Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across Ontario
Roof repair in Ontario runs $285 to $1,400 for most tile resets, shingle replacements, and flashing fixes, with full valley rebuilds and dry-rot repairs landing between $900 and $2,800 depending on decking damage. Hawk Roof Repair serves every Ontario neighborhood, from the Montclair tract grids to Ontario Ranch, usually with same-week scheduling and a written scope before any work starts.
We know what this city’s roofs deal with. Sixty years of Inland Empire sun, Santa Ana wind events, and HOA rules that demand exact tile matches. Call (877) 731-1384 and we’ll put eyes on it, document what we find, and give you straight numbers.
Why Hawk Roof Repair Is Ontario’s Preferred Roof Repair Company
Our Roof Repair team has walked hundreds of Ontario rooftops. The tract homes off Euclid Avenue, the stucco singles north of the 10, the newer builds in Ontario Ranch. What we’ve learned: most Ontario roofs don’t fail dramatically. They fail quietly, under the tile, where nobody looks.
Noel Ibarra runs our inspections personally where scheduling allows. His approach is the same on every job: document first, price second, sell third. Ontario homeowners call us because they want a roofer who tells them the felt is shot before the ceiling stains show up, not after.
We don’t lock you into one shingle brand. We work with GAF, CertainTeed, and Boral, among others, so the repair matches your roof, your HOA’s requirements, and your budget. That matters in a city where a wrong-color tile lot can stall a permit review.
Styles & brands we work with
Metal Roof Repair in Ontario
Metal Roof Repair in Ontario is less common than tile work but we see enough of it on patio covers, carports, and a handful of full metal residential roofs in the Ontario Ranch area that we keep the common seam tapes, closure strips, and fasteners on hand. Most metal repairs here involve loose or missing fasteners, failed lap sealant at panel seams, and wind-lifted flashing at the eave line. Expect $350 to $950 for typical seam reseals and fastener replacement, and up to $1,800 when a panel needs to be cut out and replaced.
Seam and Fastener Failures
Santa Ana wind cycles work metal panels back and forth at the fasteners. Over time the neoprene washers compress, the screws back out slightly, and water wicks in around the threads. On Ontario homes near the foothills in San Antonio Heights, we find more windward-side fastener loosening than anywhere else in the city.
Flashing and Termination Repairs
Where the metal roof dies into a stucco wall or a chimney, the termination flashing takes the brunt of thermal movement. If the sealant has cracked and the metal has pulled away, we strip it, re-bed the flashing, and mechanically secure it so it holds through the next hot-cold cycle. This runs $400 to $1,100 depending on the run length.
Commercial Roof Repair in Ontario
Commercial Roof Repair in Ontario mostly means low-slope modified bitumen or TPO on the industrial buildings off Vineyard Avenue and the retail strips along Holt Boulevard. These roofs fail at the seams after years of 100-plus degree afternoons bake the membrane. We handle the inspection first, then quote the repair as a fixed scope with a written price before ordering materials. Typical commercial patching and seam work in Ontario runs $750 to $3,500 depending on the membrane type and the square footage involved.
Flat Roof Patch and Membrane Repair
Ponding water on a flat roof in Ontario is a slow killer. Where water sits, the membrane degrades faster and eventually splits. We identify the low spots, patch the membrane, and if the ponding is structural we tell you outright. A flat roof patch runs $450 to $1,200 for most Ontario commercial buildings.
Penetration and Curb Sealing
HVAC curbs, vent stacks, and conduit penetrations are where commercial flat roofs leak first. The pitch pockets and metal curb flashings dry out, crack, and pull away from the pipe. We re-flash and reseal these for $500 to $1,800 depending on how many penetrations need work and whether the metal itself is still sound.
Trusted Brands We Service in Ontario
We stock common repair materials for the tile and shingle roofs that dominate Ontario. That includes Tamko and GAF shingles in the most common Ontario tract colors, plus CertainTeed underlayment for the barrel-tile homes where the felt has baked out. When your HOA requires a specific tile profile or shingle color, we source it fast, not “whenever the supplier gets around to it.” Keeping local stock means a Montclair homeowner with a lifted ridge tile on a Tuesday isn’t waiting three weeks for a match.
Common Roof Repair Problems We See in Ontario Homes
- Baked-out underlayment under intact tile. The barrel tile on a 1960s Rancho Cucamonga-adjacent tract home looks fine from the curb, but the felt underneath is brittle and torn. Leaks only show when a real winter storm pushes water through cracked tile onto dead paper.
- Santa Ana wind uplift on loose shingles. The dense single-story grids around Mission Boulevard and the 10 see fall wind events that lift poorly-nailed shingles. One failed field shingle becomes the entry point for the rain that follows the wind.
- Dry-rot at valleys and eaves. Homes built in the 1970s and early 1980s with original decking are at the age where valley flashing fails and the plywood underneath goes soft. We find this on a large share of repairs we scope in the older Ontario tracts.
- HOA-driven tile matching problems. In Montclair and central Ontario, the HOA requires matching tile profile, color, and sometimes brand. We document the existing tile, verify what’s actually available, and write the scope so the HOA review doesn’t stall the job.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Repair in Ontario, CA
Here’s what a typical Ontario repair looks like by line item. A shingle replacement runs $285 to $650 for a small field repair, and $700 to $1,500 when we’re tearing off a full slope and re-laying it. Leak repair typically lands between $350 and $900 once we’ve traced the water to its actual entry point. Flashing repair at a chimney or wall transition runs $450 to $1,200. A flat roof patch sits between $450 and $1,200. Vent boot replacement is $250 to $500 each. Valley repair with new felt and underlayment work is $900 to $2,800 depending on decking condition. We price everything in writing before ordering materials, and the number you sign is the number you pay.
We Also Serve Cities Near Ontario
Hawk Roof Repair handles tile and shingle repairs across the surrounding Inland Empire communities, including Montclair, Upland, Chino, and San Antonio Heights. If you’re outside the Ontario core and wondering if we cover your street, call us. Most of our Roof Repair in Ontario call range stretches a 20-minute radius, and we’ll tell you straight if we can get there.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Roof Repair in Ontario
Because the tile isn’t the waterproof layer, the felt underlayment is. Winter leaks on intact-looking tile almost always trace to baked-out felt. The tile keeps the sun off the felt, but decades of 100-degree heat still cook it. When the felt cracks and tears, the first heavy rain finds the gaps. Call (877) 731-1384 and we’ll lift the suspect tiles and show you what’s underneath before we quote anything.
Yes. We pull a sample from your roof, document the profile and color against the manufacturer’s current catalog, and write the exact tile specification into the repair scope before submitting to your HOA. Most Montclair and Ontario tract HOAs approve once they see the spec sheet. We’ve done enough of these to know what gets kicked back and why.
We inspect the roof, document what we find, and give you a written line-item scope with a fixed price. That price includes materials, labor, and any needed permits. We don’t do open-ended time-and-materials on repair work. You’ll know the number before anything gets ordered.
Look for shingles that are no longer flat against the deck, lifted ridge tiles, and displaced flashing at the eaves and gable ends. In the dense single-story tracts around Vineyard and Euclid, wind damage often starts at the corners of the house. One loose shingle becomes a tear once the next gust catches it. If you can see daylight under a tile from the ground, call (877) 731-1384.
Yes, and we find it on a large share of the older tract homes we inspect. The typical repair involves pulling tile, cutting out the soft decking, sistering new plywood, re-felting, and resetting the tile to match. Costs run $900 to $2,800 depending on how far the rot extends into the deck. We scope it in writing before we start cutting.
Inspection First. Every Time.
One of the things Ontario homeowners appreciate about Hawk Roof Repair is that we inspect first, document what we find, and hand you a scope before any conversation about selling a new roof. Noel Ibarra’s rule is simple: no ladder-top sales pitch. You get the facts on your roof, in writing, and you decide what to do with them. If a repair will buy you five more years, we’ll say so. If the decking is shot and a patch won’t hold, we’ll say that too, and we’ll show you the photos.
Call for a Free Estimate in Ontario
If you’ve got a stain spreading on the ceiling, tiles lifted after the last Santa Ana, or just a roof approaching 30 years old with no recent inspection, call Hawk Roof Repair at (877) 731-1384. We’ll schedule a roof inspection in Ontario, document what’s actually happening up there, and give you a written estimate for the repair, no pressure and no vague pricing. Call today and let’s get eyes on it.
Written by Noel Ibarra, Owner at Hawk Roof Repair, serving Ontario and the surrounding Inland Empire.