Riverside and San Bernardino
Water Damage, Mold and Restoration Companies in Ontario, CA
Ontario, CA has 15 restoration and remediation 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.
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All 15 Companies in Ontario
Sorted by distance from the middle of Ontario by default. Use the buttons to sort by reviews or filter by service.
- 1
SERVPRO of Northwest Ontario24/7
Google rating 4.8 from 33 Google reviews
Top Rated 2026
Water DamageMoldFire and SmokeSewageBiohazard
- 2
United Water Restoration Group of Ontario24/7
Google rating 4.9 from 80 Google reviews
Top Rated 2026
Water DamageMoldMold TestingFire and SmokeSewage
- 3
Simple, Inc.24/7
Google rating 5.0 from 13 Google reviews
Highly Rated 2026
Water DamageMoldFire and SmokeStormOdor
- 4
Performance One Restoration
Google rating 1.0 from 1 Google review
Verified Remediation Pro
Water Damage
- 5
Avalon
Google rating 4.0 from 4 Google reviews
Verified Remediation Pro
Water DamageMoldMold TestingFire and Smoke
- 6
Quick Water Restoration Damage Services
Google rating 5.0 from 13 Google reviews
Highly Rated 2026
Water DamageMoldFire and Smoke
- 7
SERVPRO of Northeast Ontario/Kaiser24/7
Google rating 1.0 from 2 Google reviews
Verified Remediation Pro
Water DamageMoldFire and SmokeSewageBiohazard
- 8
Inland Contractors, Inc.
Google rating 4.6 from 9 Google reviews
Verified Remediation Pro
MoldAsbestosLead Paint
- 9
- 10
Dry Masters
Google rating 5.0 from 26 Google reviews
Best in Ontario 2026Top Rated 2026
Water DamageMoldMold Testing
- 11
Xact Construction USA Inc
Google rating 3.0 from 4 Google reviews
Verified Remediation Pro
Water DamageFire and Smoke
- 12
- 13
Water Ontario
Google rating 4.1 from 17 Google reviews
Verified Remediation Pro
Water DamageMoldMold TestingFire and Smoke
- 14
Luba Inc24/7
Google rating 5.0 from 3 Google reviews
Verified Remediation Pro
Water DamageFire and SmokeOdor
- 15
Water Damage Ontario24/7
No public reviews yet
Verified Remediation Pro
Water DamageMoldMold TestingFire and SmokeSewage
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.
| Job | Typical in Ontario | National typical |
|---|---|---|
| Water Damage Restorationper job, a single room of clean water | $1,050 to $3,200 | $1,000 to $3,000 |
| Mold Remediationper job, a typical professional job | $1,600 to $6,400 | $1,500 to $6,000 |
| Mold Inspection and Testingper visit, a visual inspection | $225 to $650 | $200 to $600 |
| Fire and Smoke Damage Restorationper room, light smoke cleaning | $550 to $2,700 | $500 to $2,500 |
| Asbestos Testing and Abatementper job, a single area in a home | $1,300 to $5,300 | $1,200 to $5,000 |
| Lead Paint Testing and Abatementper visit, an XRF inspection of a typical home | $325 to $750 | $300 to $700 |
| Hoarding Cleanupper job, light clutter in a few rooms | $1,050 to $3,200 | $1,000 to $3,000 |
The West End From Ontario to Chino Hills
Many homes here are newer, with water heaters and air handlers in garages and attics. Check drain pans and supply lines once a year. Older homes built before 1978 may have lead paint, so avoid dry sanding during repairs.
Questions People Ask
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Nearby Cities
- Rancho Cucamonga35 · 3.8 mi
- Upland4 · 3.9 mi
- Eastvale1 · 6.3 mi
- Chino5 · 6.3 mi
- Chino Hills9 · 8.0 mi
- Jurupa Valley2 · 8.5 mi
- Norco8 · 8.8 mi
- Fontana18 · 8.8 mi