Roofers in Ontario, CA
18 roofers listed in Ontario, California. 18 with a phone number and 13 with a website.
Ontario accounts for 1% of the roofers listed in California and ranks #36 among California cities for roofers.
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Quick answer
Ontario, CA has 18 roofers listed on USA Business Search. 18 list a phone number and 13 list a website. The most listings are in ZIP codes 91761, 91762, 91764.
Updated October 2026Ontario Roofing
B & M Roofing
Legend Construction Services Inc.
Central Roofing Company Ontario
Emmons Roof Service, Inc.
Byars Roofing Co Inc
CRS Commercial
Custom Auto Upholstery Classic Cars
Empire Roofing Co
Micasa Roofing
Myco Construction
Myco Construction Inc
Next Level Construction Inc
ReHome Solutions
Roof Resources inc
Roof Rx
Roofing Resources
How to choose a roofer in Ontario
- Ask for the manufacturer warranty and the workmanship warranty in writing.
- Be careful with door-to-door storm chasers after hail or wind.
- Ask who handles the permit and the final inspection.
Check the license: Contractors State License Board (CSLB). In California, most home improvement work above the state's small-job limit requires a CSLB license. Look the number up before you sign, and check that it is active and bonded.
Common questions
How many roofers are listed in Ontario, California?
USA Business Search shows 18 roofers in Ontario. 18 list a phone number and 13 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 91761, 91762, 91764.
How do I choose a roofer in Ontario?
Ask for the manufacturer warranty and the workmanship warranty in writing. Be careful with door-to-door storm chasers after hail or wind. Check the license with the Contractors State License Board (CSLB).
How do roofers in Ontario compare with the rest of California?
Ontario has 1% of the 3,044 roofers listed in California, which ranks #36 among California cities for this category.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
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