65/100CR 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 Charter Oak, CA (2026)
1,128 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Charter Oak: Rooter Hero Plumbing & Air, CR Score 65/100; 4.9★ from 1,637 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Top Notch Plumbing Inc., posts 24/7 hours; ranked #2 of 1,128.
- 10
Most-reviewed: Barker and Sons Plumbing & Rooter, 3,896 Google reviews at 4.8★, the most of 1,128 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,128 Charter Oak plumbers are ranked here by CR Score, from ten published factors. 584 are open 24/7, 925 open Saturdays and 736 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,128 rated businesses.
Top 10 plumbers in Charter Oak at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rooter Hero Plumbing & Air | 65 | 4.9★ (1,637) | Pomona, 6 mi away | 24/7 | Overall |
| 2 | Top Notch Plumbing Inc. | 65 | 5.0★ (515) | Covina, 2 mi away | 24/7 | Emergencies |
| 3 | Rooter Hero Plumbing & Air of San Gabriel Valley | 63 | 4.9★ (926) | Diamond Bar, 7 mi away | 24/7 | — |
| 4 | Western Rooter & Plumbing | 63 | 4.9★ (1,562) | Arcadia, 11 mi away | 24/7 | — |
| 5 | JB Plumbing | 63 | 4.8★ (396) | San Dimas, 2 mi away | 24/7 | — |
| 6 | Alpine Plumbing, Heating, and Air | 63 | 4.9★ (743) | San Dimas, 2 mi away | Sat · Sun | — |
| 7 | 24 Rooter & Plumbing, Inc. | 63 | 5.0★ (346) | Claremont, 6 mi away | 24/7 | — |
| 8 | Monkey Wrench Plumbing, Heating, Air & Electric | 63 | 4.9★ (253) | Covina, 3 mi away | 24/7 | — |
| 9 | Good News Plumbing & Drain | 63 | 4.9★ (237) | Glendora, 3 mi away | 24/7 | — |
| 10 | Barker and Sons Plumbing & Rooter | 63 | 4.8★ (3,896) | Anaheim, 17 mi away | 24/7 | Most reviews |
The 1,128 best plumbers in Charter Oak, 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 Covina, 2 mi away
65/100CR ScoreRanked #2 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 Diamond Bar, 7 mi away
63/100CR ScoreRanked #3 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 Arcadia, 11 mi away
63/100CR 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
#5 JB Plumbing
Based in San Dimas, 2 mi away
63/100CR ScoreRanked #5 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 San Dimas, 2 mi away
63/100CR ScoreRanked #6 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 Claremont, 6 mi away
63/100CR ScoreRanked #7 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 Covina, 3 mi away
63/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.9★ from 253 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 253 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 599 S Barranca Ave Suite L-107, Covina, CA 91723
Based in Glendora, 3 mi away
63/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.9★ from 237 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 237 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 310 W Mountain View Ave Ste 4, Glendora, CA 91741
Based in Anaheim, 17 mi away
63/100CR ScoreRanked #10 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 Pomona, 6 mi away
62/100CR ScoreRanked #11 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 Rancho Cucamonga, 16 mi away
62/100CR ScoreRanked #12 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 San Dimas, 2 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 124 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 124 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 440 S Cataract Ave suite j, San Dimas, CA 91773
Based in Rowland Heights, 8 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.9★ from 375 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 375 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 18633 Gale Ave Ste 105, Rowland Heights, CA 91748
Based in Upland, 10 mi away
62/100CR ScoreRanked #15 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 Duarte, 9 mi away
62/100CR ScoreRanked #16 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 Anaheim, 17 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 1,063 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 1,063 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2921 E Miraloma Ave #17, Anaheim, CA 92806
Based in Rancho Cucamonga, 13 mi away
62/100CR ScoreRanked #18 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 Glendora, 2 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 120 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 120 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 220 S Glendora Ave ste a, Glendora, CA 91741
Based in Upland, 10 mi away
62/100CR ScoreRanked #20 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 Avocado Heights, 5 mi away
62/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 130 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 130 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#22 Merry Plumbing
Based in San Marino, 15 mi away
62/100CR ScoreRanked #22 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 Glendora, 3 mi away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 77 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 165 Calder Dr, Glendora, CA 91741
Based in Covina, 2 mi away
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.8★ from 387 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 387 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 601 E Edna Pl, Covina, CA 91723
Based in Monrovia, 9 mi away
61/100CR ScoreRanked #25 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
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 1,128 ranked plumbers here; the rest are on their profiles.
Also serving Charter Oak
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 |
|---|---|---|
| Accurate Electric, Plumbing, Heating and Air | 4.9★ (951) | 3 mi |
| AK Plumbing | 5.0★ (70) | 4 mi |
| All Rooter Solutions | 5.0★ (2) | 7 mi |
| Count-on Plumbing | 5.0★ (2) | 2 mi |
| Currier Plumbing | 5.0★ (2) | 8 mi |
| Hydro Backflow | 5.0★ (2) | 3 mi |
| IRC PLUMBING INC | 5.0★ (2) | 12 mi |
| JB Plumbing | 4.5★ (2) | 6 mi |
| JC Plumbing Inc. | 5.0★ (2) | 6 mi |
| Know How Plumbing | 4.5★ (2) | 12 mi |
| MB Plumbing | 5.0★ (2) | 14 mi |
| Orange Coast Pipe | 5.0★ (2) | 8 mi |
| P & P PLUMBING COMPANY | 1.0★ (2) | 11 mi |
| Plumber XP | 5.0★ (258) | 14 mi |
| Pre Cast Drain Box | 5.0★ (2) | 14 mi |
| Robinson's Mechanical Construction | 4.0★ (2) | 10 mi |
| Showtime-Vince Ruiz Plumbing | 4.5★ (2) | 8 mi |
| Tankless Water Heater & Plumbing | 5.0★ (2) | 14 mi |
| Tankless Water heater Repair & Plumbing | 5.0★ (2) | 11 mi |
| The Sewer Surgeon | 4.8★ (51) | 2 mi |
How much do plumbers cost in Charter Oak?
National price ranges in USD, not adjusted for Charter Oak. 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 Charter Oak plumbers
We scored 1,128 Charter Oak 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 Charter Oak 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 Charter Oak: frequently asked questions
Who is the best plumber in Charter Oak?
By CR Score, the highest-ranked plumber in Charter Oak, CA is Rooter Hero Plumbing & Air with a CR Score of 65/100. It has 4.9★ from 1,637 Google reviews. It is open 24/7. Top Notch Plumbing Inc. (#2) and Rooter Hero Plumbing & Air of San Gabriel Valley (#3) follow. We ranked 1,128 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Charter Oak?
ContractorsRanked ranks 1,128 plumbers serving Charter Oak, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Charter Oak are open 24/7?
584 ranked plumbers in Charter Oak post 24/7 hours. The highest-ranked are Rooter Hero Plumbing & Air (#1), Top Notch Plumbing Inc. (#2) and Rooter Hero Plumbing & Air of San Gabriel Valley (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Charter Oak work on weekends?
925 of 1,128 ranked plumbers post Saturday hours and 736 post Sunday hours. The highest-ranked open Saturdays are Rooter Hero Plumbing & Air (#1), Top Notch Plumbing Inc. (#2) and Rooter Hero Plumbing & Air of San Gabriel Valley (#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 Charter Oak?
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 Charter Oak. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Charter Oak plumbers have?
The median Google rating among 1,128 rated plumbers in Charter Oak is 4.9★, with a median of 22 reviews. Barker and Sons Plumbing & Rooter has the most, 3,896 reviews, and ranks #10. 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 Charter Oak
- October 2026: CR Scores recalculated for 1,128 plumbers serving Charter Oak.
- October 2026: 11 duplicate listings merged.
More plumbers and Charter Oak pages
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Other trades in Charter Oak
- Roofers in Charter Oak2017 ranked
- Electricians in Charter Oak821 ranked
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- General contractors in Charter Oak1120 ranked
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- Handymen in Charter Oak83 ranked
- Kitchen remodelers in Charter Oak531 ranked
- Bathroom remodelers in Charter Oak536 ranked
- Flooring contractors in Charter Oak466 ranked
- Tile installers in Charter Oak63 ranked
- Drywall contractors in Charter Oak21 ranked
- Concrete contractors in Charter Oak317 ranked
- Fence contractors in Charter Oak256 ranked
- Deck builders in Charter Oak119 ranked
- Siding contractors in Charter Oak127 ranked
- Window installers in Charter Oak683 ranked
- Gutter installers in Charter Oak148 ranked
- Insulation contractors in Charter Oak175 ranked
- Solar installers in Charter Oak611 ranked
- Garage door repair companies in Charter Oak215 ranked
- Foundation repair companies in Charter Oak240 ranked
- Tree services in Charter Oak286 ranked
- Masonry contractors in Charter Oak186 ranked
- Water damage restoration companies in Charter Oak1312 ranked
- Home builders in Charter Oak821 ranked
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- All contractors in Charter Oak