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Roof Repair in Ontario, CA

Licensed & insured roofing in Southern California. Free estimates. Workmanship guarantee.

Roof Repair in Ontario, CA

If you are searching for expert Roof Repair in Ontario, CA, American Highland Roofing is the licensed and insured contractor trusted throughout San Bernardino County. A roof leak that goes untreated can cause mold, structural rot, and interior damage that costs far more to fix than the original repair. American Highland Roofing provides accurate, lasting roof repair services with no guesswork and no upselling.

How We Work in Ontario

Our repair crews use systematic water-tracing techniques to find the true entry point — not just the visible ceiling stain. We document the damage with photographs, explain exactly what we found, and give you a written estimate before touching anything. Ontario’s booming Ontario Ranch master-planned community has produced thousands of new tile-roof homes requiring maintenance and occasional repair. We are familiar with the HOA standards in these communities and the specific tile profiles used by regional builders.

What Is Included

  • Leak detection & water source tracing
  • Shingle & tile replacement
  • Flashing repair & re-sealing around vents, chimneys, and skylights
  • Storm & wind damage repair
  • Valley and ridge repair
  • Fascia and soffit repair where water has caused rot

Why Ontario Homeowners Choose American Highland Roofing

  • Licensed C-39 Contractor — California license verifiable at cslb.ca.gov. We pull all permits and meet California building code on every project.
  • Fully Insured — general liability and workers’ compensation coverage on every job. You are protected if anything unexpected happens on your property.
  • Written, Itemized Estimates — no verbal quotes. You receive a photo-documented written estimate with line-item pricing before we start any work.
  • Workmanship Guarantee — backed by our written guarantee plus manufacturer material warranties delivered before work begins.

Frequently Asked Questions

How do I know if I need a roof repair or full replacement?

If damage is isolated to one area, a repair is usually sufficient. If more than 30% of the roof is affected, or if the roof is over 20 years old (shingles) or 40 years old (tile), replacement is often the smarter long-term investment. We assess this honestly at no charge.

How long does a roof repair take?

Most residential repairs take one to four hours. Larger repairs involving flashing replacement, valley work, or widespread shingle damage can run a full day. We always give you a time estimate before starting.

Can you repair a roof while it's raining?

Minor emergency tarping can be done in rain to stop active water intrusion. Permanent repairs — shingle replacement, flashing work, re-sealing — require dry conditions for proper adhesion and safety.

Will my homeowner's insurance cover roof repairs?

Insurance typically covers storm damage, wind, hail, and falling debris. Normal wear and tear is excluded. We provide detailed written documentation of damage that helps support your claim.

How much does a roof repair cost in Southern California?

Minor repairs (a few missing shingles, a resealed vent) typically range from $350–$700. Moderate repairs (flashing, small sections) run $700–$1,800. Larger structural repairs can reach $2,500–$4,000. We provide written estimates before touching anything.

Serving Ontario Ranch, Creekside, and Park Place and all of Ontario. Call (951) 463-1512 or request a free estimate online.