65/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,243 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,243 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14401 S Western Ave, Gardena, CA 90249
Best Plumbers in Westmont, CA (2026)
1,807 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Westmont: Rooter Hero Plumbing & Air of Los Angeles, CR Score 65/100; 4.8★ from 1,243 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 1,807.
- 5
Most-reviewed: American AC Heat Plumbing, 3,299 Google reviews at 4.9★, the most of 1,807 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,807 Westmont plumbers are ranked here by CR Score, from ten published factors. 967 are open 24/7, 1,491 open Saturdays and 1,204 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,807 rated businesses.
Top 10 plumbers in Westmont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rooter Hero Plumbing & Air of Los Angeles | 65 | 4.8★ (1,243) | Gardena, 3 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 64 | 4.8★ (860) | Inglewood, 4 mi away | 24/7 | Emergencies |
| 3 | Mr. Rooter Plumbing of Long Beach | 64 | 4.9★ (1,140) | Long Beach, 9 mi away | 24/7 | — |
| 4 | Fast Water Heater Company | 64 | 4.9★ (1,399) | Gardena, 4 mi away | Sat · Sun · Evenings | — |
| 5 | American AC Heat Plumbing | 63 | 4.9★ (3,299) | Hawthorne, 2 mi away | 24/7 | Most reviews |
| 6 | Proview Plumbing & Rooter | 63 | 5.0★ (293) | Arcadia, 6 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.8★ (940) | Los Angeles, 10 mi away | 24/7 | — |
| 8 | PDS Plumbing and Air | 63 | 5.0★ (471) | Bellflower, 11 mi away | 24/7 | — |
| 9 | Cisco's Plumbing Inc | 63 | 5.0★ (463) | Carson, 11 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 63 | 4.9★ (456) | Los Angeles, 9 mi away | 24/7 | — |
The 1,807 best plumbers in Westmont, 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 Inglewood, 4 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 860 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 860 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 925 W Hyde Park Blvd, Inglewood, CA 90302
Based in Long Beach, 9 mi away
64/100CR ScoreRanked #3 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
Based in Gardena, 4 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,399 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,399 Google reviews
- Hours
- Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–5 PM
- Address
- 16221 S Maple Ave, Gardena, CA 90248
Based in Hawthorne, 2 mi away
63/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 3,299 Google reviews, the most in Westmont.
- 4.9★ from 3,299 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3437 Jack Northrop Ave, Hawthorne, CA 90250
Based in Arcadia, 6 mi away
63/100CR ScoreRanked #6 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 Los Angeles, 10 mi away
63/100CR ScoreRanked #7 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 Bellflower, 11 mi away
63/100CR ScoreRanked #8 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 Carson, 11 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 463 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 463 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Los Angeles, 9 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 456 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 456 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12240 Venice Blvd. Ste 24A, Los Angeles, CA 90066
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 Los Angeles, 10 mi away
63/100CR ScoreRanked #12 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 Redondo Beach, 7 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 293 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 293 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1604 Aviation Blvd Ste C, Redondo Beach, CA 90278
Based in Alhambra, 13 mi away
62/100CR ScoreRanked #14 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 Torrance, 6 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 331 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 331 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4026 Hickman Dr, Torrance, CA 90504
Based in Costa Mesa, 8 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 649 Google reviews, listed on Google as “Plumber”.
- 4.7★ from 649 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Long Beach, 13 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 955 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 955 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3090 E 29th St, Long Beach, CA 90806
Based in Culver City, 6 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.9★ from 214 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 214 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5726 Bankfield Ave, Culver City, CA 90230
Based in Los Angeles, 9 mi away
62/100CR ScoreRanked #19 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 Carson, 11 mi away
62/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 527 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 527 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gardena, 3 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 116 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 116 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 14519 Wadkins Ave, Gardena, CA 90249
Based in Gardena, 5 mi away
62/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 1,770 Google reviews.
- 4.9★ from 1,770 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18012 S Figueroa St, Gardena, CA 90248
Based in Studio City, 15 mi away
62/100CR ScoreRanked #23 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
#24 Merry Plumbing
Based in San Marino, 17 mi away
62/100CR ScoreRanked #24 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
Based in Gardena, 5 mi away
62/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 2,576 Google reviews.
- 4.8★ from 2,576 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18105 S Hobart Blvd, Gardena, CA 90248
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 1,807 ranked plumbers here; the rest are on their profiles.
Also serving Westmont
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) | 6 mi |
| ADU California Modern Design | 3.0★ (2) | 6 mi |
| Bobco Plumbing | 3.0★ (2) | 6 mi |
| Chavez Plumbing & Rooter Inc | 4.8★ (172) | 9 mi |
| City Wide Plumbing & Construction | 5.0★ (2) | 7 mi |
| Coast electric co. | 5.0★ (2) | 4 mi |
| DDS Plumbing Inc. | 5.0★ (2) | 7 mi |
| Direct Plumbing Inc | 4.5★ (2) | 6 mi |
| Doctor Rooter Inc. | 5.0★ (2) | 6 mi |
| First Respond Rooter & Plumbing | 4.0★ (2) | 3 mi |
| Golden State Plumbing | 5.0★ (2) | 7 mi |
| Greene & Sons Plumbing | 5.0★ (1) | In Westmont |
| Jovel's Plumbing | 5.0★ (2) | 3 mi |
| Nimo's Plumbing | 5.0★ (2) | 7 mi |
| Plumbing and Electric | 3.0★ (2) | 6 mi |
| R&R Plumbing Services | 5.0★ (2) | 4 mi |
| Superior Plumbing Inc. | 3.0★ (2) | 5 mi |
| Valencia's Plumbing | 4.9★ (120) | 4 mi |
| Van Glo Rooter | In Westmont | |
| Wolf's Plumbing | 5.0★ (2) | 1 mi |
How much do plumbers cost in Westmont?
National price ranges in USD, not adjusted for Westmont. 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 Westmont plumbers
We scored 1,807 Westmont 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 Westmont 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 Westmont: frequently asked questions
Who is the best plumber in Westmont?
By CR Score, the highest-ranked plumber in Westmont, CA is Rooter Hero Plumbing & Air of Los Angeles with a CR Score of 65/100. It has 4.8★ from 1,243 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Mr. Rooter Plumbing of Long Beach (#3) follow. We ranked 1,807 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Westmont?
ContractorsRanked ranks 1,807 plumbers serving Westmont, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Westmont are open 24/7?
967 ranked plumbers in Westmont post 24/7 hours. The highest-ranked are Rooter Hero Plumbing & Air of Los Angeles (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Mr. Rooter Plumbing of Long Beach (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Westmont work on weekends?
1,491 of 1,807 ranked plumbers post Saturday hours and 1,204 post Sunday hours. The highest-ranked open Saturdays are Rooter Hero Plumbing & Air of Los Angeles (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Mr. Rooter Plumbing of Long Beach (#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 Westmont?
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 Westmont. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Westmont plumbers have?
The median Google rating among 1,807 rated plumbers in Westmont is 5.0★, with a median of 19 reviews. American AC Heat Plumbing has the most, 3,299 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 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 Westmont
- October 2026: CR Scores recalculated for 1,807 plumbers serving Westmont.
- October 2026: 21 duplicate listings merged.
More plumbers and Westmont pages
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- Siding contractors in Westmont116 ranked
- Window installers in Westmont628 ranked
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- Garage door repair companies in Westmont422 ranked
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