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 Los Serranos
Roof repair in Los Serranos usually runs $350 – $1,800 depending on what’s actually failing, and most jobs we handle are done in a single day once we’re on the roof. That’s the straight answer. If you’re on a hillside lot south of the 71 or tucked into one of the older ranch tracts off Pipeline Avenue, you already know this area punishes roofs differently than Chino or Pomona. The clay moves, the winds funnel through the Chino Hills, and tile mortar that looked fine in September cracks by February. When you call Weston Roof Repair at (833) 589-6925, you get a crew that’s opened up enough Los Serranos roofs to know exactly what we’re going to find before we find it.
Key Takeaways:
- Most Los Serranos roof repairs cost between $350 and $1,800, with full replacement running higher.
- We work with seven major roofing manufacturers, so the fix matches your existing roof, not our inventory.
- Free estimates, inspection-first diagnosis, and written approval before any added work.
- Los Serranos’s expansive clay and canyon winds create a repeat failure pattern we know how to address.
Why Weston Roof Repair Is Los Serranos’s Preferred Roof Repair Company
Our Roof Repair team has been crawling across Los Serranos rooftops long enough to recognize the houses by their failure patterns. A 1978 ranch on a flat lot off Canyon Way fails differently than a 2004 stucco tract home up in the hillside subdivisions. Alan Pruett built this company on that kind of diagnosis: figure out what’s actually wrong, tell the homeowner the truth, and fix it without pushing a replacement when a repair does the job. That’s why we carry material knowledge across GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. We recommend what your roof needs, not what a supplier incentivizes us to sell.
Los Serranos homeowners call us because they’ve heard from neighbors that we show up, look hard, and write honest estimates. No scare tactics. No “your whole roof is failing” pitch when the real issue is a failed vent boot and three lifted tiles. When we say a repair will hold, it holds. When we say it won’t, we show you why with photos from the roof itself.
Styles & brands we work with






Storm Damage Roof Repair in Los Serranos
Storm Damage Roof Repair in Los Serranos is what we’re doing most often between January and March, after heavy winter rain swells the expansive clay under the canyon-side tracts and Santa Ana winds funnel through the Chino Hills, peeling ridge caps and loosening fasteners. We respond to these calls with a specific sequence: secure the obvious damage, open only what’s necessary, document everything with photos, and hand you a written scope with line-item pricing before any added work starts. A storm repair on an older Los Serranos home typically runs $600 – $2,400 depending on how many tiles lifted, whether flashing separated at a chimney or skylight, and what the underlayment looks like once we get eyes on it.
Wind-Lifted Tiles and Ridge Caps
Wind damage on the hillside lots south of the 71 tends to concentrate at ridge lines and valley transitions, where gusts accelerate as they spill over the Chino Hills. We reset lifted concrete tile, replace cracked pieces with matching material, and mechanically re-secure the ridge caps so the next wind event doesn’t undo the work. If you hear tiles rattling during a Santa Ana, that’s fasteners failing, and it’s cheaper to address before the next rain exposes the underlayment.
Rain-Driven Flashing Failures
After a heavy winter rain on the clay slopes above Los Serranos, water pushes under lifted tiles and into gaps at chimney, skylight, and valley flashing. We replace the flashing, reset the surrounding tile, and where the decking shows saturation, we cut out the soft section and repair it before reinstalling. This is the repair that nearly always triggers a look at the underlayment, and on homes over 15 years old, we usually find what the rain found first.
Metal Roof Repair in Los Serranos
Metal Roof Repair in Los Serranos is less common than tile or shingle work, but the equestrian-era homes and a fair number of outbuildings in this unincorporated pocket of San Bernardino County still carry standing-seam and corrugated metal roofs that fail at fasteners and laps. A typical metal roof repair here runs $450 – $1,500: resealing laps, replacing gasketed fasteners, re-torquing panel joints, and addressing rust-through at the screw lines. On older metal roofs, the problem is almost never the panel itself. It’s the penetration points and the laps where water sits after a rain.
Fastener and Lap Seal Failures
Los Serranos gets the same hot inland summers as Chino, and that heat cycle expands and contracts metal panels, working fasteners loose and cracking lap sealant. We replace gasketed screws, clean and reseal laps, and treat surface rust before it becomes a through-panel issue. This is maintenance work that extends a metal roof’s life by a decade or more when it’s done before the decking gets wet.
Penetration Leaks on Metal Roofs
Chimneys, plumbing vents, and skylight curbs on metal roofs leak at the boot or the curb flashing long before the field of the roof fails. We pull the old boot, inspect the panel around the penetration, and install the correct boot for the panel profile. On the older metal roofs you find out on the ranchette properties in 91709, this one repair stops a drip that’s been staining ceilings for months.
Trusted Brands We Service in Los Serranos
We work with IKO, Atlas, Tamko, and Boral, along with GAF, CertainTeed, and Owens Corning, so when we repair a roof in Los Serranos, the replacement shingles or tiles match the existing roof in profile, color, and material. That matters on the concrete-tile tract homes where mismatched tiles stand out against the hillside, and on the older ranch homes where the original shake is gone and the right composite replacement needs to look intentional. We keep common sealants, flashing profiles, and fasteners stocked for the brands we service most in the 91709 area, which lets us turn most material-matching repairs around faster than a shop that has to order every piece.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Los Serranos Homes
- Expansive clay heave cracking tile mortar: The soil under the older canyon-side tracts swells after winter rain, shifting roof structure just enough to crack mortar and separate flashing at chimneys and skylights. We see this on nearly every tile roof over 15 years old in the hillside subdivisions.
- Santa Ana wind damage at ridge caps and fasteners: Wind funneling through the Chino Hills peels ridge caps and loosens the nails holding concrete tile, especially on two-story homes with western exposure. The first sign is usually a tile in the yard or a rattle you hear at night.
- Failed underlayment on 1970s-80s ranch homes: The original 30-pound felt under those aging wood-shake and concrete-tile roofs is at or past end of life, and it only shows itself when a repair opens the roof. We plan for this in our estimates and write the added scope before we cut.
- Flashing failures at eaves and valleys: On the flat and low-slope sections common over additions and patios in Los Serranos, water pools and finds the flashing seams. We replace valley metal, re-secure drip edge, and where code now requires ice and water shield, we install it.
Pricing for Roof Repair in Los Serranos, CA
Here’s what you can expect to pay in Los Serranos: a simple shingle replacement runs $350 – $650. Flashing repair at a chimney or skylight typically lands between $500 and $1,200. Valley repairs, especially on the aging ranch homes with failed underlayment, run $900 – $2,400 once decking and membrane work enters the picture. Vent boot replacement is the cheapest serious fix at $250 – $450. Flat roof patches over additions run $600 – $1,800 depending on the membrane. What moves the number is what we find when we open the roof, not what we guess before we get up there. Call (833) 589-6925 and we’ll inspect first, then hand you a written, line-item estimate. No charge for the estimate, no pressure to sign.
We Also Serve Cities Near Los Serranos
Weston Roof Repair covers Los Serranos and the surrounding communities, and we’re doing the same inspection-first, repair-before-replacement work in Los Serranos as we do in Chino, Yorba Linda, Pomona, and Walnut. If you’re close to the county line or just over the hill, you’re still in our service area and we’ll bring the same crew that knows your roof’s failure patterns. Call (833) 589-6925 and we’ll get on the schedule.
Serving Los Serranos, CA — Our Local Coverage Area
We’re based in the Los Serranos 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 Los Serranos
Your roof leaks at the chimney after every heavy rain because the expansive clay under your home swells with winter moisture, shifting the structure just enough to open the flashing seam where the chimney meets the roofline. This is the same pattern we see on nearly every tile roof over 15 years old in the canyon-side tracts, and the fix is to re-flash the chimney and reset the surrounding tile with fresh mortar, not to keep caulking the gap. Call (833) 589-6925 and we’ll diagnose it exactly. Estimates are free.
Yes, in most cases we can repair a 1970s ranch roof in Los Serranos without doing a full replacement, as long as the decking is sound and the failure is localized to flashing, tile, or a discrete section of underlayment. We always inspect first, open only what’s necessary, and if we find decking or underlayment failure that changes the scope, we write the added work for your approval before we proceed. A repair-first approach is how Alan Pruett built this company, and it’s the standard on every job we take in the 91709 area.
A roof repair permit on an older Los Serranos home typically triggers current code requirements for drip edge at the eaves and ice and water shield in valleys and at penetrations, which may not have existed when the roof was originally installed. Since Los Serranos is unincorporated San Bernardino County, the permitting path runs through the county, and we handle the permit application and inspection coordination for you. We factor the code-triggered upgrades into the estimate before work starts, so the price you approve is the price you pay. Call (833) 589-6925 for a free estimate on your specific roof.
We handle tile settling on hillside homes in Los Serranos by first identifying whether the movement is ongoing or seasonal, then repairing the cracked mortar, resetting the shifted tiles, and reinforcing the flashing at the points where the roof moves against the chimney and skylight. On the steep clay slopes, the shift is usually most visible at hip lines and valleys, and we address it there before water finds the gaps. If the settling is severe enough to suggest a structural issue, we’ll tell you that directly and recommend the right next step, not a band-aid.
Yes, we offer metal roof repair for the equestrian-era homes and outbuildings throughout Los Serranos, including standing-seam and corrugated metal profiles common on the older ranchette properties. The usual work is re-sealing laps, replacing failed fasteners, and repairing the boots and flashing at penetrations, and it generally runs $450 – $1,500 depending on how much of the field is involved. Call (833) 589-6925 for a free estimate, and we’ll match the repair to your existing panel profile and finish.
Written by Alan Pruett, Owner at Weston Roof Repair, serving Los Serranos and the surrounding communities.