license number on the Contractors State License Board (CSLB) license lookup.
- Check that the status is active and the name matches the contract or truck.
- 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 South Pasadena plumbers
We scored 1,820 South Pasadena plumbers on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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.
| Factor | Weight | Computed from | In South Pasadena data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Plumbers in South Pasadena: frequently asked questions
Who is the best plumber in South Pasadena?
By CR Score, the highest-ranked plumber in South Pasadena, CA is Merry Plumbing with a CR Score of 66/100. It has 5.0★ from 652 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 1,820 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in South Pasadena?
ContractorsRanked ranks 1,820 plumbers serving South Pasadena, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in South Pasadena are open 24/7?
962 ranked plumbers in South Pasadena post 24/7 hours. The highest-ranked are Merry Plumbing (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in South Pasadena work on weekends?
1,504 of 1,820 ranked plumbers post Saturday hours and 1,204 post Sunday hours. The highest-ranked open Saturdays are Merry Plumbing (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#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 South 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 South Pasadena. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Pasadena plumbers have?
The median Google rating among 1,820 rated plumbers in South Pasadena is 5.0★, with a median of 19 reviews. JW Plumbing, Heating and Air has the most, 2,541 reviews, and ranks #30. 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 ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Update log for South Pasadena
- October 2026: CR Scores recalculated for 1,820 plumbers serving South Pasadena.
- October 2026: 23 duplicate listings merged.
More plumbers and South Pasadena pages
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Other trades in South Pasadena
- Roofers in South Pasadena2088 ranked
- Electricians in South Pasadena1300 ranked
- HVAC contractors in South Pasadena1816 ranked
- General contractors in South Pasadena2049 ranked
- Painters in South Pasadena318 ranked
- Landscapers in South Pasadena195 ranked
- Handymen in South Pasadena212 ranked
- Kitchen remodelers in South Pasadena970 ranked
- Bathroom remodelers in South Pasadena937 ranked
- Flooring contractors in South Pasadena647 ranked
- Tile installers in South Pasadena100 ranked
- Drywall contractors in South Pasadena25 ranked
- Concrete contractors in South Pasadena443 ranked
- Fence contractors in South Pasadena443 ranked
- Deck builders in South Pasadena186 ranked
- Siding contractors in South Pasadena119 ranked
- Window installers in South Pasadena666 ranked
- Gutter installers in South Pasadena234 ranked
- Insulation contractors in South Pasadena261 ranked
- Solar installers in South Pasadena630 ranked
- Garage door repair companies in South Pasadena403 ranked
- Foundation repair companies in South Pasadena249 ranked
- Tree services in South Pasadena355 ranked
- Masonry contractors in South Pasadena247 ranked
- Water damage restoration companies in South Pasadena1286 ranked
- Home builders in South Pasadena845 ranked
- Demolition contractors in South Pasadena164 ranked
- All contractors in South Pasadena