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 runs $350 to $1,800 for most leaks, flashing fixes, and shingle replacement, while emergency tarping or wind-damage repairs land between $475 and $1,400 depending on what the Santa Anas actually tore off. We work throughout 91784 and know exactly what these foothill roofs go through. If water is coming in, call us at (866) 942-0875 and Noel Fierro will walk you through what we’re seeing and what it’ll take to stop it.
San Antonio Heights sits against the San Gabriels, and that changes how roofing is done here. The sun bakes asphalt shingles far harder than it does down in Upland or Rancho Cucamonga flatlands. Santa Ana winds catch every loose ridge cap and drip edge. And because so much of the housing stock dates from the 1950s through 1980s, we’re often the first people to open up a roof section and find what’s been quietly failing underneath it for a decade.
Why Oakmont Roof Repair Is San Antonio Heights’s Preferred Roof Repair Company
We’re a roofing-only contractor. That’s the whole trade, not a side line off a general remodeling business. When a homeowner on Euclid Avenue or a hillside property off Shady Lane calls about a leak, the person who shows up has spent their career on roofs, not split between kitchens and deck additions. Our Roof Repair team handles everything from a single torn shingle to a full valley rebuild, and we carry seven major manufacturers so the fix matches the roof you actually have.
Homeowners in San Antonio Heights tend to ask two things before anyone climbs a ladder. Will you tell me honestly if this is a patch or a replacement? And will the price move once you open it up? Both are fair questions, and we answer them the same way every time: we inspect first, we write the scope in plain English, and any hidden damage gets priced in writing before we touch it. That process matters more here than in newer built-out areas, because the original wood-shake and early composition roofs on 1950s to 1980s homes hide things you cannot see from the ground.
Noel Fierro leads every job, and he’s been clear with the crew since day one: the homeowner gets the truth, even when the truth is that a $600 repair will not fix what’s actually wrong. That’s why San Antonio Heights customers keep our number in their phones.
Styles & brands we work with






Emergency Roof Repair in San Antonio Heights
Emergency Roof Repair in San Antonio Heights usually means one of two things: a Santa Ana wind event ripped a section of roof edge, ridge vent, or a few shingles loose in the middle of the night, or water is actively entering the house after a winter storm rolls off the mountains. In those situations we prioritize San Antonio Heights calls because we know how fast wind-driven damage causes secondary rot once the underlayment is exposed. Typical emergency repairs run $475 to $1,400 depending on the size of the affected area and whether tarping or temporary water mitigation is required before permanent work can happen.
Wind Damage Response
When gusts over 60 mph hit the foothill slopes, the first things to go are drip edge with corroded fasteners, ridge vent that was never strapped properly, and any shingle whose adhesive bond has baked out from years of 100-degree summers. We get up, assess each slope, secure loose material, and give you a written repair scope the same day we arrive.
Leak Control and Tarping
If water is coming through a ceiling, we tarp the affected slope immediately to stop further intrusion. Then we trace the leak to its source, which in San Antonio Heights older homes often turns out to be rusted-out galvanized flashing around a chimney or skylight rather than the shingles themselves. The tarp buys time to price the real repair without rushing.
Flat Roof Repair in San Antonio Heights
Flat Roof Repair in San Antonio Heights is less common than shingle work, but several mid-century ranches and later additions in the area have low-slope sections over patios, carports, or bonus rooms. These flat areas pool water after winter rains, and debris from the foothill oaks and eucalyptus sits there and holds moisture against the membrane. Common fixes include patching punctured modified bitumen or torch-down, re-sealing seams around penetrations, and repairing drain areas. Typical flat roof patches run $500 to $1,600, depending on membrane type and whether we need to remove saturated substrate.
Puncture and Seam Repairs
On a low-slope roof, the failure usually starts at a seam, pipe boot, or drain collar. We clean the area, identify the membrane type, and match the patch material to it. A surface patch alone will fail quickly if the underlying board is wet, so we verify the deck condition before sealing anything.
Drain and Edge Re-sealing
Standing water on a flat section means the drain line or the edge flashing has failed. We rebuild those details with proper stripping in the membrane, sloped so water moves off rather than pooling. On San Antonio Heights properties with tree cover, we also check the scuppers and downspout mouths for accumulated leaf debris that pushes water back under the edge.
Trusted Brands We Service in San Antonio Heights
We carry GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, which means the recommendation we make is driven by your roof and your budget, not by whatever one brand a contractor happens to sell. For San Antonio Heights specifically, GAF and Atlas architectural lines come up often because both offer Class A fire-rated shingle assemblies, and Atlas has a strong wind warranty range that matches what these foothill slopes actually see. If your roof is tile and you would rather patch than replace, we match the tile profile through Boral or the local concrete tile distributor. We stock common repair materials for the 91784 area, so most shingle and flashing repairs go from diagnosis to finished work within days, not weeks.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in San Antonio Heights Homes
- Dry rot concealed under old wood-shake roofs. When a 1960s shake roof near the wildland interface develops a leak in a valley, the original 1×6 skip sheathing underneath is often already soft. What looks like a small repair becomes a redeck once we open it up, and the cost moves accordingly.
- Wind-torn drip edge and starter strip failures. Santa Ana gusts find any edge metal whose fasteners have corroded over 40 or 50 years. The shingles above stay put while the drip edge lifts and water enters at the eaves, usually showing up as paint bubbling on the fascia or a wet spot on a bedroom ceiling.
- Rusted flashing around chimneys and skylights. The original galvanized flashing on a 1970s home in San Antonio Heights is usually past its useful life. Winter rains drive water behind it, and the leak travels along a rafter for several feet before it stains the drywall, which means the visible wet spot is rarely where the hole actually is.
- Wildfire ember damage to plastic or unprotected vents. Homes near the foothill wildland interface often have older plastic or wide-mesh vents that let embers in. During fire season we get calls to replace those with ember-resistant metal vents, and that upgrade is often required as part of the repair permit.
Pricing for Roof Repair in San Antonio Heights, CA
Shingle replacement on a small, accessible slope typically runs $450 to $900 in San Antonio Heights. Flashing repairs around a chimney or skylight run $600 to $1,500 depending on whether we are replacing the metal or just re-sealing it. Valley rebuilds with new underlayment and shingles run $1,200 to $2,400. Flat roof patches run $500 to $1,600. Emergency tarping and wind-damage stabilization runs $475 to $1,400. The biggest cost swing on older San Antonio Heights homes is hidden decking damage: if we open a valley and the sheathing is rotted, a redeck adds material and labor that no estimate can honestly predict from the ground. That’s why we give you a written scope with allowances for realistic unknowns, and every allowance gets priced and approved before we cut anything.
Call (866) 942-0875 and we’ll schedule a free inspection and give you a line-item written quote.
We Also Serve Cities Near San Antonio Heights
Our crews work throughout the foothill corridor and the flatlands below, so if you live in Upland, Claremont, Rancho Cucamonga, or Montclair, the same roofing-only team can help. We coordinate Roof Repair in San Antonio Heights alongside those neighboring cities every week, so scheduling is straightforward and the pricing stays consistent across the area.
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
In San Antonio Heights, a repair permit is generally required when the work involves structural decking, a change to the roof covering system, or re-roofing of more than a small patch, and if your home sits near the wildland interface, the county often requires Class A fire-rated materials and ember-resistant vents as part of that permit even when the original job was just a leak repair. We handle the permit paperwork, and we’ll tell you before we open anything which code requirements are likely to apply to your property. Call (866) 942-0875 and we’ll check your specific address against county requirements.
In most cases we can repair the leaking area and buy you time, but on 1970s shake roofs in San Antonio Heights, the shakes are usually end-of-life and the decking beneath the leak is already soft. We’ll inspect first, give you the honest condition assessment, and if a replacement is the right move we’ll quote it with real material choices across multiple brands rather than pushing a single line. Call (866) 942-0875 for a free inspection and you’ll know exactly where your roof stands.
We start with a thorough inspection, including walking the roof and checking the attic, then we write the repair scope with allowances for realistic unknowns like rotted decking, damaged framing, or old flashing that must be replaced to pass code. Nothing gets replaced without your approval, and any hidden damage we find is priced and explained in writing before we proceed. On a 1962 ranch off Shady Lane, we opened a water-damaged valley and found the original skip sheathing had dry-rotted under a failing wood-shake roof; we replaced the decking, added ice and water shield in the valleys, installed new GAF architectural shingles with a Class A assembly, and upgraded the vents to ember-resistant models, all priced in writing before the first cut.
The critical flashing details in San Antonio Heights are chimney and skylight step flashing, valley metal, and drip edge at the eaves, because Santa Ana winds push rain sideways and winter storms funnel off the San Gabriels directly onto these foothill slopes. We re-seal or replace flashing with corrosion-resistant metal and verify that the underlayment behind it is still intact, since a flashing repair that fails to address rotted underlayment will leak again within one season. Call (866) 942-0875 and we’ll inspect your flashing as part of a free estimate.
Yes, we carry GAF, CertainTeed, and Owens Corning lines that include Class A fire-rated shingle assemblies, and we install the brand and product line that matches your home’s exposure and the county’s requirements for the wildland interface, not just whatever is in stock. GAF and Atlas architectural shingles are common choices here because they combine strong wind warranty ranges with the fire-resistance ratings these foothill slopes demand. Call (866) 942-0875 and we’ll show you the actual options and real prices for your roof.
Written by Noel Fierro, Owner at Oakmont Roof Repair, serving San Antonio Heights and the surrounding foothill communities.