Metal roofing
Architectural shingles
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 Installation Across Sylmar
Roof installation in Sylmar runs anywhere from $9,400 on a smaller ranch home to $34,000 and up for a hillside property with clay tile and a steep 7/12 pitch. Most tear-off and re-roofs on the 1950s-1970s ranch stock land between $12,000 and $19,000 with architectural asphalt shingles. That’s the real range you should expect before you pick up the phone. We serve all of Sylmar, from the flats off San Fernando Road up to the canyon lots near Lopez Canyon and Sayre Street. Call (661) 219-7793 for a written line-item quote before any work begins.
Why Crestview Roofing Co Santa Clarita Is Sylmar’s Preferred Roof Installation Company
We build roofs for the specific conditions Sylmar throws at a house: summer highs that bake shingles past 100°F, Santa Ana gusts that peel back starter strip, and county fire codes that demand Class A assemblies on every acreage parcel. Dylan Pace and our crews know the difference between a flat-land ranch re-roof near Hubbard Street and a hillside replacement off Lopez Canyon Road where the dumpster placement changes the whole project plan. You’ll get a written price before we start, photo documentation before and after, and a live trackable arrival time so you know exactly who’s rolling up your driveway. Every installation carries our 365-Day Done Right Promise in writing.
Styles & brands we work with






Shingle Roof in Sylmar
Shingle roof installation in Sylmar is our most common job, but the heat and wind conditions here change how we install compared to the rest of the San Fernando Valley. A typical tear-off and re-roof with GAF Timberline HDZ architectural shingles on a 1,600-square-foot Sylmar ranch runs $12,000 to $19,000, including new underlayment, starter strip, flashing, and haul-away. The price moves based on decking condition, roof pitch, and whether your home sits in a Very High Fire Hazard Severity Zone requiring Class A materials. We explain every line item before you sign anything.
Heat-Baked Shingle Failures
Asphalt shingles in Sylmar fail differently than they do in Santa Monica. The sustained summer heat dries out the asphalt, causing granule loss and cracking, while the hot attic air underneath warps the decking. We see roofs that look ten years old at year five because the original install skipped proper ventilation. On the hillside acreage off Lopez Canyon Road, we replaced a heat-cracked architectural shingle roof where the owner could see heat shimmering off the shingles in July. The old roof had zero ventilation, so we added a continuous ridge vent when we tore it off.
Wind-Rated Fastening For Santa Ana Season
In Sylmar, standard four-nail shingle patterns don’t hold up when gusts hit 60 mph over the passes. We spec six nails per shingle on exposed slopes and hand-seal the starter course so the leading edge doesn’t lift before the sealant cures. That’s standard practice for us here, not an upcharge.
Standing Seam Metal Roof in Sylmar
Standing seam metal roof installation in Sylmar runs $22,000 to $42,000 on most homes, with the cost driven by panel gauge, roof complexity, and removing the existing roof. For hillside homes in the fire zone, a standing seam metal roof is often the smartest long-term choice because it carries a Class A fire rating on its own and won’t ignite from ember cast during wind events. It also handles thermal cycling far better than asphalt, expanding and contracting without cracking the way rolled roofing does at parapet walls on low-slope ranch homes.
Fire-Resistant Decking And Closure Details
Los Angeles County inspectors in Sylmar look for specific fire-resistant underlayment and closed-cell metal panels at ridges and eaves. We install to the county’s Class A standard every time, because a failed inspection means weeks of delay on a hillside build. If you’re replacing a roof as part of a larger acreage project, the metal roof gets scoped alongside your other structures so you’re not re-permitting twice.
Why Metal Makes Sense On Sun-Exposed Slopes
Asphalt shingles on a south-facing Sylmar slope will degrade faster than anywhere else in LA County, purely from UV exposure. Standing seam panels reflect more heat and won’t bake out the way composition shingles do. You pay materially more up front, but the math works over 40 years on a home you plan to keep.
Trusted Brands We Service in Sylmar
We install and warranty manufacturer-backed materials from GAF, CertainTeed, and Owens Corning, and we keep common trim, flashing, and ridge vent components in stock for Sylmar’s dominant roof styles. If you’re matching a specific shingle color on a mid-century ranch near Griswold Avenue, we can usually pull it within a day. The written warranty you get is tied to the manufacturer’s system, not a verbal promise from a crew chief.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in Sylmar Homes
- Santa Ana lift on first-course shingles. Wind gusts over 60 mph catch unsealed shingles along the eave line and fold them back like paper. We hand-seal or mechanically fasten the starter course on every exposed elevation.
- Cracked hot mop at roof-to-wall transitions. Thermal cycling from 100°F days to cold nights splits the old asphalt patches at parapet walls on low-slope ranch roofs. Water follows the decking seams into the eaves, showing up as stains months later.
- Dry-rotted decking from decades of attic heat. The original 1960s CDX plywood under many Sylmar roofs is baked and brittle. If we find rot, we replace sheets before we lay underlayment, and we show you photos of every one.
- Missing Class A underlayment on tear-offs. County inspectors flag old felt paper on re-roofs in the fire zone. We install the required fire-resistant underlayment from the start so you don’t fail a final inspection.
Pricing for Roof Installation in Sylmar, CA
Here’s what roof installation actually costs in Sylmar. A standard architectural shingle tear-off and re-roof on a 1,500-2,000 square foot ranch runs $12,000-$19,000. Standing seam metal on the same footprint runs $22,000-$42,000 depending on panel gauge and roof complexity. Concrete tile replacement, common on the newer hillside developments, runs $18,000-$28,000 when the underlayment is still salvageable and more when it’s not. What pushes the number up in Sylmar specifically: decking replacement from heat rot, Class A underlayment requirements on fire-zone parcels, and steep-slope labor for hillside homes. Call (661) 219-7793 and we’ll give you a written line-item price for your exact roof. Free estimate, no change orders later.
We Also Serve Cities Near Sylmar
Our crews serve homeowners across the northeast Valley. You’ll find us in San Fernando, Mission Hills, Granada Hills, and Panorama City on the same schedule we keep in Sylmar. If you’re outside Sylmar proper but still seeing Santa Ana damage, call us and we’ll confirm coverage before the first visit. Our Roof Installation team handles the same written-price guarantee in every city we work.
Serving Sylmar, CA - Our Local Coverage Area
We’re based in the Sylmar 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 Installation in Sylmar
Yes, for most homes in Sylmar, Los Angeles County requires a Class A roof assembly because the area sits in a designated Very High Fire Hazard Severity Zone. County building inspectors enforce this during the permit process, and they check underlayment, flashing, and ridge details at final inspection. We pull permits and install to Class A by default. Call (661) 219-7793 and we’ll confirm what your specific parcel requires before you commit to materials.
We increase fastening to six nails per shingle on wind-exposed slopes and mechanically fasten or hand-seal the starter course so the leading edge can’t lift before the shingles cure. Standard four-nail patterns fail here because gusts off the passes hit 60 mph on a bad day. The additional fastening is included in our quote, not added as a change order.
No, and any roofer who says otherwise is setting you up for a failed inspection. Spaced board decking won’t hold modern shingles properly and doesn’t meet current code for underlayment in the fire zone. We tear off down to the framing, install solid CDX plywood or OSB, then build the roof up from there. It adds to the cost but it’s the only way the roof passes county inspection and lasts more than a few years.
Not automatically, but if the main house roof is original and failing years beyond its life, the county may require upgrades as part of the overall permit package. We coordinate with your contractor so the ADU roof and the main house roof get scoped together, which saves you money on mobilization and dumpster fees. Having one written quote for both roofs beats paying twice.
We plan material staging and tear-off removal around the lot’s actual access. On steep hillside parcels with no street frontage, we use smaller dump trailers positioned on the driveway or coordinated with a scheduled haul-off crew rather than a full-size roll-off. The logistics are built into your written quote before work starts, so you’re not surprised by an access fee on day one. Call (661) 219-7793 and we’ll walk through your lot’s access in the estimate.
Written by Dylan Pace, Owner at Crestview Roofing Co Santa Clarita, serving Sylmar since 2000.