Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across West Covina
Roofing work in West Covina moves fast because the weather here does not wait for a callback. Whether you’re off Azusa Avenue near the 10, up in the hillside tracts south of Cameron Park, or in a 1950s ranch off Merced, your roof gets beat on by the same sun and the same Santa Ana winds. We schedule crews in West Covina weekly, and the number you call is answered by a live person, not a voicemail queue. If you need a roofer who shows up when they say they will, call (361) 320-9467 for a written estimate before any work starts.
Why Brennan Roofing Is West Covina’s Preferred Roofing Company
Homeowners in West Covina call us because we do what we said we’d do, at the price we put on paper, and we back it in writing for a full year. It sounds simple, and it is. Travis Oakley leads our crews, and every technician on a West Covina roof has passed a background check and shows up in uniform. No day laborers you’ve never met walking your ridge line. No truck that smells like a trash fire parked in your driveway.
We work under the Garrison Standard, a named operating code that every Brennan Roofing job follows. The price goes in writing before any work starts, and it does not move at the door. If a repair fails within a year, we come back for free under the 365-Day Done Right Promise. West Covina homeowners have dealt with enough roofers who ghost, price-shift, or leave a mess. We’re the crew you don’t have to second-guess.
Commercial Roofing in West Covina
Commercial Roofing in West Covina means something specific: flat and low-slope systems on strip-mall retail along the Valley Boulevard corridor, older industrial buildings near the 10 freeway, and smaller office structures scattered through the business parks off Puente Avenue. These roofs fail differently than residential tile. Ponding water, failed membrane seams, and deteriorated flashing at rooftop HVAC curbs are the common culprits, and none of them announce themselves until the ceiling stains show up inside the unit.
Flat Roof Repair and Replacement
Most commercial roofs in West Covina are modified bitumen or TPO systems that run $6 to $12 per square foot for full replacement, depending on deck condition and insulation. Repair work typically runs $450 to $1,800 for targeted membrane patches, flashing repair, or drain clearing. We inspect the deck underside before we price, because older West Covina commercial buildings often hide water damage under the membrane that a quick surface bid misses.
Tile and Metal Retrofit for Commercial Buildings
Some West Covina commercial properties built in the 1980s and 1990s have tile or metal systems that owners want to preserve for curb appeal. We handle those retrofits, and we’ll be upfront if the structure can’t carry the new load without reinforcement. A metal retrofit over an existing low-slope roof starts around $9 per square foot, with standing seam landing closer to $14 to $18 per square foot depending on panel profile and insulation.
Metal Roof Installation in West Covina
Metal Roof Installation in West Covina is a growing request from homeowners in the hillside areas who want something that survives Santa Ana winds without losing tiles. West Covina sits in the San Gabriel Valley’s high-wind corridor, and when gusts hit 50 to 70 mph, older clay and concrete tile roofs shed fasteners and send tiles flying. Properly installed standing seam metal, with the right clip system and wind-rated fastening schedule, holds. Homeowners in the neighborhoods above Lark Ellen and toward the hills know exactly what we’re talking about.
Standing Seam and Stone-Coated Steel
Stone-coated steel from manufacturers like Boral and Tamko gives you the wind performance of metal with a profile that reads as tile or shake from the street, which matters in West Covina neighborhoods with architectural continuity. Standing seam is cleaner and more modern, and it carries the best long-term leak record. Both run $14 to $22 per square foot installed in West Covina, with stone-coated steel on the lower end of that range and standing seam on the higher end.
Replacing Tile with Metal on Older Tract Homes
When we replace tile with metal on a 1950s or 1960s West Covina tract home, we evaluate the original skip sheathing first. Many of those roofs were built for wood shake and later covered with concrete tile without upgrading the deck. If the skip sheathing can’t support a modern metal panel installation, we sheet over it before we put anything down. We write that decking allowance into the contract before demo starts, so the number you signed is the number you pay.
Trusted Brands We Service in West Covina
We install and repair materials from GAF, Atlas, and Tamko, and we’ll source whatever brand matches your existing roof if a repair calls for a specific profile or color. For West Covina homeowners with original tile or popular composite lines, we keep common match-pieces and underlayment stock on local dispatch, which shortens turnaround on repair calls. You will not get a generic “will this work” response from us. We tell you exactly what’s going on your roof, who made it, and why we chose it for your specific slope and exposure.
Common Roofing Company Problems We See in West Covina Homes
- Corroded tile fasteners on south- and east-facing slopes. Years of UV exposure cook the galvanization off original nails, and when the Santa Anas kick up, tiles lift. We inspect the underside of tile roofs after wind events, not just the top.
- Deteriorated underlayment under 40-year-old tile. West Covina’s hot, dry summers bake underlayment until it cracks and powders. By the time you see a ceiling stain, the felt under the tile has likely been failing for years.
- Original 1950s-60s skip sheathing under tile. Many West Covina tract homes were built for wood shake and later loaded with concrete tile. The skip sheathing was never meant to carry that weight, and it often needs full re-decking before a new roof goes on.
- Failed waterproofing at valleys, penetrations, and chimneys. On two-story hillside homes from the 1980s and 1990s, these failures hide behind fascia and soffit. We open the underside of the roof before pricing so you’re not surprised mid-job.
Pricing for Roofing Company in West Covina, CA
A full tile-to-tile roof replacement on a typical 1,800 to 2,400 square foot West Covina home runs $18,000 to $34,000, depending on whether we’re re-decking over skip sheathing and how much structural repair the deck needs. Asphalt shingle replacement on the same footprint lands between $11,000 and $19,000. Metal retrofits start around $14 per square foot and climb based on profile and wind-rated fastener spec. Repairs, whether it’s a leak at a valley or wind-damaged field tile, typically run $500 to $2,500 in West Covina. The number that matters is the one we put on paper before work starts, and we can walk your roof and give you that number the same week you call.
We Also Serve Cities Near West Covina
Our crews cover La Puente, Covina, Baldwin Park, and Azusa for roofing work, repair, and inspection. If you’re in a neighboring city and need the same written price and the same standard, our Roofing Company team can schedule you. More West Covina-specific information is on our Roofing Company in West Covina 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.
FAQs About Roofing Company in West Covina
Because most West Covina tract homes built in the 1950s and 1960s still have original skip sheathing underneath their tile, and that sheathing was never designed to carry modern roof loads. When you pull the old tile, you often find deteriorated underlayment, rotted deck sections, and framing that needs attention before anything new goes on. A roofer who does not inspect the underside before quoting will hand you a number that changes the moment demo starts. We open the deck and check before we price.
If you want a number that holds, call (361) 320-9467 and we’ll schedule an inspection and put the real scope on paper.
We write them into the contract as a clearly labeled allowance before any work starts. Re-nailing schedules, drip edge, ridge vent, and flashing replacement are standard on West Covina re-roofs, and the city inspector will check them. Some roofers quote the roof and then hand you a second invoice when the inspector walks the decking. We do not do that. The Garrison Code requires us to flag every code upgrade during the estimate, so you know the full scope on day one.
Call (361) 320-9467 to get a line-by-line estimate that includes what the permit will require.
The only reliable way is to get under the tile and look. Corroded fasteners are not always visible from the top, and failed underlayment does not always show as a leak until the deck is already soaked. We inspect the underside of tile roofs in West Covina after wind events and on routine maintenance calls, especially on south- and east-facing slopes where UV damage is worst. If the original fasteners have lost their coating and the felt crumbles when touched, the roof is running on borrowed time.
We’ll document what we find with photos. Call (361) 320-9467 to schedule that inspection.
We do both. Metal is a strong option for West Covina hillside homes that get hammered by Santa Ana winds, and we install standing seam and stone-coated steel from manufacturers like Boral and Tamko. Stone-coated steel gives you a tile-like profile with wind performance that original concrete tile cannot match once the fasteners start corroding. Tile remains a good option when the deck is sound and the fasteners are wind-rated to current spec. We’ll tell you which one makes sense for your specific roof, not for our invoice.
Put them side by side and look for what is missing. Does either quote include a decking allowance for skip sheathing? Does it name the underlayment product and the fastening schedule? Does it include drip edge, ridge vent, and flashing replacement, or will those show up as change orders after the inspector visits? In West Covina, the cheapest bid usually means the bidder has not looked under the tile. A complete quote includes the code upgrades and the worst-case deck condition in the price. Ours always does.
Call (361) 320-9467 and we’ll walk you through what a complete West Covina roofing quote should include.
Written by Travis Oakley, Owner at Brennan Roofing, serving West Covina under the Garrison Standard.






Before
After
Before
After
Before
After