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Ontario, CA

Water Damage Restoration in Ontario, CA

Ontario, CA has 13 water damage restoration companies in our listings, 6 list themselves as open 24 hours and the most reviewed is United Water Restoration Group of Ontario with 80 reviews.

13 Companies Doing Water Damage Work in Ontario

  1. 1

    SERVPRO of Northwest Ontario24/7

    Service area business · Ontario 0.4 mi

    Google rating 4.8 from 33 Google reviews

    Top Rated 2026

    Water DamageMoldFire and SmokeSewageBiohazard

  2. 2

    United Water Restoration Group of Ontario24/7

    2125 S Hellman Ave #G · Ontario 1.0 mi

    Google rating 4.9 from 80 Google reviews

    Top Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  3. 3

    Simple, Inc.24/7

    2131 S Hellman Ave Ste b · Ontario 1.0 mi

    Google rating 5.0 from 13 Google reviews

    Highly Rated 2026

    Water DamageMoldFire and SmokeStormOdor

  4. 4

    Performance One Restoration

    Service area business · Ontario 1.1 mi

    Google rating 1.0 from 1 Google review

    Verified Remediation Pro

    Water Damage

  5. 5

    Avalon

    1719 S Grove Ave # A · Ontario 1.5 mi

    Google rating 4.0 from 4 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and Smoke

  6. 6

    Quick Water Restoration Damage Services

    3281 E Guasti Rd · Ontario 1.6 mi

    Google rating 5.0 from 13 Google reviews

    Highly Rated 2026

    Water DamageMoldFire and Smoke

  7. 7

    SERVPRO of Northeast Ontario/Kaiser24/7

    2910 S Archibald Ave Ste A-346 · Ontario 2.1 mi

    Google rating 1.0 from 2 Google reviews

    Verified Remediation Pro

    Water DamageMoldFire and SmokeSewageBiohazard

  8. 8

    Dry Masters

    112 S Euclid Ave Ste 219 · Ontario 3.0 mi

    Google rating 5.0 from 26 Google reviews

    Best in Ontario 2026Top Rated 2026

    Water DamageMoldMold Testing

  9. 9

    Xact Construction USA Inc

    633 W State St Unit E · Ontario 3.4 mi

    Google rating 3.0 from 4 Google reviews

    Verified Remediation Pro

    Water DamageFire and Smoke

  10. 10

    Beavers Plumbing & Rooter

    557 W D St · Ontario 3.5 mi

    Google rating 5.0 from 10 Google reviews

    Highly Rated 2026

    Water Damage

  11. 11

    Water Ontario

    910 W Phillips St · Ontario 3.7 mi

    Google rating 4.1 from 17 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and Smoke

  12. 12

    Luba Inc24/7

    1665 S Palmetto Ave · Ontario 3.8 mi

    Google rating 5.0 from 3 Google reviews

    Verified Remediation Pro

    Water DamageFire and SmokeOdor

  13. 13

    Water Damage Ontario24/7

    1800 S Vintage Ave · Ontario 3.9 mi

    No public reviews yet

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

Can You Handle It Yourself

DIY with care

A small, clean water spill caught early is a fair DIY job with a wet vacuum, fans and a rented dehumidifier. Once water has soaked carpet pad, run under flooring or sat inside a wall for a day, you need moisture meters and commercial drying equipment to know when it is really dry.

Read the step by step guide

What It Costs Around Ontario

Prices in the Riverside-San Bernardino-Ontario, CA area run about 6 percent above the national average, so local jobs tend to cost more than the national figures.

JobTypical in OntarioNational typical
Water Damage Restorationper job, a single room of clean water$1,050 to $3,200$1,000 to $3,000
Water Damage Restorationper job, a typical drying job$1,400 to $6,400$1,300 to $6,000

Full Riverside and San Bernardino cost guide

Questions to Ask Before You Hire

  1. Do you take moisture readings every day and will you give me the drying log?
  2. Are your technicians certified in water damage restoration?
  3. Will you photograph the damage before you remove anything?
  4. Which materials do you plan to remove, and why can they not be dried in place?
  5. Do you bill my insurance directly, and what will I owe if the claim is denied?

Guides for This Job

Questions People Ask

How many water damage restoration companies serve Ontario?
We list 13 companies in Ontario, CA. 2 of them work from a service area without a public storefront.
Which water damage restoration companies in Ontario are open 24 hours?
6 list themselves as open around the clock, including United Water Restoration Group of Ontario, SERVPRO of Northwest Ontario and Simple, Inc.. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Ontario?
Among companies with at least 20 public reviews, the highest rated are Dry Masters (5.0 from 26), United Water Restoration Group of Ontario (4.9 from 80) and SERVPRO of Northwest Ontario (4.8 from 33). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.
What should I do before a company arrives in Ontario?
Stop the source if you safely can, shut off power to wet areas at the panel only if you are standing somewhere dry, photograph everything, and move valuables out of the water. Our step by step guide covers the first hours in detail.

All restoration companies in Ontario · Water Damage Restoration in every market

Where We Look

Restoration Companies in Ontario, CA

Compare local restoration and remediation specialists around Ontario, CA