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 West Covina
Roof installation in West Covina typically runs $9,800 to $18,500 for a full replacement on a standard single-family home, with most tear-off and re-roof jobs finishing in 2 to 5 days for composite shingles and 7 to 14 days for tile. The real wild cards are what’s hidden under the old roof and which West Covina neighborhood you live in. If you’re up in the South Hills or off E. Vine, your home was likely built between 1959 and 1974, and that matters a lot when we price the job. Call (831) 777-6412 and we’ll walk the roof, measure it, and give you a written number before you commit to anything.
Crestview Roofing Co West Covina has spent years opening up roofs across this city, and we know what a 1960s ranch on Puente Avenue hides differently than a Spanish-style home off Merced. You want a roofer who’s seen your exact house type more than once. That’s us.
Why Crestview Roofing Co West Covina Is West Covina’s Preferred Roof Installation Company
West Covina homeowners tend to be skeptical of contractors, and they should be. Too many roofers quote low, tear off, then hand over a bill with a five-figure surprise attached. Our whole model works the other way. Before any work starts, you get a written price. The number on the page is the number on the invoice. If we find rotted decking after tear-off, we stop, document it with photos, and get your written approval before touching it. No change orders, no “well, we had to do more than expected” conversations at the end.
Dylan Pace is the owner behind Roof Installation at Crestview Roofing Co West Covina, and he’s built the crew around a simple rule: treat every roof like it’s on the home of someone who will tell their whole street if we get it wrong. That’s why our reviews from West Covina customers consistently mention the same things: the crew showed up when the live tracking link said they would, the before-and-after photos matched what was promised, and the invoice matched the quote to the dollar.
We’re part of the Relay Home Co. family, which means every West Covina job runs on The Relay Standard: a written price before work begins, before-and-after photo documentation, a live trackable arrival time, and a digital invoice sent by text. And every job is covered by our 365-Day Done Right Promise. If a repair fails within a year, we come back and fix it. No charge, no argument.
Styles & brands we work with






Roof Ventilation in West Covina
Roof ventilation in West Covina matters more than most cities because our summer attic temperatures regularly exceed 130°F, and without proper airflow that heat pushes straight down into your living space and bakes your roofing materials from underneath. When we tear off an old West Covina roof, we rarely find adequate ventilation. What we usually find is a ridge vent that was never cut, a couple of old box vents that don’t move enough air, or in many 1980s homes off Amar Road, no intake ventilation at all.
The fix on a standard West Covina ranch runs $800 to $1,900 as part of a full roof install when we’re already opening the decking. On a standalone ventilation upgrade, expect $1,400 to $2,800 depending on whether we’re adding ridge venting, upgrading to a solar-powered exhaust fan, or cutting in soffit vents.
Attic Intake and Exhaust Balance
A West Covina attic needs roughly one square foot of net free vent area for every 150 square feet of attic floor. If your intake vents are clogged or undersized, the exhaust vents can’t pull. We calculate the numbers and cut intake soffit vents to match whatever exhaust system your roof design allows.
Upgrade Triggers on Tear-Off
When a re-roof happens in West Covina, California building code requires bringing ventilation up to current Title 24 standards. That’s not an upsell. It’s the law, and it also extends the life of whatever new roof you’re paying for. We’ll write the ventilation line item into the original quote so you’re not surprised.
Roof Flashing Installation in West Covina
Roof flashing installation in West Covina is the step that separates a roof that lasts 30 years from one that leaks in the first heavy winter rain, because flashing – the metal strips that seal joints around chimneys, skylights, vents, and wall intersections – is the first thing Santa Ana wind and decades of hot-dry cycling destroys on our Spanish-style and ranch homes. The original galvanized steel flashing on homes built from the 1950s through the 1980s is almost always corroded through by now.
We replace and upgrade every piece of flashing when we install a new roof in West Covina. That means new drip edge along the eaves, new step flashing at walls, new pipe boots around plumbing vents, and new valley metal wherever two roof planes meet. A standard flashing package runs $900 to $2,200 as part of a full install, depending on roof complexity. On a tile roof with multiple penetrations and a chimney, expect the higher end.
Valley Metal and Tile Transitions
In the South Hills, where many homes still carry original 1960s clay tile, the valley flashing is usually the first thing to fail. The tile looks fine from the street, but underneath, the galvanized valley metal is rusted through and water has been running onto the decking for years. We uncover that on tear-off and replace it with heavier-gauge metal or a peel-and-stick valley liner designed for tile roofs.
Pipe Boot and Penetration Seals
Every plumbing vent, roof jack, and exhaust pipe on your West Covina roof has a rubber boot or metal collar that The sun here bakes those rubber boots until they crack and shrink in five to seven years. During a full roof install, we replace all of them with new durable boots and mechanically fastened collars. It’s a small line item that prevents the most common slow leak in West Covina attics.
Trusted Brands We Service in West Covina
We install manufacturer-backed shingle and tile systems from GAF, CertainTeed, and Owens Corning, and we stock the most common profiles and colors for West Covina homes so we’re not ordering from a distributor and hoping for a delivery date. For South Hills tile matches, we source from specialty suppliers who carry discontinued profiles, and we’ve built relationships with local salvage yards across the San Gabriel Valley for period-correct clay tile. Every material we use carries a manufacturer’s warranty, and our workmanship is covered by our 365-Day Done Right Promise in writing.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Installation Problems We See in West Covina Homes
- Santa Ana wind damage: The fall winds lift old composition shingles, breaking the seal and exposing the brittle, dried-out underlayment from the 1980s that then leaks in winter rains. We see this constantly on homes between the 10 and 60 freeways, especially on the north-facing slopes.
- Cracked original clay tile in the South Hills: These 1960s tiles have spent 50-plus years baking in direct sun, and they develop hairline fractures that let water through to decking that was never designed for decades of moisture. Often the decking beneath is rotted and undersized, something you only discover after tile removal.
- Corroded flashing on Spanish-style homes: The low-slope roof penetrations common on West Covina’s Spanish and Mediterranean designs collect water, and the original flashing corrodes from decades of hot-dry cycles. Water travels horizontally under the roof covering for months before you ever see a ceiling stain.
- Undersized or blocked ventilation: Original attics from the 1950s through the 1980s were rarely built with serious airflow, and in West Covina’s heat that cooks roof decking and shingles from below. It’s not unusual to find temperatures exceeding 140°F in an August attic off Azusa Avenue.
Pricing for Roof Installation in West Covina, CA
A full roof installation in West Covina on a standard ranch or Spanish-style three-bedroom home runs $9,800 to $15,500 for architectural asphalt shingles from GAF or CertainTeed, tear-off and haul-away included. If you’re re-roofing with tile or upgraded cool-roof shingles, expect $13,000 to $18,500. Homes in the South Hills with original clay tile and a tile match requirement can push $20,000-plus because sourcing discontinued profiles takes time and money. A roof ventilation package runs $800 to $1,900 when done during a full install. Flashing replacement is $900 to $2,200. Hidden decking replacement, when rot is discovered, runs $2.50 to $4.50 per square foot of replaced plywood. We write every line item in the quote before work starts, and we’ll come out to West Covina for a free estimate any day of the week. Call (831) 777-6412 and ask for a written number.
We Also Serve Cities Near West Covina
Crestview Roofing Co West Covina serves all of West Covina plus the surrounding communities of Azusa, Hacienda Heights, Rowland Heights, and Whittier. If you’re in one of these nearby cities and need a new roof, the same written-price process applies. Dispatch and scheduling are coordinated from our Los Angeles office, and crews serve West Covina and the surrounding area locally.
Serving West Covina, CA - Our Local Coverage Area
We’re based in the West Covina 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 West Covina
Yes. When you re-roof in West Covina, California’s Title 24 energy code requires the new roof covering to meet cool roof standards, which typically means a solar reflectance index rating of 16 or higher for low-slope roofs and 20 or higher for steep-slope roofs. Most of the architectural asphalt shingles we install in West Covina from GAF, CertainTeed, and Owens Corning come in ENERGY STAR cool roof color options that meet or exceed the requirement, and we’ll confirm the specific rating for your chosen material in writing before installation. Call (831) 777-6412 to ask about your specific roof type.
A 1970s West Covina tile roof that leaks during a light rain almost always has corroded or separated flashing at the low-slope penetrations, not tile damage, because when the flashing corrodes through, water travels horizontally under the tile and finds the ceiling. The original flashing on these homes has gone through 45-plus years of Santa Ana wind and hot-dry cycles, and it fails before the tile does. During a full install we replace every piece of flashing, but if you’re not ready for a full roof yet, we can often address the flashing around penetrations as a targeted repair. Call (831) 777-6412 and we’ll get on the roof and show you photos of exactly what’s failing.
We write a decking allowance into every West Covina roof installation quote based on what we can inspect from the attic before tear-off. If we open the roof and find rotted decking in the valleys or under old tile, we stop, take photos, show you the damage, and give you a written price for the replacement before we proceed. The price is per square foot, we only replace what’s actually compromised, and you approve every dollar before we spend it. That’s the Relay Visibility Guarantee in practice. Call (831) 777-6412 and we’ll explain the allowance process for your specific roof.
When you upgrade from wood shake to asphalt shingles in West Covina, you almost always need to add a ridge vent or upgrade your existing box vents, because shake roofs naturally breathe through the gaps between shakes while asphalt shingle roofs trap heat and moisture unless we create intentional airflow. The building code sees a new asphalt roof as a trigger to meet current ventilation requirements, so we calculate your attic’s net free vent area and add intake and exhaust to balance it. On a standard West Covina ranch, that’s typically $800 to $1,900 as part of the full install. Call (831) 777-6412 for a written number on your roof.
Yes, we can match discontinued clay tile profiles from the 1960s South Hills homes, but it requires sourcing from salvage yards and specialty clay tile fabricators, which adds cost and lead time to the project. We’ve matched period-correct two-piece mission tile and one-piece Spanish tile on homes off E. Vine and in the neighborhoods south of Cameron Park, and we’ll photograph your tile profile and search our supplier network before quoting the match. If an exact match isn’t available, we’ll show you the closest options and give you a written price for each. Call (831) 777-6412 and send us a photo of one of your tiles.
Written by Dylan Pace, Owner at Crestview Roofing Co West Covina, serving West Covina homeowners with written prices, documented work, and the 365-Day Done Right Promise.
Ready for a written estimate on your West Covina roof? Call (831) 777-6412 and we’ll schedule a free walk-through. You’ll get a line-by-line price in writing, a live arrival time for your estimate, and no pressure to sign anything on the spot.