Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Muscoy
A full roof replacement in Muscoy typically runs $11,500-$19,800 for a standard single-family home with architectural asphalt shingles, with tear-off, decking repair, underlayment, and county permit fees included. We schedule Muscoy tear-offs every week, and our crews know exactly what they’ll find under those late-1940s and 1950s roofs: layered shingles, skip-sheathing that’s given up, and flashing that was never right to begin with. That’s what makes us different from a crew that drives up from San Bernardino and treats Muscoy like just another stop. If you’re considering a Roof Replacement, call (945) 303-9821 and we’ll give you a written price before anyone picks up a tear-off fork.
Muscoy sits unincorporated, which changes how your roof job gets permitted, inspected, and signed off. We’ve pulled enough permits through San Bernardino County Building & Safety to know the inspectors by their criteria, not their names. You shouldn’t have to learn county code on your own. That’s our job.
Why Tilehurst Roofing Is Muscoy’s Preferred Roof Replacement Company
Muscoy homeowners call us after they’ve been burned. Sometimes it’s a repair that lasted one winter. Sometimes it’s a contractor who never showed up for the county inspection or who assumed City of San Bernardino rules applied and stalled the job for two weeks in the county queue. We’ve seen it all, and we run our Muscoy jobs the opposite way: county jurisdiction is planned for from day one, the price is in your hands as a written line-item quote, and the crew arrives when we said they would.
Every Tilehurst Roofing job in Muscoy is backed by the 365-Day Done Right Promise. If our work isn’t right, we return and make it right, at no charge, for a full year after the job. Our technicians are background-checked and uniformed, so you know exactly who’s on your roof. And when you call us at (945) 303-9821, a live person answers: 24 hours a day, 7 days a week. No voicemail, no callback queue, no “we’ll get back to you Monday.”
We’re part of the Kingswell family of roofing companies, founded in 2000, and every Muscoy project runs on The Kingswell Way: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails.
New Roof Installation in Muscoy
A New Roof Installation in Muscoy means replacing the entire roof system down to the decking, not just the shingles: tear-off, underlayment, drip edge, flashing, ridge cap, and new shingles installed to current San Bernardino County wind-uplift standards. Muscoy homeowners need this when their existing roof is past two decades old, has multiple layers already, or has lost shingles in Santa Ana wind events more than once. Most new architectural shingle roofs in Muscoy run $12,000-$18,500, depending on square footage, pitch, and what the decking looks like once we open it up.
Decking assessment before the tear-off
On Muscoy homes built between 1948 and 1965, we assume the decking may need replacement until proven otherwise. Greg Holloway, who leads our crews, insists we inspect from the attic first and write a decking allowance into the contract before we start. That way, the number you signed is the number you pay unless we show you, in writing, exactly what changed and get your approval before touching it.
Architectural shingles built for Cajon Pass wind
We install architectural shingles with a six-nail high-wind pattern as standard on Muscoy roofs. The community sits directly below the Cajon Pass wind corridor, and Santa Ana gusts here peel roofs that would survive fine three miles south. We don’t charge extra for the nailing pattern; we just do it, because we know what happens if we don’t.
Reroofing in Muscoy
Reroofing in Muscoy almost always means tearing off more than one layer of asphalt. Our crews regularly find two or three overlaid re-roofs on original skip-sheathing, with the bottom layer so deteriorated that the whole assembly has to come off. That’s the reality of Muscoy’s housing stock: modest working-class homes from the late 1940s through the 1960s, many with original or once-overlaid low-slope asphalt roofs that were never built for the heat and wind this valley delivers. A reroof in Muscoy typically runs $11,500-$17,000, including decking replacement on the sections that inevitably fail once exposed.
Tear-off and decking replacement
Skip-sheathing is common on Muscoy’s older homes. Those gaps between boards were fine under wood shake a lifetime ago, but they don’t support modern asphalt shingles well, and they’ve usually dried out to the point where fasteners won’t hold. When we find it, we replace the decking with solid plywood or OSB before anything else goes on. It’s not an upsell. It’s the only way the roof will pass inspection and survive the next wind event.
County inspection coordination
Here’s something only local crews understand: pulling a permit in Muscoy means scheduling with San Bernardino County Building & Safety inspectors on county timelines, not the City of San Bernardino’s calendar. The county’s inspection queue can add unexpected days to a project if the contractor doesn’t account for it upfront. We build that buffer into every Muscoy schedule so your job doesn’t sit half-finished waiting on a county inspector who never knew you existed.
Trusted Brands We Service in Muscoy
We install roofing materials from seven major manufacturers, and we don’t push a single house brand. On Muscoy homes, we frequently recommend GAF, Atlas, and CertainTeed architectural shingles for their wind ratings and UV performance, but the choice is yours. Because Muscoy experiences such intense radiant heat, we stock local supplies for Muscoy customers and can often move fast once you approve the quote. You’ll know the brand, the line, and the cost before we order a single bundle. Call (945) 303-9821 and we’ll walk you through what works best on your roofline and why.
Common Roof Replacement Problems We See in Muscoy Homes
- Multiple overlaid asphalt roofs hiding rotted skip-sheathing: Once we pull two or three layers off, the original decking underneath is often dried out beyond saving. Decking replacement stops being optional at that point, and the tear-off scope changes on the spot. We write a decking allowance into every Muscoy contract so the price doesn’t surprise you.
- Pre-code nailing patterns that shed shingles in the first strong wind: Homes roofed before current wind-uplift codes often have four-nail patterns too weak for Cajon Pass gusts. We routinely replace roofs on Muscoy homes that lost architectural shingles within a year of a previous install because someone nailed them to old standards.
- Santa Ana wind-uplift damage concentrated on the north slope: The Cajon Pass channels wind straight into Muscoy’s northern and northeastern roof planes. We inspect those slopes first and install ice and water shield plus a high-wind nailing pattern where the uplift forces hit hardest.
- Subcontractors who pull permits under the wrong jurisdiction: Crews that assume Muscoy falls under the City of San Bernardino’s building department end up stalled in the county inspection queue for days. We file with San Bernardino County Building & Safety from day one, and we schedule inspections the county’s way, not the city’s.
Pricing for Roof Replacement in Muscoy, CA
Here’s what you can expect to pay for a roof replacement in Muscoy. A tear-off and architectural shingle install on a 1,200-1,600 square foot home typically runs $11,500-$15,500. Larger homes or steeper roofs push that to $17,000-$19,800. Decking replacement adds $60-$90 per sheet when the old skip-sheathing fails, which it does on most of Muscoy’s 1950s-era homes. County permit fees and inspection costs are included in our written quote. We give you a line-item price in writing before any work starts, and if the tear-off turns up something we didn’t anticipate, we price it, write it down, and get your approval before we touch it. Call (945) 303-9821 to schedule your free estimate.
We Also Serve Cities Near Muscoy
Our crews work throughout the Inland Empire and beyond, and we regularly take on Muscoy projects alongside jobs in Los Angeles, San Diego, San Jose, and San Francisco. If you own property in a neighboring area and need a roof replacement quote, the same written-price guarantee applies. Dispatch and scheduling are coordinated from our Inland Empire office, and crews serve Muscoy locally.
Serving Muscoy, CA - Our Local Coverage Area
We’re based in the Muscoy 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 Replacement in Muscoy
A roof replacement in Muscoy gets permitted through San Bernardino County Building & Safety, not the City of San Bernardino. Muscoy is unincorporated, so the county handles every permit, inspection, and sign-off. We file county paperwork on your behalf, schedule inspections on county timelines, and handle any code corrections the inspector requires. Call (945) 303-9821 if you want a written quote that includes all county fees.
Muscoy roofs fail faster because the community sits directly below the Cajon Pass wind corridor and inside the San Bernardino Valley’s radiant heat trap. Santa Ana gusts peel shingles off homes that were never nailed to modern wind-uplift standards, while summer temperatures above 105°F degrade dimensional shingles measurably faster than in coastal or even western LA Basin locations. We account for both conditions in every Muscoy roof we install.
When we tear off an old Muscoy roof, we usually find multiple overlaid asphalt layers over original skip-sheathing that has dried out and lost its fastener-holding strength. It’s common to find decking so deteriorated that our tech can push a hammer head through it between rafters. We plan for that with a written decking allowance in your contract, so the discovery doesn’t become an argument mid-job.
We keep your Muscoy roof replacement quote from ballooning by inspecting the attic and roof before we price the job, writing a decking allowance into the contract, and pricing any surprise in writing before we touch it. The number you sign is the number you pay, unless we show you exactly what changed and get your signed approval first. That’s The Kingswell Way, and it’s non-negotiable for us.
The roofing details that matter most on a Muscoy home are a six-nail high-wind pattern, solid decking replacement where skip-sheathing has failed, ice and water shield in valleys and on north slopes, and drip edge installed to current code. These are the details that separate a roof that survives the next Cajon Pass wind event from one that sheds shingles in a year. We install all of them as standard, and we put that in writing.
If your Muscoy roof is showing age, losing shingles, or has multiple layers already, call (945) 303-9821 for a free, written estimate. We’ll walk the roof, inspect the decking, and give you a price that covers everything: tear-off, decking, underlayment, shingles, and county permits. A live person answers, and we’ll schedule your estimate at a time that works for you.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Muscoy and the surrounding Inland Empire.






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