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 San Antonio Heights
Roof repair in San Antonio Heights costs $450 – $1,800 for most jobs, with leak repairs starting around $450 and full flashing or valley rebuilds running higher on complex foothill roof lines. We’re Ridge Cap Roof Repair, and we work throughout 91784 from the Euclid Avenue corridor up into the hillside custom homes. If you’ve spotted a ceiling stain, lifted tiles after a Santa Ana wind event, or crumbling flashing along a valley, call (866) 361-0798 and we’ll send a roofer who knows this terrain.
San Antonio Heights isn’t a tract-home market. The streets climb, the lots slope, and the roofs were built between the 1950s and the 1980s in ways that demand a roofer who reads the whole assembly, not just the shingle surface. We inspect before we recommend, and we don’t pad a quote with work your roof doesn’t need. From the ridge cap down, we look at what’s actually failing, what’s likely to fail next, and what your insurance carrier will want documented.
Why Ridge Cap Roof Repair Is San Antonio Heights’s Preferred Roof Repair Company
We built our reputation in the Inland Empire foothills on being straight about repair versus replacement. Homeowners here don’t want a sales pitch. They want a roofer who’ll tell them whether the cracked tile valley can be reset for $800 or whether the underlayment beneath it has failed and needs a $2,400 rebuild. That’s the conversation we have every week with San Antonio Heights homeowners.
Noel Cardenas leads every inspection and repair. The crew that walks your roof is the same crew that fixes it. Nothing gets handed to a subcontractor who’s never seen the property. When a homeowner on Almond Street or along San Antonio Avenue calls with a leak, they get a straight answer on what it’ll take, what it’ll cost, and how long the repair will hold.
We don’t publish a response time because we won’t promise what traffic on Euclid or the 210 doesn’t allow. What we do promise is that we schedule San Antonio Heights jobs every week, we bring the materials we actually need, and we don’t leave a roof half-finished because we underbid the job.
Styles & brands we work with






Metal Roof Repair in San Antonio Heights
Metal Roof Repair in San Antonio Heights typically runs $600 – $2,200 depending on whether we’re replacing a handful of fasteners with failed neoprene washers, resetting a wind-lifted panel, or rebuilding a penetration. Standing seam and corrugated metal roofs aren’t the majority here, but we see them on custom hillside homes and on newer additions where homeowners wanted fire resistance. The failure points are almost always the same: fasteners backing out under thermal expansion, seams separating at the ridge, and screw holes that become leaks when the rubber washers dry out from intense UV exposure.
Fastener and Seam Work
Santa Ana winds pull on metal panels in ways flat terrain never sees. We check every fastener along the windward slope, not just where the homeowner saw the leak. A loose fastener at the eave can channel water twenty feet uphill. We remove the failed fastener, inspect the substrate for rot, and replace it with a properly sized screw and a fresh EPDM washer rated for this climate.
Penetration Flashing on Metal Roofs
Vent pipes, exhaust flues, and electrical masts punch through metal roofs and become the first point of failure. In San Antonio Heights, the UV load dries out sealant faster than most manufacturers expect. We re-flash these with materials matched to the existing metal profile, and we quote a fixed price before we start.
Commercial Roof Repair in San Antonio Heights
Commercial Roof Repair in San Antonio Heights starts around $800 for a small leak repair and ranges up to $6,500+ for a full section of modified bitumen or TPO work on a larger flat roof. The commercial stock here is modest but real: small office buildings along Mount Baldy Road, multi-unit residential properties, and mixed-use structures near the Upland border. These roofs fail at parapets, drains, and seams long before the field membrane does.
Membrane and Seam Repairs
Flat and low-slope commercial roofs in the foothills take a beating from UV, and the heat load on a black TPO or mod bitumen roof in July is brutal. We find seams that have opened from thermal cycling and patch them with compatible material. The repair has to be clean and dry at the seam level. We don’t overlay new membrane over saturated insulation and call it fixed.
Drainage and Ponding Correction
Clogged drains and ponding water are the most common commercial roofing failure mode we see. Standing water on a flat roof for more than 48 hours in this heat accelerates membrane breakdown and invites leaks. We clear drains, identify low spots, and repair the roof to move water off the building. If the repair won’t correct the ponding, we tell you before we start, not after.
Trusted Brands We Service in San Antonio Heights
The right material for your roof isn’t whatever we have in the yard. We work across seven roofing manufacturers, and on San Antonio Heights repair jobs we regularly source from Owens Corning for asphalt shingle matches, IKO for mid-weight shingle options, and Atlas for fire-rated underlayments and accessories. If your existing roof is a certain manufacturer, we’ll match it. If it makes no sense to match and a better material fits the Assembly’s fire-rating needs, we’ll tell you that too. Seven manufacturers. One crew. And because we stock common repair materials locally and source fast, we don’t keep your roof open longer than it needs to be.
See the difference
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After
Before
After
Before
AfterCommon Roof Repair Problems We See in San Antonio Heights Homes
- Failed underlayment under concrete tile: Homes built from the 1950s through the 1980s often still have the original asphalt-saturated underlayment beneath concrete tile. In this heat it dries out and cracks, and by the time water comes through a ceiling, the underlayment has been gone for years. We see this constantly on Euclid-adjacent ranches and the hillside customs off 24th Street.
- Wind-lifted flashing at ridges and drip edges: Santa Ana winds push under ridge caps and drip edges, working nails loose and prying flashing away from the roof deck. Water doesn’t need a visible hole. It needs a gap the width of a credit card. We re-secure and seal these before they become interior damage.
- Wood shake roofs acting as ember traps: Original wood shake roofs from the 1960s and 70s are common in this foothill community, and they’re a genuine fire liability in the Very High Fire Hazard Severity Zone. Repairs on these often trigger the conversation about Class A coverings and fire-rated underlayments because the insurance carrier will ask for the documentation.
- Valley failures at add-on sections: Many homes here were added onto over decades: a flat-roof bedroom wing here, an enclosed patio there. The valley where the original roof meets the addition is a classic leak point, often because the original flashing was never done correctly. We rebuild those valleys with fire-rated ice and water shield and new metal flashing so they drain clean.
Pricing for Roof Repair in San Antonio Heights, CA
Here’s what we bill on typical San Antonio Heights jobs:
- Leak repair and localized patching: $450 – $900
- Shingle replacement (small area): $400 – $1,000
- Flashing repair at walls, chimneys, or valleys: $600 – $1,800
- Valley rebuild with new underlayment: $1,200 – $2,400
- Flat roof patch on a residential or small commercial addition: $800 – $2,500
- Metal roof fastener and seam corrections: $600 – $2,200
- Wood shake repair with fire-rated underlayment added: $900 – $3,000
What moves the number is access, pitch, and what we find once the surface comes off. A steep hillside roof with a 7/12 pitch and no staging area runs more than a single-story ranch on a flat lot. Fire-rated underlayment adds to material cost, and we won’t skip it on a roof in this fire zone. Every quote is fixed in writing before we order materials. If the scope changes, we tell you before any added dollar gets spent. Call (866) 361-0798 to schedule a free repair estimate.
We Also Serve Cities Near San Antonio Heights
Our Roof Repair crews work throughout the eastern San Gabriel foothills and the Inland Empire. Beyond San Antonio Heights, we regularly schedule repairs in Upland, Claremont, Rancho Cucamonga, and Montclair. Same standards on every job: inspect first, quote fixed, document everything the insurance carrier needs.
Serving San Antonio Heights, CA — Our Local Coverage Area
We’re based in the San Antonio Heights 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 San Antonio Heights
Yes, in most cases. San Antonio Heights sits in a Very High Fire Hazard Severity Zone, so any repair that opens the roof assembly triggers the question of whether the underlayment and covering meet current fire-hardening standards. Even a small patch on an older roof may need fire-rated ice and water shield and ember-resistant vents because your carrier will ask for documentation of the assembly. We provide a signed documentation package on every job where fire-rated materials are installed. Call (866) 361-0798 for an exact quote on what your repair requires.
We stage properly and work slowly enough to avoid damaging concrete tile or the existing roof surface. Steep lots with add-on sections and multiple valleys take longer to inspect and longer to repair. We don’t rush the walk. We photograph everything, mark the failure points, and give you a fixed quote that accounts for the access challenges before we start. The estimate is free.
Yes. We re-secure wind-lifted panels, replace failed fasteners and EPDM washers, and rebuild seams that have opened along the ridge. Metal roof wind damage in San Antonio Heights usually shows up as a flapping sound or a visible panel lifted at the edge. We’ll inspect the entire windward slope, not just the visible damage, and quote a fixed price for the full correction.
We repair and match products from seven manufacturers, including Owens Corning, IKO, and Atlas on most San Antonio Heights jobs. We’re not tied to a single brand’s product line or warranty tier. Our material selection is driven by your existing roof, the fire-rating your assembly needs, and your budget. The right material for your roof, not the right material for our inventory.
The cost is set by access, roof pitch, material type, and the condition of the underlying decking. A simple shingle patch on a single-story ranch runs $450 – $900. A valley rebuild with fire-rated underlayment on a steep hillside custom runs $1,200 – $2,400 or more. We fix every price in writing before ordering materials, and we don’t change the number after the job starts unless the scope changes and you approve it in advance. Call (866) 361-0798 for an exact quote on your roof.
Written by Noel Cardenas, Owner at Ridge Cap Roof Repair, serving San Antonio Heights and the surrounding foothill communities.