66/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 1,637 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,637 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2040 N Towne Ave, Pomona, CA 91767
Best Plumbers in Claremont, CA (2026)
967 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Claremont: Rooter Hero Plumbing & Air, CR Score 66/100; 4.9★ from 1,637 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): 24 Rooter & Plumbing, Inc., posts 24/7 hours; ranked #2 of 967.
- 28
Most-reviewed: All Pro Cooling, Heating, Plumbing & Electrical, 7,425 Google reviews at 4.8★, the most of 967 ranked; ranked #28.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
967 Claremont plumbers are ranked here by CR Score, from ten published factors. 494 are open 24/7, 784 open Saturdays and 610 open Sundays, based on posted hours. The median Google rating is 4.9★ across 967 rated businesses.
Top 10 plumbers in Claremont at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rooter Hero Plumbing & Air | 66 | 4.9★ (1,637) | Pomona, 2 mi away | 24/7 | Overall |
| 2 | 24 Rooter & Plumbing, Inc. | 64 | 5.0★ (346) | Claremont | 24/7 | Emergencies |
| 3 | Option One Plumbing | 64 | 4.8★ (3,017) | Rancho Cucamonga, 9 mi away | 24/7 | — |
| 4 | AYS Plumbing & Rooter | 64 | 4.9★ (1,726) | Upland, 3 mi away | Sat · Sun · Evenings | — |
| 5 | Scott McLeod Plumbing, Inc. | 64 | 4.9★ (756) | Rancho Cucamonga, 5 mi away | 24/7 | — |
| 6 | High Speed Plumbing | 63 | 4.8★ (542) | Pomona, 2 mi away | 24/7 | — |
| 7 | Redhead Rooter Plumbing Drain Cleaning & Hydrojetting | 63 | 5.0★ (302) | Upland, 3 mi away | 24/7 | — |
| 8 | Rooter Hero Plumbing & Air of San Gabriel Valley | 63 | 4.9★ (926) | Diamond Bar, 10 mi away | 24/7 | — |
| 9 | Top Notch Plumbing Inc. | 63 | 5.0★ (515) | Covina, 9 mi away | 24/7 | — |
| 10 | Bow Tie Plumbing & Rooter | 63 | 5.0★ (334) | Rancho Cucamonga, 7 mi away | 24/7 | — |
The 967 best plumbers in Claremont, 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 Claremont
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 346 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 346 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3628 Lynoak Dr #201, Claremont, CA 91711
Based in Rancho Cucamonga, 9 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 3,017 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 3,017 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10722 Arrow Route STE 602, Rancho Cucamonga, CA 91730
Based in Upland, 3 mi away
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,726 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 1,726 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 260 N Corporate Way, Upland, CA 91786
Based in Rancho Cucamonga, 5 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 756 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 756 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8222 Foothill Blvd, Rancho Cucamonga, CA 91730
Based in Pomona, 2 mi away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.8★ from 542 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 542 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 111 E Arrow Hwy, Pomona, CA 91767
Based in Upland, 3 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 302 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 302 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 517 N Mountain Ave, Upland, CA 91786
Based in Diamond Bar, 10 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 926 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 926 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1370 Valley Vista Dr Suite 200A, Diamond Bar, CA 91765
Based in Covina, 9 mi away
63/100CR ScoreRanked #9 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 Rancho Cucamonga, 7 mi away
63/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 334 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 334 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9350 Base Line Rd ste c, Rancho Cucamonga, CA 91701
Based in Anaheim, 18 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.8★ from 3,896 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 3,896 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3900 E Miraloma Ave, Anaheim, CA 92806
Based in Rancho Cucamonga, 7 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 262 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 262 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9328 Foothill Blvd, Rancho Cucamonga, CA 91730
Based in Claremont
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 88 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 88 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Upland, 4 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 319 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 319 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1323 Stanford Way, Upland, CA 91786
#15 JB Plumbing
Based in San Dimas, 6 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 396 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 396 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 515 W Allen Ave #13, San Dimas, CA 91773
Based in Claremont
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 100 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 100 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Fontana, 13 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 618 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 618 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7898 Cherry Ave Ste D, Fontana, CA 92336
#18 Peli Plumbing
Based in Rancho Cucamonga, 7 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 229 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 229 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9771 Feron Blvd, Rancho Cucamonga, CA 91730
Based in Upland, 3 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 147 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 147 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1551 W 13th St Unit 307, Upland, CA 91786
Based in San Dimas, 6 mi away
62/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 743 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 743 Google reviews
- Hours
- Mon–Fri 7 AM–6 PM · Sat–Sun 8 AM–5 PM
- Address
- 462 Borrego Ct, San Dimas, CA 91773
Based in Ontario, 3 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 109 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10709 Vernon Ave, Ontario, CA 91762
Based in Rancho Cucamonga, 9 mi away
62/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 354 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 354 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10970 Arrow Route #104, Rancho Cucamonga, CA 91730
Based in Pomona, 3 mi away
62/100CR ScoreRanked #23 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
- 300 S Park Ave Suite 825, Pomona, CA 91766
Based in Rancho Cucamonga, 9 mi away
62/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 219 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 219 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10700 Jersey Blvd #220, Rancho Cucamonga, CA 91730
Based in Arcadia, 18 mi away
62/100CR ScoreRanked #25 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
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 967 ranked plumbers here; the rest are on their profiles.
Also serving Claremont
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 |
|---|---|---|
| AK Plumbing | 5.0★ (70) | 4 mi |
| Count-on Plumbing | 5.0★ (2) | 9 mi |
| Courtesy Plumbing | 4.8★ (387) | 9 mi |
| Currier Plumbing | 5.0★ (2) | 3 mi |
| Danru Plumbing & Rooter | 4.6★ (95) | 2 mi |
| Divine Remodels & More | 5.0★ (2) | 9 mi |
| Frank W. Plumbing | 5.0★ (2) | In Claremont |
| Hydro Backflow | 5.0★ (2) | 10 mi |
| JB Plumbing | 4.5★ (2) | In Claremont |
| JC Plumbing Inc. | 5.0★ (2) | 6 mi |
| Little John's Plumbing | 5.0★ (1) | In Claremont |
| Orange Coast Pipe | 5.0★ (2) | 3 mi |
| Plumber Upland | 5.0★ (1) | In Claremont |
| Renowned Plumbing & Rooter | In Claremont | |
| Repipe Crew | 5.0★ (1) | In Claremont |
| Robinson's Mechanical Construction | 4.0★ (2) | 3 mi |
| Sanchez Plumbing Co | 4.0★ (1) | In Claremont |
| Service Lion Plumbing Heating Air Electric | 4.7★ (1,173) | 16 mi |
| The Drain Doctor | 5.0★ (1) | In Claremont |
| Yarmouth Heating & Cooling | 5.0★ (27) | In Claremont |
How much do plumbers cost in Claremont?
National price ranges in USD, not adjusted for Claremont. 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 Claremont plumbers
We scored 967 Claremont 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 Claremont 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 Claremont: frequently asked questions
Who is the best plumber in Claremont?
By CR Score, the highest-ranked plumber in Claremont, CA is Rooter Hero Plumbing & Air with a CR Score of 66/100. It has 4.9★ from 1,637 Google reviews. It is open 24/7. 24 Rooter & Plumbing, Inc. (#2) and Option One Plumbing (#3) follow. We ranked 967 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Claremont?
ContractorsRanked ranks 967 plumbers serving Claremont, CA. 5 of them are based in Claremont; 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 Claremont are open 24/7?
494 ranked plumbers in Claremont post 24/7 hours. The highest-ranked are Rooter Hero Plumbing & Air (#1), 24 Rooter & Plumbing, Inc. (#2) and Option One Plumbing (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Claremont work on weekends?
784 of 967 ranked plumbers post Saturday hours and 610 post Sunday hours. The highest-ranked open Saturdays are Rooter Hero Plumbing & Air (#1), 24 Rooter & Plumbing, Inc. (#2) and Option One 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 Claremont?
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 Claremont. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Claremont plumbers have?
The median Google rating among 967 rated plumbers in Claremont is 4.9★, with a median of 23 reviews. All Pro Cooling, Heating, Plumbing & Electrical has the most, 7,425 reviews, and ranks #28. 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 Claremont
- October 2026: CR Scores recalculated for 967 plumbers serving Claremont.
- October 2026: 10 duplicate listings merged.
More plumbers and Claremont pages
Plumbers near Claremont
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Other trades in Claremont
- Roofers in Claremont1737 ranked
- Electricians in Claremont648 ranked
- HVAC contractors in Claremont1022 ranked
- General contractors in Claremont907 ranked
- Painters in Claremont140 ranked
- Landscapers in Claremont161 ranked
- Handymen in Claremont82 ranked
- Kitchen remodelers in Claremont435 ranked
- Bathroom remodelers in Claremont443 ranked
- Flooring contractors in Claremont392 ranked
- Tile installers in Claremont56 ranked
- Drywall contractors in Claremont18 ranked
- Concrete contractors in Claremont296 ranked
- Fence contractors in Claremont218 ranked
- Deck builders in Claremont102 ranked
- Siding contractors in Claremont108 ranked
- Window installers in Claremont637 ranked
- Gutter installers in Claremont117 ranked
- Insulation contractors in Claremont142 ranked
- Solar installers in Claremont555 ranked
- Garage door repair companies in Claremont195 ranked
- Foundation repair companies in Claremont193 ranked
- Tree services in Claremont284 ranked
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- Water damage restoration companies in Claremont1192 ranked
- Home builders in Claremont700 ranked
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- All contractors in Claremont