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 Installation for West Covina Homeowners
A new roof in West Covina typically runs $9,800 to $38,000 depending on material, roof size, and the condition of the underlying decking. Most tear-off installations take 3 to 7 working days from the first nail to final inspection. At Crestview Roofing Co West Covina, Dylan Pace leads a team that has handled West Covina Roof Installation and replacement across Whittier and Montebello since 2000, and every job starts with a written price before any work begins.
We put the number on paper up front. Before any shingle, tile, or metal panel goes down, you’ll know exactly what the job costs and what materials we’re using. Our technicians are background-checked and uniformed, and you get before-and-after photos so you can see the work without climbing a ladder. Call (831) 777-6412 to schedule your free estimate.
Shingle Roof
A shingle roof is the most common residential roofing system in West Covina, made from overlapping asphalt shingles laid in courses over underlayment and decking. It’s the go-to choice when you want a proven material that balances upfront cost, lifespan, and repairability. Our crews install GAF, CertainTeed, and Owens Corning architectural shingles daily, and most shingle tear-offs in West Covina run $9,800 to $18,500 for a typical 1,800-square-foot home.
Architectural vs. Three-Tab
Architectural shingles are thicker, rated for higher wind, and carry 30-year to lifetime manufacturer warranties. Three-tab shingles cost less up front but wear out faster and look flatter on the roofline. We install both, but we’ll tell you plainly which one makes sense for your budget and how long you plan to own the home.
What a Full Tear-Off Includes
Every shingle roof we install in West Covina starts with a full tear-off to the decking so we can inspect for rot and water damage. You get new synthetic underlayment, ice and water shield in valleys and eaves, new flashing at penetrations, and a written workmanship warranty. The price we quote is the price you pay, no change orders for things we should have caught on the estimate.
Styles & brands we work with
Standing Seam Metal Roof
A standing seam metal roof is a panel roofing system with raised vertical seams that interlock above the panel surface, creating a weathertight joint without exposed fasteners. It’s specified when homeowners want the longest service life available, often 40 to 60 years, and a clean modern profile. Standing seam installations in West Covina typically run $18,000 to $38,000 depending on panel gauge, roof complexity, and whether we’re tearing off the old roof.
Gauge and Finish Options
We install 24-gauge and 26-gauge galvanized and Galvalume panels, with Kynar 500 factory finishes in standard and custom colors. Heavier 24-gauge panels resist oil-canning better on large roof faces and hold up to West Covina’s summer heat with less expansion noise. You’ll get samples in hand before you commit.
Why Fasteners Stay Hidden
Exposed-fastener metal roofs rely on rubber washers that harden and leak over 10 to 15 years. Standing seam uses concealed clips that let the metal expand and contract freely, which is why the system lasts as long as it does. The panels we use are engineered for the San Gabriel Valley’s temperature swings, which can push roof surface temps past 140°F in August.
Tile Roof
A tile roof is a roofing system made from clay or concrete tiles laid over battens or a solid deck, common on Mediterranean and Spanish-style homes throughout West Covina and our Roof Installation in Hacienda Heights. It’s selected for its longevity, fire resistance, and the architectural character it gives a house. Tile roof installations in West Covina generally run $22,000 to $42,000, with concrete tile on the lower end and clay on the higher end.
Concrete vs. Clay Tile
Concrete tile weighs about the same as clay but costs 15 to 25 percent less and comes in a wider range of color profiles. Clay tile holds its color longer and offers better resistance to fading under Southern California sun. We’ll calculate the dead load on your existing framing before recommending either, because tile adds significant weight.
Underlayment Is the Real Roof
Most tile roof failures in West Covina aren’t the tile itself, they’re the underlayment underneath breaking down. We install double-layer, high-temperature synthetic underlayment rated for tile systems before the first tile goes down. That’s the layer that keeps water out, and it’s what most cheap tile bids skimp on.
Roof Ventilation
Roof ventilation is the system of intake and exhaust vents that balances attic temperature and moisture levels, protecting the roof deck and shingles from premature failure. It’s needed when attics run hot in summer, when you see condensation or mildew, or when your cooling bills climb because heat is trapped overhead. Ventilation corrections in West Covina typically run $650 to $2,800 depending on the vent type and attic size.
Intake and Exhaust Balance
A functioning ventilation system needs roughly half its area at the eaves and half at or near the ridge. Many West Covina homes built in the 1960s and 1970s have soffit vents that were later blocked by insulation or never matched to exhaust capacity. We measure net free area and correct the balance as part of every roof installation.
Heat Damage You Can’t See From the Street
Attics in West Covina regularly exceed 150°F in July and August. That heat bakes shingles from underneath, curls them, and shortens their life by years. Proper ventilation also reduces the risk of moisture accumulation during cool, damp winters, which protects both the decking and your insulation’s performance.
Roof Flashing Installation
Roof flashing installation is the process of fitting metal strips at roof intersections, sidewalls, chimneys, skylights, and valleys to direct water away from vulnerable joints. Flashing is the most common source of roof leaks in West Covina, especially around older masonry chimneys and vent pipes. Flashing replacement or new installation runs $350 to $2,200 depending on the penetration type and accessibility.
Where Flashing Fails First
Step flashing along sidewalls and counterflashing at chimneys fail long before shingles or tile do. We see it constantly on homes near Rowland Heights and Azusa where wind-driven rain pounds the same wall intersection for years. The fix is replacing the flashing with proper overlap and sealant, not caulking over failed metal.
Materials That Match the Roof
We install galvanized steel, aluminum, copper, and lead-coated copper flashing matched to the roofing material and the home’s exposure. Copper costs more but lasts the life of a tile or metal roof. Galvanized steel is the workhorse for shingle roofs, and we paint it to match when visible.
TPO Roofing Installation
TPO roofing installation involves heat-welding single-ply thermoplastic polyolefin membrane over flat or low-slope roof decks, often on additions, patio covers, and commercial-style residential structures. It’s specified when a roof slope is too flat for shingles, typically under 3:12 pitch. TPO installation in West Covina runs $7,500 to $16,000 depending on square footage and insulation requirements.
Heat-Welded Seams vs. Tape
TPO seams are heat-welded with hot-air guns that fuse the membrane into a single sheet. Taped or glued seams pull apart over time, especially on West Covina flat roofs that bake in direct sun all day. We weld every seam and test for integrity before we call the job done.
Reflective Surface, Lower Cooling Load
White TPO reflects a large share of solar radiation, which keeps the room below noticeably cooler than dark asphalt surfaces. On second-story additions and sunroom roofs, that translates directly into lower air conditioning demand in summer. The membrane is also resistant to ponding water, algae, and the kind of UV degradation that destroys modified bitumen within a decade.
Brands We Service
We install and repair GAF roofing systems, including Timberline HDZ and Timberline Ultra HD architectural shingles. Our crews are trained on GAF’s current installation specifications, and we use their accessory products for ridge, underlayment, and ventilation to keep the manufacturer warranty intact.
CertainTeed and Owens Corning are the other two shingle brands we stock regularly. CertainTeed Landmark shingles offer a broad color range and strong wind ratings, while Owens Corning Duration shingles use their patented SureNail strip that holds fasteners better in West Covina’s occasional high-wind events. IKO shingles are available when clients request them for budget or color matching. Whether you have GAF, CertainTeed, Owens Corning, IKO, or any other make, we can handle the installation and the manufacturer paperwork.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Granules collecting in gutters. Asphalt shingles shed granules as they age, especially after heavy rain. If you’re finding black grit in your downspouts, the shingle surface is degrading and the roof is closer to replacement than repair.
- Daylight visible in the attic. Go into the attic on a sunny day with the lights off. If you can see light through the roof boards, water can get through the same gaps. This is a structural urgency, not a cosmetic one.
- Water stains on ceilings or walls. Brown or yellow rings mean water has already found a path through the roof system. The longer it sits, the more decking and insulation you replace, and the bill climbs quickly.
- Curling, cracked, or missing shingles. Shingles that cup or crack are past the point of functional service. Missing shingles expose underlayment and decking directly, and one good Santa Ana wind event can strip an entire slope.
- Sagging roofline or visible dip. A dip in the ridge or any roof plane indicates a structural problem, usually rotted decking or compromised framing. This requires immediate professional assessment before it worsens.
Our Process, Step by Step
- 1
Free on-site inspection and measurement. We walk the roof, check the attic, measure every plane, and document what’s there now. You get a written breakdown of material options and conditions we found, including drone photos when roof access is tricky. This is free and takes about an hour.
- 2
Written, itemized proposal. Before any work starts, you get a fixed price in writing with material type, color, underlayment specification, ventilation plan, and the full scope of tear-off and disposal. The number on that proposal is the number on the invoice, period.
- 3
Scheduling with live arrival tracking. The day we start, you’ll have the crew’s arrival time on your phone, trackable in real time. Technicians arrive in uniform, background-checked, with the materials staged and ready. No four-hour windows.
- 4
Installation with photo documentation. We document the tear-off, deck condition, underlayment, flashing, and finished roof with photos you can review. If we find rotted decking or failed flashing during tear-off, we show you photos before any additional work is approved.
- 5
Final inspection and digital invoice. After the last nail and the cleanup, we walk the roof with you or send a photo report. Your invoice arrives by text, and your 365-Day Done Right Promise is activated in writing before you pay.
How Much Does Roof Installation Cost in West Covina?
A typical shingle roof installation in West Covina runs $9,800 to $18,500 for a single-story home around 1,800 square feet. Tile roofs start around $22,000 and climb to $42,000 depending on clay versus concrete, roof complexity, and deck reinforcement needs. Standing seam metal installations run $18,000 to $38,000. TPO on flat or low-slope sections runs $7,500 to $16,000. These ranges include tear-off, disposal, underlayment, flashing, and the written workmanship warranty.
What moves the price: roof pitch and accessibility (steep or cut-up roofs take longer and require more safety setup), the condition of existing decking (rotted sections add material and labor), any required upgrades to meet current California Building Code, and the material grade you select. The best way to avoid overpaying is to compare line items, not just totals. A cheap bid that skips ice-and-water shield in valleys or underlayment replacement will cost more in year three than you saved at signing. Our free estimate includes all material specs, the ventilation plan, and a fixed price in writing. Call (831) 777-6412 to schedule yours.
Our Service Area Near West Covina
Crestview Roofing Co West Covina serves the full San Gabriel Valley from our home base in West Covina. We install roofs in Whittier, Montebello, Hacienda Heights, Rowland Heights, Azusa, La Verne, South Whittier, West Puente Valley, Vincent, and Brea. Most customers can get an estimate visit scheduled within a few business days, and our crews know the local code requirements in each jurisdiction. If you’re anywhere near West Covina, we’ll come out and write the estimate in person.
You can also learn more about us on our home page.
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 Installation in West Covina
Roof installation is the complete process of building a new roof system, including tear-off of the old roof, deck inspection and repair, underlayment, flashing, ventilation, and the finished roofing material. In West Covina, most full installations also require a permit and final inspection with the city. We handle the permit application and coordinate all inspections as part of our written scope.
Most shingle roof installations in West Covina take 3 to 5 working days, tile roofs run 6 to 10 days, and standing seam metal can take a full week or more depending on panel fabrication. Weather, decking repairs, and inspection scheduling can shift the timeline. We give you a start date and a completion estimate in writing before the job begins.
Shingle roofs run $9,800 to $18,500, tile roofs run $22,000 to $42,000, standing seam runs $18,000 to $38,000, and TPO runs $7,500 to $16,000 on typical West Covina homes. Every job is different, and the only way to get an exact price is an on-site measurement and inspection. Call (831) 777-6412 and we’ll schedule the free estimate.
Yes, we install and service GAF, CertainTeed, and Owens Corning roofing systems, along with IKO when the job calls for it. Our crews are trained on each manufacturer’s current specifications so the material warranty remains valid after installation. We’ll recommend the brand that fits your budget and the home’s exposure, not just the one we happen to stock that month.
For active leaks, storm damage, or a roof that’s been compromised by fallen branches, we prioritize urgent repairs and can often get a crew out quickly to secure the structure. Full roof installations are scheduled, not emergency work, because proper tear-off and installation takes days. If your roof is actively leaking, call (831) 777-6412 and we’ll get it tarped or repaired before the replacement is scheduled.
Every roof installation from Crestview Roofing Co West Covina is covered by the 365-Day Done Right Promise. If anything we installed fails within 365 days, we return and correct it at no charge, including a free second visit. Manufacturer warranties on materials run separately, and we file all registration paperwork for you. The workmanship coverage is in writing, included with every job.
Clear items from around the perimeter of the house, move vehicles out of the driveway, and cover valuables in the attic with plastic or sheets. We protect landscaping and walkways with tarps and clean up with magnetic nail sweeps daily. During installation, expect noise and foot traffic overhead for the duration of the job. We’ll walk you through all of this before we start.
Schedule Your Roof Installation Service in West Covina Today
Ready to get a real number for your new roof? Call Dylan Pace and the team at Crestview Roofing Co West Covina at (831) 777-6412 to schedule your free, no-obligation estimate. You’ll get a written price before any work starts, a live arrival time on installation day, and photo documentation of everything we do. The estimate costs nothing, and you’ll know exactly what the job costs before you commit.
Written by Dylan Pace, Owner at Crestview Roofing Co West Covina, serving West Covina since 2000.