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ContractorsRanked

Emergency Plumbers in Fontana, CA (2026)

Top 50 of 616 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in Fontana: AS Plumbing Mechanical, open 24/7.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

Top emergency plumbers in Fontana at a glance

Top emergency plumbers in Fontana at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1AS Plumbing Mechanical945.0★ (618)Fontana24/7
2Anthony's Plumbing934.9★ (592)Fontana24/7
3Option One Plumbing934.8★ (3,017)Rancho Cucamonga, 8 mi away24/7
4Mr. Rooter Plumbing of The Inland Empire924.8★ (588)Fontana24/7
5Mr. Rooter Plumbing of San Bernardino924.8★ (1,351)Colton, 6 mi away24/7
6A O Dowd Plumbing915.0★ (149)Fontana24/7
7Top Tier Plumbing & Air LLC914.9★ (607)Grand Terrace, 8 mi away24/7
8Jim & Sons Plumbing & Rooter915.0★ (750)Riverside, 12 mi away24/7
9All Pro Cooling, Heating, Plumbing & Electrical904.8★ (7,425)Ontario, 6 mi away24/7
10Scott McLeod Plumbing, Inc.904.9★ (756)Rancho Cucamonga, 11 mi away24/7

Call an emergency plumber in Fontana now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in Fontana, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 616 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  3. #3 Option One Plumbing

    Based in Rancho Cucamonga, 8 mi away

    93/100CR Score

    Ranked #3 because of its Google rating and availability: 4.8★ from 3,017 Google reviews, open 24/7.

    • 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
    View profile for Option One Plumbing(800) 905-7115

  11. #11 Payless 4 Plumbing

    Based in San Bernardino, 8 mi away

    90/100CR Score

    Ranked #11 because of its Google rating and availability: 4.8★ from 590 Google reviews, open 24/7.

    • 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
    View profile for Payless 4 Plumbing(909) 639-8839

  25. #25 Peli Plumbing

    Based in Rancho Cucamonga, 9 mi away

    90/100CR Score

    Ranked #25 because of its Google rating and availability: 5.0★ from 229 Google reviews, open 24/7.

    • 5.0★ from 229 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9771 Feron Blvd, Rancho Cucamonga, CA 91730
    View profile for Peli Plumbing(909) 485-2110

Top 50 of 616 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in Fontana, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26RD Plumbing and Rooter905.0★ (279)10 mi
27Roto-Rooter Plumbing & Water Cleanup894.8★ (495)10 mi
28Thompson Family Plumbing & Drain895.0★ (94)5 mi
29Redhead Rooter Plumbing Drain Cleaning & Hydrojetting895.0★ (302)14 mi
30Elite Plumbing Pros895.0★ (174)11 mi
31First Place Plumbing Solutions Riverside CA895.0★ (142)9 mi
32First Class Plumbing & AC894.8★ (226)8 mi
33American Made Plumbing894.9★ (144)8 mi
34Master Plumbing Fontana895.0★ (32)In Fontana
35NexGen HVAC & Plumbing894.8★ (708)In Fontana
36Roto-Rooter Plumbing & Water Cleanup894.8★ (936)17 mi
37Water Heaters Only, Inc894.8★ (181)8 mi
38Drain Edge Rooter895.0★ (132)4 mi
39Amazing Force Plumbing & Backflow LLC885.0★ (322)15 mi
40Monkey Wrench Plumbing, Heating, Air & Electric885.0★ (114)9 mi
41Righty Tighty Plumbing Inc.884.9★ (274)12 mi
42Bobby Blue Plumbing Fontana CA884.8★ (65)3 mi
43Vera Plumbing and Drain LLC885.0★ (133)10 mi
44Air One Air Conditioning, Heating, & Plumbing884.9★ (786)4 mi
45Infinity Plumbing Designs, Inc.884.9★ (984)21 mi
46NIR Plumbing & Air Conditioning884.8★ (160)8 mi
47Thompson Family Plumbing & Drain884.9★ (182)11 mi
4824 Rooter & Plumbing, Inc.885.0★ (346)18 mi
49Solace Plumbing Heating and Air884.8★ (319)13 mi
50Allstar Plumbing, Heating & Air884.7★ (220)9 mi

How we ranked emergency plumbers in Fontana

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed from
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in Fontana: questions

Which plumbers in Fontana are open 24/7?

25 on this list post 24/7 hours, including AS Plumbing Mechanical, Anthony's Plumbing, Option One Plumbing, Mr. Rooter Plumbing of The Inland Empire and Mr. Rooter Plumbing of San Bernardino.

Who is ranked #1 for emergency plumbing in Fontana, CA?

AS Plumbing Mechanical is #1, with a CR Score of 94 out of 100 on emergency weights.

How are emergency plumbers in Fontana ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Fontana

  1. October 2026: CR Scores recalculated for 616 plumbers serving Fontana.
  2. October 2026: 7 duplicate listings merged.

More emergency and plumbing pages