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 Replacement Across West Covina
A full Roof Replacement in West Covina typically runs $11,000 – $24,000 for a standard single-family home, with most tear-offs landing between $14,000 and $19,000 depending on square footage, pitch, decking condition, and material choice. We know West Covina not as a dot on a map but as a working city where the South Hills catch the worst of the Santa Anas and the 1950s ranches near Cameron Park hide decking problems you won’t see until the old shingles come off. Our crews live in and around West Covina, we schedule from the Los Angeles office, and we answer the phone when you call (831) 777-6412, not a voicemail loop.
What sets us apart here is the Relay Visibility Guarantee: a written price before any work starts, before-and-after photo documentation, a live trackable arrival time, and a digital invoice sent by text. No one should sign a five-figure roofing contract without knowing exactly who is showing up, when they’ll arrive, and what the final number will be. That’s the Crestview standard, and it applies to every roof we replace in West Covina.
Why Crestview Roofing Co West Covina Is West Covina’s Preferred Roof Replacement Company
Homeowners in West Covina keep calling us back for one reason that has nothing to do with roofing technique: we put everything in writing before the first shingle is ordered. Dylan Pace leads our West Covina team, and he’s the one who answers for the work when the job is done. That means when we tell a homeowner in the South Hills that their 1960s clay tile caps need hand-matching, we show them photos of the exact tiles we sourced, the profile we matched, and the price we quoted. No vague hand-waving. No “we’ll see when we get up there.”
Our West Covina customers tell us the same thing on review sites and in person: the live arrival time is what sold them. You know the name of the tech coming to your home, you see their photo in the text we send, and you track their vehicle like a rideshare. That matters in a city where homeowners have dealt with four-hour windows and “the crew will be there Thursday, maybe.” We also carry manufacturer-backed materials from GAF, CertainTeed, and Owens Corning, so the shingle warranty you get is not a mystery. The 365-Day Done Right Promise covers every repair we make for a full year, in writing, included with every job. If a covered repair fails within 365 days, we fix it at no charge. That includes a free second visit. No charge, no negotiation, no runaround.
Styles & brands we work with






New Roof Installation in West Covina
New Roof Installation on a West Covina home means a complete tear-off down to the decking, repair or replacement of that decking where it’s rotted or termite-damaged, new underlayment and flashing, and a code-compliant shingle or tile system built for the Santa Ana wind zone we’re in. Homeowners need this service when the existing roof is at or past its lifespan, when multiple leaks have compromised the underlayment, or when a buyer’s inspection flags the roof as a liability. Costs for a new roof installation in West Covina run $12,000 – $24,000, with the typical single-story ranch falling between $13,500 and $18,000. A two-story Spanish-style home with a steeper pitch will run higher, closer to $20,000 – $24,000, because of added labor and safety equipment.
Before any new roof goes on, we inspect the decking. On older West Covina homes, especially those built in the 1960s and 1970s, original skip sheathing is common. That’s the old-school method of spacing 1×6 boards with gaps between them, which was fine under wood shake but fails modern code requirements and manufacturer warranties for asphalt shingles. We write decking replacement allowances into the contract up front, so when we strip the old roof and find exactly that, the number is already there, in the written price. No change order surprises at the door.
Asphalt and Architectural Shingle Systems
For most West Covina homeowners, architectural shingles from GAF, CertainTeed, or Owens Corning make the most sense. They hold up to the UV load we get from June through October, they carry 30- to 50-year manufacturer warranties, and they cost less than tile or standing seam metal. A standard architectural shingle roof on a West Covina ranch runs $11,500 – $17,000 installed, including tear-off, decking repair where needed, new flashing, and haul-away.
Roof Decking Replacement
We do not lay new shingles over rotted decking, and we will not quote a job on the assumption the decking is fine. On the 1972 Spanish-style home off Azusa Avenue in the South Hills, our crew stripped three layers of composition shingle down to the skip sheathing, found termite-riddled 1×6 decking that crumbled underfoot, and rebuilt it with CDX plywood before laying a GAF Timberline HDZ system, starter strip, ice and water shield in the valleys, and a ridge vent that finally stopped the attic from cooking at 140°F during Santa Anas. Decking replacement in West Covina typically adds $2,500 – $6,000 to a reroof, depending on how much of the roof is affected. We write that allowance into your contract before we start, so the written price stays the price.
Reroofing in West Covina
Reroofing in West Covina is the most common job we do, and it means removing the existing roof material down to the deck and installing a new system on the same framing. Homeowners need reroofing when the shingles are granule-bald, curling at the edges, or leaking in the first heavy rain. Reroofing here runs $11,000 – $22,000 depending on whether we’re dealing with a ranch, a two-story, or a South Hills home with clay tile that needs matching. The lower end covers a simple tear-off and architectural shingle install on a modest single-story home. The upper end covers a tile roof where we’re sourcing discontinued profiles and rebuilding underlayment that has not been touched since the Johnson administration.
What we see most in West Covina during reroofs is what’s underneath the old roof, not the old roof itself. Skip sheathing that never met code for modern shingles. Termite damage along the eaves and in the valleys. Original 1960s built-up gravel roofs over enclosed patios where the scupper drains clogged for years and water ponded until the soffit rotted. None of this is visible from the street. All of it changes the quote. That’s why we inspect before we quote and why our written price includes allowances for exactly these conditions.
Flat Roofing and Enclosed Patio Roofs
West Covina’s ranches and Spanish-style homes often have flat or low-slope sections over enclosed patios, additions, and carports. When a homeowner calls us about a leak in the living room, the water is often coming from a flat roof they forgot existed. We reroof those sections with a membrane system, or we tie them into a new shingle roof if the slope allows. Flat roofing reroofs in West Covina run $8,000 – $15,000 depending on square footage and the condition of the underlying decking.
Trusted Brands We Service in West Covina
We install and repair manufacturer-backed materials from GAF, CertainTeed, and Owens Corning, and we keep local stock for the systems West Covina homes actually use, so we’re not waiting on a distributor in Commerce when your roof is open. Whatever shingle the previous homeowner put on, we can match it or replace it with a better system. And because we install full manufacturer systems rather than mixing components, the manufacturer warranty on your new roof is valid, in writing, with your name on it.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in West Covina Homes
- Lifted clay tile caps on South Hills homes during Santa Ana wind events. The original 1960s tile roofs in West Covina’s South Hills were built with mortar-set caps and underlayment that degrades over decades. When the Santa Anas hit in October and November, we get calls about tiles in the yard and water staining the ceiling. The fix is usually a full reroof, because patching one section of a tile roof whose profile is discontinued creates a patchwork that leaks again.
- Granule loss on 1990s architectural shingles from relentless UV exposure. West Covina gets more than 280 days of sun a year, and shingles installed in the 1990s are now 25 to 35 years old. The granules wear off, the asphalt underneath bakes and cracks, and the first heavy rain of winter sends water through the bald spots. By the time you see granules in your gutters, the roof is telling you it’s done.
- Failed original 1960s built-up gravel roofs over enclosed patios. Those flat gravel roofs look fine from the ground, but the scupper drains clog with leaves and debris from the eucalyptus and pepper trees all over West Covina neighborhoods, water ponds, and the roof rots from the top down. We’ve opened soffits on Azusa Avenue and found the framing soft enough to push a screwdriver through by hand.
- Decking that was never replaced and never inspected. Homeowners buy a 1970s ranch in West Covina, the sellers put a second layer of shingles over the original 50-year-old roof, and now the decking is holding two layers of weight on 1×6 skip sheathing. We see it weekly. The decking is the roof’s skeleton, and for homes built before 1980, it’s almost always underbuilt for modern material requirements.
Pricing for Roof Replacement in West Covina, CA
A standard asphalt shingle roof replacement in West Covina runs $11,000 – $17,000 for a typical 1,500- to 2,200-square-foot single-story home. Two-story homes with steeper pitches run $16,000 – $24,000. Clay tile reroofs, especially in the South Hills where tile profiles are discontinued, start around $18,000 and can exceed $30,000 depending on matching and structural work. Flat roof sections add $8,000 – $15,000. The variables that move the price are decking condition, roof pitch, the number of layers being torn off, and whether we’re matching vintage tile or replacing with a new architectural shingle system. Call (831) 777-6412 for a free, written estimate. The number on the page is the number on the invoice.
We Also Serve Cities Near West Covina
Crestview Roofing Co serves West Covina and the surrounding communities of Azusa, Hacienda Heights, Rowland Heights, and Whittier. If you’re in one of those cities and need a roof replacement, the same written-price guarantee and 365-Day Done Right Promise apply.
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 Replacement in West Covina
We hand-match vintage tiles from salvage yards or recast molds when the profile is no longer manufactured. Many South Hills homes have 1960s tile profiles that were discontinued decades ago, so patching with modern tile leaves a visible mismatch. The right fix is either a full tile reroof with matched vintage tile or a complete switch to an architectural shingle system. Call (831) 777-6412 for a written quote, the matching cost included.
Yes, if it’s installed to current code. West Covina is in a wind zone that requires specific nailing patterns and, in some cases, enhanced fastening in the field and perimeter. We install to the current code requirements, not the code from whenever your house was built. The roof passes inspection, and we pull the permit before we start.
Ice and water shield is not about snow; it’s about wind-driven rain. In West Covina, the Santa Anas push rain sideways into valleys, eaves, and around chimneys. We install ice and water shield in valleys and around penetrations as standard practice, because the first heavy rain after a dry year will find any gap. It’s a small material cost that prevents most roof leaks. Call (831) 777-6412 for a quote, and we’ll show you exactly where the shield goes.
That line is usually where the original installers nailed the ridge cap too close to the edge, or where wind has been working the shingle edges at the ridge for years. West Covina’s Santa Ana winds concentrate uplift at the ridge line, and that’s where architectural shingles from the 1990s first lose their granules. If the granule loss is deep enough, water gets under the ridge cap and into the attic. We can replace the roof, or we can repair the ridge if the rest of the roof is still sound. The free estimate tells you which one makes sense.
Skip sheathing typically adds $2,500 – $6,000 to the job because we replace it with solid CDX plywood before installing shingles. Most 1950s and 1960s West Covina ranches have skip sheathing, and modern shingle manufacturers void their warranties over it. We write the decking allowance into the contract before we start, so if we find skip sheathing, the price was already in your written estimate. No surprises. Call (831) 777-6412 for a free estimate with the allowance built in.
If you’re planning a roof replacement anywhere in West Covina, call (831) 777-6412. We’ll send someone who knows the difference between a South Hills tile roof and a Cameron Park ranch, who’ll show you photos of what’s actually up there, and who’ll put the price in writing before any work starts.
Written by Dylan Pace, Owner at Crestview Roofing Co West Covina.