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
Roof replacement in West Covina typically runs $14,000 – $32,000 for a standard single-family home, with flat roofs and acreage parcels on the higher end. Most tear-offs we schedule in the 91790 and 91792 ZIP codes are completed in five to eight working days once permits are in hand. If you’re weighing a second overlay against a full tear-off, call us at (833) 589-7971 and we’ll give you a straight answer based on what’s actually under your shingles. Roland Vega has been running roofing crews across the San Gabriel Valley long enough to know that West Covina homes built between 1955 and 1975 almost never take a simple re-cover.
Why Hollywood Roofing Co Is West Covina’s Preferred Roof Replacement Company
We work the full roofing lifecycle, from a standalone inspection to targeted repair to complete replacement, so when a homeowner near the 10 freeway calls us about a leak, we’re not guessing at the roof’s history. The same crew that finds rot during an inspection is the crew that re-decks and re-roofs, with no handoff gaps or finger-pointing between trades. We install materials from seven manufacturers, including GAF, CertainTeed, and Owens Corning, so the recommendation you get is matched to your home’s pitch, exposure, and budget rather than to whichever single brand a supplier happens to stock.
West Covina homeowners deal with something most roofing companies don’t talk about: the original 1960s wood shakes under a failing second layer. Ask us about Roof Replacement and we’ll start by telling you what we typically find on ranch tract houses in this city, not by handing you a brochure. From the first inspection to the final nail, the point is a roof that lasts, not a sales pitch that doesn’t survive the first rain.
Styles & brands we work with
Flat Roof Replacement in West Covina
Flat Roof Replacement in West Covina is a different animal from the pitched ranch roofs that dominate most of the city, and it shows up most often on additions, patio covers, and the growing number of detached ADUs on acreage parcels in the 91792 area. A flat roof here typically runs $9 – $16 per square foot installed, which puts most residential flat roof replacements between $8,000 and $18,000 depending on decking condition and the system you choose. The San Gabriel Valley’s dry heat bakes membrane roofs hard, and winter rains exploit every seam, crack, and penetration that UV has spent the summer opening up.
We scope flat roofs on their own, not as an afterthought bolted onto a main-house bid. On a lot with a detached shop or ADU, the flat roof on that structure gets its own square count, its own decking inspection, and its own material decision. Tying it into the main roof’s scope without checking the underlying structure is how homeowners end up with change orders.
Single-Ply Membrane Systems
TPO and PVC membranes hold up well under West Covina’s UV load when the seams are hot-air welded and the flashing details are done right at parapet walls and penetrations. For most residential flat sections here, TPO in the 60-mil range gives the best balance of cost and heat resistance.
Modified Bitumen for Older Structures
On older additions where the decking movement makes a heat-welded membrane risky, a torch-down or self-adhered modified bitumen system often fits better. We’ll match the system to the structure, not force one material onto every flat roof we see.
Roof Installation in West Covina
Roof Installation in West Covina, whether it’s a full tear-off and re-roof on a 1963 ranch house or a new roof on a detached ADU off South Azusa Avenue, starts with understanding what the existing structure can actually carry. Full roof replacements in West Covina run $14,000 – $32,000, with architectural shingles accounting for most of the shingle work we do. New construction roof installation on an outbuilding or workshop typically lands between $12,000 and $20,000 depending on the roof’s footprint, pitch, and whether the structure needs decking from scratch.
Acreage parcels add real labor. A shingle delivery truck and a 30-yard dumpster physically cannot reach some back-lot structures, and that gap between the road and the roof plane gets priced as labor hours, not magic. We walk the lot before we bid. We measure the haul distance. We mark where equipment can and can’t go. Then we give you a number that includes the actual path to the roof, not the path a satellite photo assumes exists.
Architectural Shingle Installation
Architectural shingles are the standard we recommend for most West Covina homes. They carry a 30- to 50-year manufacturer rating depending on the brand and line, and they handle the dry heat better than three-tab shingles ever did. On the low-pitch gable roofs common to the 91791 ZIP, proper underlayment and valley protection matter more than the shingle itself.
New Construction and ADU Roofs
When a homeowner adds an ADU or replaces the roof on a detached shop, the roofing system needs to be spec’d as its own project, not a copy of the main house. The pitch usually differs. The exposure to wind and sun usually differs. And on county land around West Covina, the permit and inspection path usually differs too.
Trusted Brands We Service in West Covina
We’re authorized installers for seven roofing brands, including GAF, CertainTeed, Owens Corning, and Boral. That breadth means we don’t have to wedge a West Covina home into a material it doesn’t suit just because it’s what we carry. Tamko and IKO give us solid value-tier options when the budget demands it; GAF and CertainTeed cover the premium end. Seven leading brands, one honest recommendation. For flat roofs, we work with the membrane manufacturers whose systems match the structure. Local parts and material runs to West Covina suppliers keep turnaround tight, and we don’t make a homeowner wait on a backordered shingle from another region.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in West Covina Homes
- Second-layer overlays failing over original wood shakes. The late-1950s and 1960s building boom left thousands of West Covina ranch homes with shake roofs that later got covered by a shingle overlay. The dry heat cups and splits those shakes underneath, and the shingle layer above starts telegraphing every defect. We check for what’s under the top layer before we ever quote a tear-off in the 91790 and 91791 ZIP codes.
- Soft plywood and board sheathing from 60+ years of dry heat. The San Gabriel Valley doesn’t rot sheathing with rain; it bakes it brittle and then the occasional winter rain finds every crack. On low-pitch gable roofs, that means decking replacement drives the square count and the price, not the shingle.
- Acreage lot drainage pushing water against fascia and penetrations. On open parcels where grading has shifted over decades, winter runoff can push against fascia and soffit lines and get blamed on the flashing. We look at the site drainage when we scope the roof, because roof replacement won’t fix a water problem that starts at the ground.
- Detached shops, outbuildings, and ADUs scoped as an afterthought. A homeowner gets a bid for the main house, then discovers the detached garage or ADU roof wasn’t in the scope. We scope every structure on the lot from the start, each with its own square count and decking condition, so the bid means what it says.
Pricing for Roof Replacement in West Covina, CA
Here’s what we see in West Covina’s market as of this year. A full tear-off and architectural shingle replacement on a typical 1,600 – 2,200-square-foot ranch runs $16,000 – $26,000. If the original sheathing is shot, add $3,500 – $7,000 for decking replacement. Flat roof sections on additions or ADUs run $9 – $16 per square foot, and a detached shop roof generally lands between $10,000 and $18,000 depending on size and access. Long material hauls on acreage lots add labor hours, and those hours show up in the bid as an access line item, not a vague “site conditions” fee. Call (833) 589-7971 and we’ll walk the property, measure the roof, and give you a line-item written quote with no change-order games.
We Also Serve Cities Near West Covina
Our crews work throughout the eastern San Gabriel Valley, including Valinda, South San Jose Hills, La Puente, and Irwindale. If you’re just outside the West Covina city line, the same county-versus-city permitting questions apply. See our West Covina coverage page for details on how we scope acreage parcels across the region.
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
Yes, and which one depends on the parcel. Much of the unincorporated Los Angeles County acreage around West Covina falls outside city building-department jurisdiction, so the roof replacement on that parcel runs through a county permit and inspection sequence rather than a West Covina one. We determine the jurisdiction before we bid and handle the permit pull either way. Call (833) 589-7971 and we’ll check your parcel.
Because when the original 1960s wood shakes began to fail, the cheapest fix a previous owner could get was a shingle overlay right on top of the shakes instead of a tear-off. The dry heat then cupped and split those trapped shakes, and the overlay is now the second layer that’s failing. We check for this before bidding a tear-off in the 91790 and 91791 ZIP codes, because it changes the decking scope and the price. Estimating a simple re-cover when two failing layers are sitting on aging sheathing is how change orders get born.
We scope it as its own roof. The detached structure gets its own square count, its own decking inspection, and its own material decision, and all of that appears as a separate line item on the quote. On acreage parcels where a dumpster can’t reach the structure, we also price the actual haul path and access labor. Call (833) 589-7971 for a quote that covers the whole lot, not just the main house.
Mostly architectural shingles over a full ice-and-water shield in the valleys, with ridge ventilation sized to the roof’s low pitch. The original low-pitch gable roofs in West Covina were never designed to breathe well, so ventilation and valley protection usually do more for the roof’s life than the shingle brand. We’ll match the shingle to your budget and the underlayment to your roof’s actual slope.
We walk the lot before we quote. We measure the distance from the road to the roof plane, mark where a dumpster and a shingle delivery truck can physically go, and price the labor and hauling that the actual access requires. We don’t assume the satellite view matches reality. Call (833) 589-7971 to schedule a site walk with Roland Vega before you sign anything.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving West Covina and the eastern San Gabriel Valley. From the first inspection to the final nail.