65/100CR Score
Ranked #1 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
Best Plumbers in Fontana, CA (2026)
614 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fontana: AS Plumbing Mechanical, CR Score 65/100; 5.0★ from 618 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Anthony's Plumbing, posts 24/7 hours; ranked #2 of 614.
- 8
Most-reviewed: All Pro Cooling, Heating, Plumbing & Electrical, 7,425 Google reviews at 4.8★, the most of 614 ranked; ranked #8.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
614 Fontana plumbers are ranked here by CR Score, from ten published factors. 327 are open 24/7, 493 open Saturdays and 384 open Sundays, based on posted hours. The median Google rating is 4.9★ across 614 rated businesses.
Top 10 plumbers in Fontana at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | AS Plumbing Mechanical | 65 | 5.0★ (618) | Fontana | 24/7 | Overall |
| 2 | Anthony's Plumbing | 65 | 4.9★ (592) | Fontana | 24/7 | Emergencies |
| 3 | Option One Plumbing | 64 | 4.8★ (3,017) | Rancho Cucamonga, 8 mi away | 24/7 | — |
| 4 | Mr. Rooter Plumbing of The Inland Empire | 64 | 4.8★ (588) | Fontana | 24/7 | — |
| 5 | Mr. Rooter Plumbing of San Bernardino | 64 | 4.8★ (1,351) | Colton, 6 mi away | 24/7 | — |
| 6 | A O Dowd Plumbing | 63 | 5.0★ (149) | Fontana | 24/7 | — |
| 7 | Top Tier Plumbing & Air LLC | 63 | 4.9★ (607) | Grand Terrace, 8 mi away | 24/7 | — |
| 8 | All Pro Cooling, Heating, Plumbing & Electrical | 62 | 4.8★ (7,425) | Ontario, 6 mi away | 24/7 | Most reviews |
| 9 | Payless 4 Plumbing | 62 | 4.8★ (590) | San Bernardino, 8 mi away | 24/7 | — |
| 10 | Scott McLeod Plumbing, Inc. | 62 | 4.9★ (756) | Rancho Cucamonga, 11 mi away | 24/7 | — |
The 614 best plumbers in Fontana, 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 Fontana
65/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 592 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 592 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6714 Almeria Ave, Fontana, CA 92336
Based in Rancho Cucamonga, 8 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 Fontana
64/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 588 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 588 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6101 Cherry Ave Suite 206, Fontana, CA 92336
Based in Colton, 6 mi away
64/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 1,351 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 1,351 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 410 W Valley Blvd, Colton, CA 92324
Based in Fontana
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 149 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 149 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9650 Tangelo Ave, Fontana, CA 92335
Based in Grand Terrace, 8 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 607 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 607 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12210 Michigan St Unit 2, Grand Terrace, CA 92313
Based in Ontario, 6 mi away
62/100CR ScoreRanked #8 because of its Google rating and review volume: 4.8★ from 7,425 Google reviews, the most in Fontana.
- 4.8★ from 7,425 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5001 Ontario Mills Pkwy, Ontario, CA 91764
Based in San Bernardino, 8 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 590 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 590 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2016 N Mt Vernon Ave, San Bernardino, CA 92411
Based in Rancho Cucamonga, 11 mi away
62/100CR ScoreRanked #10 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 Rancho Cucamonga, 7 mi away
62/100CR ScoreRanked #11 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 Redlands, 12 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 878 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 878 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 633 Amigos Dr, Redlands, CA 92373
Based in Riverside, 12 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 784 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 784 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9327 Douglas Dr, Riverside, CA 92503
#14 Water Heater SOS
Based in Calimesa, 11 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 440 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 440 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Rancho Cucamonga, 10 mi away
62/100CR ScoreRanked #15 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 Riverside, 11 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 496 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 496 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6833 Indiana Ave #201, Riverside, CA 92506
Based in San Bernardino, 9 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 257 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 257 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 118 E Airport Dr, San Bernardino, CA 92408
Based in Rialto, 4 mi away
62/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 132 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 132 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 619 E South St, Rialto, CA 92376
Based in San Bernardino, 9 mi away
62/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 253 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 253 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 738 S Waterman Ave c45, San Bernardino, CA 92408
Based in Pomona, 18 mi away
62/100CR ScoreRanked #20 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
Based in Rancho Cucamonga, 8 mi away
62/100CR ScoreRanked #21 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 Riverside, 9 mi away
62/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 269 Google reviews, listed on Google as “Plumber”.
- 5.0★ from 269 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1440 3rd St Unit 20, Riverside, CA 92507
Based in Riverside, 8 mi away
62/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 433 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 433 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7710 Limonite Ave # A, Riverside, CA 92509
Based in Rancho Cucamonga, 10 mi away
62/100CR ScoreRanked #24 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
#25 Peli Plumbing
Based in Rancho Cucamonga, 9 mi away
61/100CR ScoreRanked #25 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
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 614 ranked plumbers here; the rest are on their profiles.
Also serving Fontana
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 Plus Handyman Solutions | 5.0★ (2) | In Fontana |
| All Tankless Water Heater & Plumbing | 5.0★ (1) | In Fontana |
| All tankless water heater and plumbing | 4.9★ (100) | 8 mi |
| Alliance Property Restoration | 5.0★ (1) | In Fontana |
| Allstar Plumbing, Heating & Air | 4.7★ (220) | 9 mi |
| Aqua Plumbing & Heating Fontana CA | In Fontana | |
| Avis Plumbing Heating Air Conditioning | 5.0★ (2) | 7 mi |
| Contreras Concepts Plumbing | 5.0★ (2) | 5 mi |
| Fontana Plumbing Repair & Water Heater | 5.0★ (2) | In Fontana |
| For the Family Plumbing | 1.0★ (1) | In Fontana |
| Jetter pro 1 | 5.0★ (2) | 2 mi |
| Jose's Drain Cleaning Service Plumbing | In Fontana | |
| Lightning Plumbing & Rooter | 3.0★ (2) | 6 mi |
| Locktight Drywall | 5.0★ (2) | 5 mi |
| Master Care Solutions | In Fontana | |
| My Fontana Plumber | 5.0★ (1) | In Fontana |
| Snitram Plumbing - Fontana Plumbing | 5.0★ (1) | In Fontana |
| Solace Plumbing Heating and Air | 4.8★ (319) | 13 mi |
| World Famous Plumbing | 5.0★ (1) | In Fontana |
| Xavier Plumbing And Mechanical | 1.0★ (2) | 4 mi |
How much do plumbers cost in Fontana?
National price ranges in USD, not adjusted for Fontana. 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 Fontana plumbers
We scored 614 Fontana 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 Fontana 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 Fontana: frequently asked questions
Who is the best plumber in Fontana?
By CR Score, the highest-ranked plumber in Fontana, CA is AS Plumbing Mechanical with a CR Score of 65/100. It has 5.0★ from 618 Google reviews. It is open 24/7. Anthony's Plumbing (#2) and Option One Plumbing (#3) follow. We ranked 614 plumbers on ten factors, last updated October 22, 2026.
How many plumbers are there in Fontana?
ContractorsRanked ranks 614 plumbers serving Fontana, CA. 6 of them are based in Fontana; 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 Fontana are open 24/7?
327 ranked plumbers in Fontana post 24/7 hours. The highest-ranked are AS Plumbing Mechanical (#1), Anthony's Plumbing (#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 Fontana work on weekends?
493 of 614 ranked plumbers post Saturday hours and 384 post Sunday hours. The highest-ranked open Saturdays are AS Plumbing Mechanical (#1), Anthony's Plumbing (#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 Fontana?
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 Fontana. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Fontana plumbers have?
The median Google rating among 614 rated plumbers in Fontana is 4.9★, with a median of 24 reviews. All Pro Cooling, Heating, Plumbing & Electrical has the most, 7,425 reviews, and ranks #8. 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 Fontana
- October 2026: CR Scores recalculated for 614 plumbers serving Fontana.
- October 2026: 7 duplicate listings merged.
More plumbers and Fontana pages
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