Roof Replacement in Ontario, CA

Looking for roof replacement in Ontario, CA? Call RoofRepair Pros for a contact a provider — no obligation. Licensed roofers serve Ontario and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

Need help right now? If you have an active leak or storm damage, stay calm. Water can cause significant interior damage if left unchecked, so it is important to address the situation immediately. Do not wait for the next rainfall to make the problem worse. Call us now and we will have your request routed to a professional in seconds. Licensed, independent service providers serve your area — call now for a contact a provider. (479) 888-5736

What affects the price

Roof repair costs depend on several specific factors. The size of the damaged area is the biggest variable, along with the accessibility of your roof and the pitch or steepness involved. We also look at the underlying materials—like whether you have standard asphalt shingles, metal, or tile—and the complexity of the flashing around chimneys or vents. If the wood decking underneath is rotted or damaged, that adds to the labor and material needs. We provide exact pricing confirmed free on the call.

About this service

A full roof replacement involves removing your old, failing materials and installing a brand-new roof system. You typically need this when your current roof has widespread leaks, major structural damage, or has simply reached the end of its lifespan. Replacing the entire structure ensures your home stays dry and protected for years to come. The final cost depends on the size of your roof, the materials you choose, and the complexity of your home's design. Exact pricing confirmed free on the call.

Summer heat is the best time for roofing work because materials are more flexible, allowing for a better seal. If your roof sustained damage during the previous storm season, now is the time to fix it before the humidity and afternoon thunderstorms return. Professional repairs during these months are efficient and reliable. Contact us to speak with a local expert about getting your roof back into top condition.

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Also serving nearby: Chino · Rancho Cucamonga · Jurupa Valley · Pomona · Fontana

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More on this: NOAA storm data — hail and wind event history.

Service area details

182,457residents

3,650per sq mile

4ZIP codes served

Serving all of Ontario — population 182,457; about 3,650 residents per square mile across 50.0 sq mi. ZIP codes covered include 91758, 91761, 91762, 91764.

Neighborhoods served in Ontario: Central Ontario, West Ontario, East Ontario, Downtown Ontario, North Ontario — and every surrounding area.