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 Montclair, CA (2026)
957 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Montclair: 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): Option One Plumbing, posts 24/7 hours; ranked #2 of 957.
- 20
Most-reviewed: All Pro Cooling, Heating, Plumbing & Electrical, 7,425 Google reviews at 4.8★, the most of 957 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
957 Montclair plumbers are ranked here by CR Score, from ten published factors. 490 are open 24/7, 775 open Saturdays and 607 open Sundays, based on posted hours. The median Google rating is 4.9★ across 957 rated businesses.
Top 10 plumbers in Montclair 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, 3 mi away | 24/7 | Overall |
| 2 | Option One Plumbing | 65 | 4.8★ (3,017) | Rancho Cucamonga, 7 mi away | 24/7 | Emergencies |
| 3 | AYS Plumbing & Rooter | 64 | 4.9★ (1,726) | Upland, 2 mi away | Sat · Sun · Evenings | — |
| 4 | Scott McLeod Plumbing, Inc. | 64 | 4.9★ (756) | Rancho Cucamonga, 4 mi away | 24/7 | — |
| 5 | Redhead Rooter Plumbing Drain Cleaning & Hydrojetting | 64 | 5.0★ (302) | Upland, 2 mi away | 24/7 | — |
| 6 | 24 Rooter & Plumbing, Inc. | 64 | 5.0★ (346) | Claremont, 4 mi away | 24/7 | — |
| 7 | High Speed Plumbing | 63 | 4.8★ (542) | Pomona, 4 mi away | 24/7 | — |
| 8 | Bow Tie Plumbing & Rooter | 63 | 5.0★ (334) | Rancho Cucamonga, 6 mi away | 24/7 | — |
| 9 | Ramco Plumbing Heating & Air | 63 | 5.0★ (262) | Rancho Cucamonga, 5 mi away | 24/7 | — |
| 10 | Rooter Hero Plumbing & Air of San Gabriel Valley | 63 | 4.9★ (926) | Diamond Bar, 10 mi away | 24/7 | — |
The 957 best plumbers in Montclair, 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 Rancho Cucamonga, 7 mi away
65/100CR ScoreRanked #2 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, 2 mi away
64/100CR ScoreRanked #3 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, 4 mi away
64/100CR ScoreRanked #4 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 Upland, 2 mi away
64/100CR ScoreRanked #5 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 Claremont, 4 mi away
64/100CR ScoreRanked #6 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 Pomona, 4 mi away
63/100CR ScoreRanked #7 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, 6 mi away
63/100CR ScoreRanked #8 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 Rancho Cucamonga, 5 mi away
63/100CR ScoreRanked #9 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 Diamond Bar, 10 mi away
63/100CR ScoreRanked #10 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 Anaheim, 17 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 Upland, 3 mi away
62/100CR ScoreRanked #12 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
Based in Fontana, 12 mi away
62/100CR ScoreRanked #13 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
#14 Peli Plumbing
Based in Rancho Cucamonga, 6 mi away
62/100CR ScoreRanked #14 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 Ontario, 1 mi away
62/100CR ScoreRanked #15 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 Covina, 11 mi away
62/100CR ScoreRanked #16 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
62/100CR ScoreRanked #17 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 Rancho Cucamonga, 7 mi away
62/100CR ScoreRanked #18 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 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 Ontario, 8 mi away
62/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Montclair.
- 4.8★ from 7,425 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5001 Ontario Mills Pkwy, Ontario, CA 91764
#21 JB Plumbing
Based in San Dimas, 8 mi away
62/100CR ScoreRanked #21 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 Montclair
62/100CR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 977 Google reviews.
- 4.9★ from 977 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5623 E Arrow Hwy, Montclair, CA 91763
Based in San Dimas, 7 mi away
62/100CR ScoreRanked #23 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 Anaheim, 18 mi away
61/100CR ScoreRanked #24 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 Pomona, 4 mi away
61/100CR ScoreRanked #25 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
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 957 ranked plumbers here; the rest are on their profiles.
Also serving Montclair
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 |
|---|---|---|
| Art's Lighthouse Construction | In Montclair | |
| Count-on Plumbing | 5.0★ (2) | 11 mi |
| Courtesy Plumbing | 4.8★ (387) | 11 mi |
| Crawford Emergency Plumbing Ontario | 5.0★ (1) | In Montclair |
| Currier Plumbing | 5.0★ (2) | In Montclair |
| Danru Plumbing & Rooter | 4.6★ (95) | 2 mi |
| Divine Remodels & More | 5.0★ (2) | 7 mi |
| Eaton Family Plumbers | 4.8★ (143) | 7 mi |
| FCRC Plumbing Heating & Air | In Montclair | |
| First Class Plumbing & AC | 4.9★ (784) | 18 mi |
| Hydro Backflow | 5.0★ (2) | 11 mi |
| JB Plumbing | 4.5★ (2) | 4 mi |
| Jim & Sons Plumbing & Rooter | 5.0★ (750) | 18 mi |
| Jorod Plumbing Restoration | 5.0★ (2) | 13 mi |
| Orange Coast Pipe | 5.0★ (2) | In Montclair |
| Perfection Plumbing Inc | 5.0★ (2) | 13 mi |
| R and D Plumbing and Rooter LLC | In Montclair | |
| Robinson's Mechanical Construction | 4.0★ (2) | 3 mi |
| Service Lion Plumbing Heating Air Electric | 4.7★ (1,173) | 17 mi |
| Sweetwater Plumbing | In Montclair |
How much do plumbers cost in Montclair?
National price ranges in USD, not adjusted for Montclair. 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 Montclair plumbers
We scored 957 Montclair 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 23, 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 Montclair 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 Montclair: frequently asked questions
Who is the best plumber in Montclair?
By CR Score, the highest-ranked plumber in Montclair, 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. Option One Plumbing (#2) and AYS Plumbing & Rooter (#3) follow. We ranked 957 plumbers on ten factors, last updated October 23, 2026.
How many plumbers are there in Montclair?
ContractorsRanked ranks 957 plumbers serving Montclair, CA. 2 of them are based in Montclair; 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 Montclair are open 24/7?
490 ranked plumbers in Montclair post 24/7 hours. The highest-ranked are Rooter Hero Plumbing & Air (#1), Option One Plumbing (#2) and Scott McLeod Plumbing, Inc. (#4). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Montclair work on weekends?
775 of 957 ranked plumbers post Saturday hours and 607 post Sunday hours. The highest-ranked open Saturdays are Rooter Hero Plumbing & Air (#1), Option One Plumbing (#2) and AYS Plumbing & Rooter (#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 Montclair?
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 Montclair. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Montclair plumbers have?
The median Google rating among 957 rated plumbers in Montclair is 4.9★, with a median of 23 reviews. All Pro Cooling, Heating, Plumbing & Electrical has the most, 7,425 reviews, and ranks #20. 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 Montclair
- October 2026: CR Scores recalculated for 957 plumbers serving Montclair.
- October 2026: 8 duplicate listings merged.
More plumbers and Montclair pages
Plumbers near Montclair
- Plumbers in Claremont, CA972 ranked
- Plumbers in Ontario, CA940 ranked
- Plumbers in Upland, CA874 ranked
- Plumbers in Pomona, CA1160 ranked
- Plumbers in Chino, CA1150 ranked
- Plumbers in La Verne, CA1034 ranked
- Plumbers in Rancho Cucamonga, CA788 ranked
- Plumbers in San Dimas, CA1054 ranked
- Plumbers in Chino Hills, CA1421 ranked
- Plumbers in Los Serranos, CA1371 ranked
Other trades in Montclair
- Roofers in Montclair1608 ranked
- Electricians in Montclair618 ranked
- HVAC contractors in Montclair1003 ranked
- General contractors in Montclair884 ranked
- Painters in Montclair149 ranked
- Landscapers in Montclair164 ranked
- Handymen in Montclair84 ranked
- Kitchen remodelers in Montclair412 ranked
- Bathroom remodelers in Montclair424 ranked
- Flooring contractors in Montclair387 ranked
- Tile installers in Montclair60 ranked
- Drywall contractors in Montclair29 ranked
- Concrete contractors in Montclair291 ranked
- Fence contractors in Montclair209 ranked
- Deck builders in Montclair100 ranked
- Siding contractors in Montclair101 ranked
- Window installers in Montclair615 ranked
- Gutter installers in Montclair110 ranked
- Insulation contractors in Montclair126 ranked
- Solar installers in Montclair512 ranked
- Garage door repair companies in Montclair189 ranked
- Foundation repair companies in Montclair172 ranked
- Tree services in Montclair281 ranked
- Masonry contractors in Montclair157 ranked
- Water damage restoration companies in Montclair1098 ranked
- Home builders in Montclair643 ranked
- Demolition contractors in Montclair114 ranked
- All contractors in Montclair