Skip to content
ContractorsRanked

Emergency Water Damage Restoration Companies in Ontario, CA (2026)

Top 50 of 1,029 water damage restoration companies, in emergency orderUpdated 0 paid placements in this rankingHow we rank

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

Shut off the water source and the power to wet rooms if it is safe to reach the panel. Photograph damage for your insurer.

The short answer

  1. 1

    #1 for emergency water damage restoration in Ontario: Roto-Rooter Plumbing & Water Cleanup, open 24/7.

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

Top emergency water damage restoration companies in Ontario at a glance

Top emergency water damage restoration companies in Ontario at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Roto-Rooter Plumbing & Water Cleanup674.8★ (1,330)Ontario24/7
2Stanley Steemer654.9★ (2,500)Colton, 19 mi away24/7
3Stanley Steemer654.8★ (2,345)Anaheim, 17 mi away24/7
4Roto-Rooter Plumbing & Water Cleanup644.9★ (434)Diamond Bar, 10 mi away24/7
5Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services644.9★ (710)Riverside, 15 mi away24/7
6Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services645.0★ (213)Rancho Cucamonga, 6 mi away24/7
7SERVPRO of Diamond Bar/South Pomona635.0★ (271)Diamond Bar, 10 mi away24/7
8United Water Restoration Group of Ontario634.9★ (71)Ontario24/7
9SERVPRO of Chino/Chino Hills624.7★ (147)Chino, 5 mi away24/7
10Restoration 1 of Rancho Cucamonga625.0★ (80)Upland, 4 mi away24/7

Call an emergency water damage restoration company in Ontario 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 water damage restoration companies in Ontario, 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 1,029 is on the water damage restoration companies page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Stanley Steemer

    Based in Colton, 19 mi away

    65/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 2,500 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.9★ from 2,500 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1474 N Miller Dr, Colton, CA 92324
    View profile for Stanley Steemer(909) 259-0880

  3. #3 Stanley Steemer

    Based in Anaheim, 17 mi away

    65/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 2,345 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.8★ from 2,345 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4530 E Eisenhower Cir, Anaheim, CA 92807
    View profile for Stanley Steemer(949) 855-0245

  5. #5 Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services

    Based in Riverside, 15 mi away

    64/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.9★ from 710 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.9★ from 710 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11335 Wybourn Ave, Riverside, CA 92503
    View profile for Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services(951) 633-8581

  6. #6 Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services

    Based in Rancho Cucamonga, 6 mi away

    64/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 213 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 213 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6881 Berkshire Ave, Rancho Cucamonga, CA 91701
    View profile for Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services(951) 577-1625

  11. #11 BPM

    Based in Ontario

    62/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 54 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.9★ from 54 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1712 E Yale St, Ontario, CA 91764
    View profile for BPM(909) 530-3254

  12. #12 Haven Cleaning

    Based in Ontario

    62/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.7★ from 66 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.7★ from 66 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1155 S Milliken Ave Suite E, Ontario, CA 91761
    View profile for Haven Cleaning(844) 631-7784

  15. #15 Cut N Dry Restoration

    Based in Upland, 4 mi away

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.4★ from 129 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.4★ from 129 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    2115 Aviation Dr, Upland, CA 91786
    View profile for Cut N Dry Restoration(844) 511-2379

  16. #16 SERVPRO of Fountain Valley

    Based in Fountain Valley, 30 mi away

    62/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 578 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 578 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    10885 Kalama River Ave Suite K, Fountain Valley, CA 92708
    View profile for SERVPRO of Fountain Valley(714) 965-4500

  17. #17 Paul Davis Restoration

    Based in Riverside, 14 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 145 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.9★ from 145 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4110 Tigris Way, Riverside, CA 92503
    View profile for Paul Davis Restoration(866) 912-8806

  18. #18 Elite Dry

    Based in Anaheim, 19 mi away

    61/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 192 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 192 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Elite Dry(714) 333-8233

  19. #19 Clear Coast Restoration

    Based in Rancho Cucamonga, 4 mi away

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.6★ from 70 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.6★ from 70 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8816 Foothill Blvd Suite 103, #335, Rancho Cucamonga, CA 91730
    View profile for Clear Coast Restoration(909) 732-3794

  20. #20 SERVPRO of Walnut

    Based in Walnut, 12 mi away

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 94 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 94 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    250 Paseo Tesoro Ste B, Walnut, CA 91789
    View profile for SERVPRO of Walnut(909) 598-8400

  21. #21 All Dry Services

    Based in Rancho Cucamonga, 5 mi away

    61/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 48 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11175 Azusa Ct Suite 110, Rancho Cucamonga, CA 91730
    View profile for All Dry Services(909) 270-2203

  22. #22 Allied Restoration

    Based in West Covina, 13 mi away

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.8★ from 133 Google reviews, listed on Google as “Water damage restoration service”.

    • 4.8★ from 133 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3120 E Garvey Ave S, West Covina, CA 91791
    View profile for Allied Restoration(888) 860-1003

  24. #24 Superior Restoration

    Based in Corona, 13 mi away

    61/100CR Score

    Ranked #24 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 97 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1426 W 6th St Suite 202-B, Corona, CA 92882
    View profile for Superior Restoration(951) 383-3710

  25. #25 Affordable Home Works

    Based in Riverside, 16 mi away

    61/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “Water damage restoration service”.

    • 5.0★ from 108 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9306 Narnia Dr, Riverside, CA 92503
    View profile for Affordable Home Works(951) 733-9027

Top 50 of 1,029 water damage restoration companies 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.

water damage restoration companies in Ontario, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Dry Masters615.0★ (26)In Ontario
27PuroClean of San Dimas615.0★ (68)11 mi
2824/7 WATER DAMAGE RESTORATION - FONTANA AND RANCHO615.0★ (31)3 mi
29Livewell Restoration, LLC.615.0★ (74)12 mi
30SERVPRO of Yorba Linda/Brea614.9★ (213)22 mi
31911 Restoration of Orange County614.9★ (191)22 mi
32Roto-Rooter Plumbing & Water Cleanup614.8★ (438)29 mi
33Roto-Rooter Plumbing & Water Cleanup614.9★ (380)29 mi
34SERVPRO of Claremont/Montclair614.9★ (32)4 mi
35CELCO614.9★ (75)14 mi
36PuroClean of Rowland Heights615.0★ (70)14 mi
37SERVPRO of Upland/San Antonio Heights614.6★ (33)2 mi
38Yayitos carpet cleaning615.0★ (321)31 mi
39SERVPRO of South Rancho Cucamonga604.9★ (42)8 mi
40Swiftdry Pomona Solutions605.0★ (38)8 mi
41Lartek Restoration605.0★ (63)14 mi
42Luba Inc605.0★ (16)In Ontario
43Roto-Rooter Plumbing & Water Cleanup604.9★ (475)34 mi
44SERVPRO of Northwest Ontario604.8★ (33)5 mi
45Top Tier Water Damage Restoration605.0★ (28)5 mi
46Mold Fix605.0★ (94)19 mi
47Paul Davis Restoration and Construction of East San Gabriel Valley, CA605.0★ (103)21 mi
48SERVPRO of Irwindale/Baldwin Park605.0★ (76)17 mi
49Blue Arrow605.0★ (19)3 mi
50Legacy Water Damage605.0★ (21)4 mi

How we ranked emergency water damage restoration companies in Ontario

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 water damage restoration companies 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
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency water damage restoration companies in Ontario: questions

Which water damage restoration companies in Ontario are open 24/7?

25 on this list post 24/7 hours, including Roto-Rooter Plumbing & Water Cleanup, Stanley Steemer, Stanley Steemer, Roto-Rooter Plumbing & Water Cleanup and Cisneros Brothers Plumbing, Heating & AC Repair, Water Damage Restoration & Flood Services.

Who is ranked #1 for emergency water damage restoration in Ontario, CA?

Roto-Rooter Plumbing & Water Cleanup is #1, with a CR Score of 67 out of 100 on emergency weights.

How are emergency water damage restoration companies in Ontario ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 water damage restoration companies 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 water damage restoration company arrives?

Shut off the water source and the power to wet rooms if it is safe to reach the panel. Photograph damage for your insurer.

How many emergency water damage restoration companies 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 Ontario

  1. October 2026: CR Scores recalculated for 1,029 water damage restoration companies serving Ontario.
  2. October 2026: 8 duplicate listings merged.

More emergency and water damage restoration pages

Emergency water damage restoration companies nearby