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
Trusted Roof Replacement for West Covina Homeowners
A full roof replacement in West Covina typically runs between $9,800 and $24,000 depending on the size of your home, the material you choose, and how much structural work the old roof left behind. Most asphalt shingle replacements on a standard 1,800-square-foot ranch in neighborhoods like the South Hills or the area around Cameron Park fall in the $11,000 to $16,000 range. We’re Crestview Roofing Co West Covina, and we’ve been putting roofs on homes in this city since 2000. Dylan Pace runs our crew, and he built this company on a simple idea: you should see the price in writing before a single shingle comes off your roof. If you’re dealing with a roof that’s past its useful life, call (831) 777-6412 and we’ll give you a straight answer about what a replacement will cost.
Roof Replacement Contractor
A roof replacement contractor is the licensed professional who removes your old roofing system down to the decking, inspects the wood underneath, and installs a completely new roof designed to last decades. You hire one when patching is no longer cost-effective. If you’re chasing leaks around the same spots near the Holt Avenue corridor or repatching the flashing around your chimney every storm season, you’re spending money on a roof that already told you it’s done. Crestview Roofing Co West Covina handles full tear-offs, deck inspection, and new installation with manufacturer-backed materials from names you’d recognize at any supply yard in the San Gabriel Valley. A complete replacement on a typical West Covina home costs between $9,800 and $24,000, with most falling between $11,000 and $16,000.
Tear-Off and Deck Inspection
We remove every layer of the old roof, not just the top one. California building code allows up to two layers in some cases, but we recommend a full tear-off on nearly every West Covina home so we can see what’s happening to the plywood underneath. Rotted decking in older homes near the Valinda corridor is common, and replacing that wood while the roof is open costs far less than discovering it through a collapsed section later.
Permits and Code Compliance
West Covina requires permits for full roof replacements, and we pull them on every job. The city inspects the work before we call it done. You’ll get a copy of the final sign-off, and your invoice will match the number you approved before we started.
Styles & brands we work with






Asphalt Shingle Roof Replacement
An asphalt shingle roof replacement means tearing off the existing shingles and installing a new architectural or three-tab shingle system, and it’s the most common type of roof work we do in West Covina. Most homes here were built with asphalt, and the strong sun exposure on south-facing slopes near Woodgrove Park or down toward the 10 freeway ages shingles faster than the manufacturer’s printed warranty would suggest. Crestview Roofing Co West Covina installs GAF, CertainTeed, and Owens Corning shingles with a written price before any work starts, and a replacement on a standard single-family home runs $9,800 to $16,000 for architectural shingles with a typical lifetime material warranty.
Architectural Shingle Upgrades
Architectural shingles cost more than three-tab but they hold up better against the wind that kicks up through the crosstown canyons off Amar Road. They’re thicker, they resist curling, and they carry longer material warranties. We install them over a properly vented attic because a hot attic is a shingle killer in West Covina summers.
Ventilation and Underlayment
The shingles are what you see, but the underlayment and venting are what make the roof last. We inspect ridge vents, soffit vents, and attic airflow as part of every replacement, and we replace the underlayment with a high-quality synthetic barrier instead of reusing whatever was up there.
New Roof Installation
A new roof installation is the full process of building a roofing system on a home, whether it’s new construction, an addition, or a replacement so extensive that everything from the decking up is being rebuilt. In West Covina, we see this most often on homes where the original roof was never properly installed, or on mid-century ranches getting their second roof after the first one gave up. Crestview Roofing Co West Covina handles new roof installation from bare framing to final inspection, and the cost runs $9,800 to $24,000 depending on square footage, pitch, and material selection. A standard single-story home in the neighborhoods off Workman Avenue typically falls in the $12,000 to $17,000 range.
Complete System Design
We’re not just nailing shingles to plywood. A proper new roof installation includes ice and water shield in the valleys, synthetic underlayment across the field, drip edge at every eave and rake, and new flashing where anything pokes through the roof. Every layer gets photographed before the final material covers it, and those photos are yours to keep.
Material Selection and Lead Times
If you want a specific shingle color or brand, we order it before we tear anything off. Most GAF and CertainTeed colors are in stock at local suppliers near the City of Industry, but specialty colors from Owens Corning can add a few days. You’ll know the lead time in writing before we schedule the tear-off.
Reroofing
Reroofing means installing a new roof over the existing one without a full tear-off, and it’s an option we discuss honestly with West Covina homeowners when the decking and existing shingle layer are still in good shape. It costs less in labor and disposal fees, usually $7,500 to $12,000 for a typical single-family home, because we’re not removing and dumping the old material. But reroofing is only viable when the existing roof is a single layer and the decking below is sound. Crestview Roofing Co West Covina will tell you if your roof qualifies, and we’ll show you the condition assessment in writing.
When Reroofing Makes Sense
If your roof is a single layer of shingles with no signs of water damage underneath and no soft spots in the decking, reroofing can save you real money without cutting any corners that matter. We won’t push you into a tear-off just because it’s a bigger invoice. Dylan would rather give you the honest answer and earn the next job.
When It Does Not
Two layers of shingles on a hot West Covina roof hold heat in ways that shorten the life of the new material on top. If there’s any question about the decking, water staining on the rafters, or rot around the eaves near Galster Park, a tear-off is the right call and reroofing would trap the problem under new material.
Flat Roof Replacement
A flat roof replacement covers low-slope roofing systems built with membrane materials instead of shingles, and in West Covina these are most common on patio covers, mid-century modern homes, and the style of architecture you see around the older hillside streets off Barranca Avenue. Flat roofs fail differently than pitched ones. Water pools instead of running off, and the UV exposure bakes the membrane until it cracks. Crestview Roofing Co West Covina installs modern membrane systems that handle the heat and the occasional heavy rain season, and flat roof replacement typically runs $8,000 to $18,000 depending on size, accessibility, and the condition of the substrate underneath.
Membrane Choices and Drainage
The two systems we install most are TPO and modified bitumen. Both are heat-resistant and both can be installed with a slope-inducing layer to stop water from pooling. Drainage is the whole game on a flat roof, and we’ll tell you plainly if your original roof was built without enough slope to survive another winter.
Commercial and Residential Flat Roofs
Most flat roof work in West Covina is on residential homes, but we handle small commercial storefronts along the Azusa Avenue corridor as well. The pricing structure is the same: written quote before work, photo updates during, a digital invoice by text when it’s done.
Brands We Service
We install and service GAF shingle systems more than any other brand on West Covina homes. The Timberline line from GAF is our go-to recommendation for architectural shingles because the availability at local suppliers near the City of Industry is consistent, the color options are broad, and the material warranty terms are straightforward to explain to a homeowner. GAF also makes some of the best ridge cap shingles we’ve used, and we stock their standard colors for repair and replacement work.
CertainTeed is the other brand we install frequently, particularly for homeowners who want the thicker, heavier feel of their Landmark architectural line. Owens Corning makes a solid product too, and their Duration series has performed well on homes we’ve installed in the higher-wind areas up toward Cortez Park. Whether you have GAF, CertainTeed, Owens Corning, or any other make on your roof, we can match materials and get the job done without drama.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Granules in your gutters. Asphalt shingles shed granules as they wear. If you’re seeing piles of gritty material in the downspouts around your West Covina home, the shingles are losing their UV protection and they’re on the back side of their lifespan. A few granules is normal; a pile is a countdown.
- Shingles that look wavy or curled. Heat from the San Gabriel Valley sun causes shingles to cup and curl at the edges. Once they curl, wind gets underneath them and rips them off the next time a Santa Ana event rolls through. Wavy shingles mean the roof is already degrading.
- Daylight in the attic. If you can see sunlight through the roof boards from inside your attic, water can get in through those same openings. This is one of the clearest indicators a roof replacement is needed, and it’s one we can confirm during a free inspection.
- Water stains on ceilings or walls near exterior walls. A stain on the ceiling near the edge of the house often points to a roof leak, not a plumbing problem. The longer water sits in the attic, the more damage it does to insulation, framing, and drywall.
- Sagging sections that hold water. Any dip or valley where water pools after rain is a structural problem, not just a shingle problem. On a pitched roof, sagging usually means the decking underneath has rotted or the framing is compromised. On a flat roof, it means the drainage slope has failed.
Our Process, Step by Step
- 1
Free roof inspection and written quote. We come out to your West Covina home, get on the roof when it’s safe to do so, and document everything with photos. You get a written quote with a line-item breakdown, not a number scribbled on a card. The price we put in writing is the price you pay.
- 2
Material ordering and permit pull. We order your shingles, underlayment, and flashing from suppliers in the San Gabriel Valley, and we pull the city permit for the job. You get a copy of the permit number and a schedule showing when materials arrive and when the crew starts.
- 3
Tear-off and deck inspection. The old roof comes off down to the decking. We inspect every sheet of plywood or OSB, and if any of it needs replacement, we document it in photos and show you what we found before we charge you for the extra wood.
- 4
Installation with photo updates. Underlayment, flashing, shingles, ridge caps, venting. We photograph each layer before covering it, and we’ll send you updates during the job so you can see the work without having to climb a ladder.
- 5
Final inspection and digital invoice. The city inspector signs off, we walk the roof with you if you want, and we send your invoice by text. The number matches the quote. The before-and-after photos are yours. And the 365-Day Done Right Promise applies to any repair work we did, in writing, on every job.
How Much Does Roof Replacement Cost in West Covina?
What moves the price? Square footage is the biggest factor, since labor and material both scale with roof size. Pitch matters too: a roof steeper than a 6/12 requires additional safety equipment and slows the crew down. The number of penetrations (chimneys, vents, skylights, plumbing stacks) adds flashing labor. Decking replacement runs $2 to $3 per square foot when rot is discovered, and West Covina homes built in the 1960s and 70s often have some decking that needs attention near the eaves. Permits, which we pull on every job, add a couple hundred dollars depending on the city’s current fee schedule.
How to avoid overpaying: get a written line-item quote, not a round number. Ask what’s included in the underlayment and flashing, not just the shingle brand. And don’t accept a quote that doesn’t mention permits. A free estimate from Crestview Roofing Co West Covina includes the full breakdown, the permit status, and a written price that won’t change unless you approve a change order in writing.
Our Service Area Near West Covina
We serve all of West Covina and the surrounding San Gabriel Valley communities, including Roof Replacement in Whittier to the west, Roof Replacement in Montebello down the 605 corridor, and the neighborhoods in between like Hacienda Heights, Rowland Heights, South Whittier, West Puente Valley, and Vincent. Most scheduling in this area is straightforward, and we’ll give you a specific arrival window when you book. If you’re in any of these cities and dealing with a roof that’s seen better years, you can learn more about what we do on our home page or call us directly.
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.
Frequently Asked Questions About Roof Replacement in West Covina
Roof replacement is the complete removal of your existing roofing material down to the wooden decking, followed by installation of a new roofing system including underlayment, flashing, and shingles or membrane. It’s different from roof repair because it addresses the entire roof, not just a damaged section. In our Roof Replacement in West Covina, most homes need a full replacement when the original shingles reach the end of their 20-to-30-year service life.
Most asphalt shingle roof replacements on West Covina homes take 2 to 5 days from tear-off to final inspection. Larger or steeper roofs can extend to a week, and flat roof replacements with membrane systems typically take 3 to 6 days. We’ll give you a written schedule before we start, and we stick to it unless weather or permit inspection delays intervene.
A standard asphalt shingle replacement in West Covina runs $11,000 to $16,000 on a typical home. Smaller jobs start around $9,800, and complex or large homes can reach $24,000. Flat roofs range from $8,000 to $18,000. Call (831) 777-6412 for a free written estimate with exact numbers for your specific home.
Yes, we install GAF, CertainTeed, Owens Corning, and other major brands. GAF Timberline and CertainTeed Landmark are the two we recommend most often for West Covina homes because of their performance in hot sun and their consistent local availability. We’ll show you samples and color options at your estimate.
If a storm has opened up a hole in your roof or a tree branch has punctured the surface, we’ll do everything we can to get a tarp on it fast and schedule the full replacement as soon as possible. A live person answers our phone 24/7 at (831) 777-6412, and we’ll help you figure out the right next step whether it’s a tarp, a temporary repair, or a full replacement.
Every roof replacement includes a written workmanship warranty plus the manufacturer’s material warranty on the shingles or membrane. Our 365-Day Done Right Promise covers any repair work we do for a full year, including a free second visit if a repair fails. The material warranty terms depend on the brand and product line you choose, and we’ll walk you through them before you sign anything.
Move vehicles out of the driveway and away from the house so materials can be staged and debris can be loaded. Take down anything fragile from interior walls or shelves, since hammering overhead can vibrate through the framing. Let your neighbors know work is happening if you have shared walls or close property lines. We handle all permits and debris removal, and we’ll sweep the property with a magnetic roller to pick up stray nails when the job is done.
Schedule Your Roof Replacement Service in West Covina Today
If your roof is past its prime and you want a real number instead of a guess, call (831) 777-6412 to schedule a free roof inspection. We’ll send you a written quote before any work starts, show you photos of what’s actually happening up there, and give you a schedule you can plan around. No pressure, no four-hour windows, and no surprises when the invoice shows up. Call us today and we’ll get you on the schedule.
Written by Dylan Pace, Owner at Crestview Roofing Co West Covina, serving West Covina since 2000.