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 Los Alamitos
Full roof replacement in Los Alamitos typically runs $14,000 to $28,000 for a standard single-story home, with architectural shingle work landing between $16,000 and $24,000 and flat roof replacement between $11,000 and $19,000. Most jobs take three to five working days once materials are on site. We’ve replaced roofs from the 1950s tract streets near Katella to the newer builds east of the 605, and we know GAF in Los Alamitos handles this city’s marine-layer conditions differently than roofs ten miles inland. Call (833) 589-7971 and we’ll walk the roof with you, tell you what’s actually failing, and hand you a written line-item estimate. No pressure. No vague talk about “wear and tear.” Just the truth about what your roof needs and what it should cost here.
Why Hollywood Roofing Co Is Los Alamitos’s Preferred Roof Replacement Company
Most of our Los Alamitos work comes from referrals. A neighbor watches us tear off a roof on Coleridge Drive, sees the way we keep the job site clean, and calls us before the next bidding cycle. That’s how it works in a city this tight, where the homes share walls of shared history and the homeowners talk.
We’ve never chased review volume. What we have is a consistent pattern: Los Alamitos customers who hired us for a repair ten years ago call us when the roof finally gives out. That continuity matters, because the person who inspected your roof has the history. The person who replaces it knows which valleys were already flashed twice and which side of the house catches the marine layer hardest.
We reach Los Alamitos fast because we’re based in Hollywood and we schedule dedicated crews for Orange County work, not drive-by subs. When you call, you get a real appointment, a real roofer at your door, and a real answer about your roof’s condition. For an honest roof inspection in Roof Replacement in Los Alamitos, our team is available by phone at (833) 589-7971.
Styles & brands we work with






Reroofing in Los Alamitos
Reroofing in Los Alamitos means removing the existing shingle layer, inspecting the decking beneath, and installing a new roofing system that’s specced for this city’s marine-layer moisture and coastal air. For many mid-century tract homes, reroofing is a better decision than a full replacement only if the decking is still sound and there’s just one existing shingle layer. The truth we tell homeowners here is that decking under 1950s and 1960s roofs is often worse than it looks from the curb. Soft spots hide under shingles that still look fine. A reroof over bad decking is a waste of money.
A reroof in Los Alamitos typically runs $9,500 to $16,000 depending on shingle weight, roof complexity, and whether we’re replacing flashing and drip edge or reusing the existing metal. If we can save the decking, you save thousands. If we can’t, you find out before we nail anything down, not after.
When Reroofing Makes Sense
Reroofing works when the shingles are at end of life but the roof structure is intact. We see this often on Los Alamitos homes built in the 1970s with composition shingles that have hit their 25-year mark. The decking under them often held up well, because the roof has good ventilation and the homeowner kept the gutters clear of leaves from the tree-lined streets. When that’s the case, reroofing saves money and gets you a new roof in about two days.
When Reroofing Is the Wrong Call
The wrong call is when the decking is soft, the rafters show water staining, or the roof has already been reroofed once before. Building codes limit the number of shingle layers, and Los Alamitos permits often require full tear-off when the existing roof has two layers. We’ll tell you straight which path you’re on. The decision costs you nothing to talk through.
Flat Roof Replacement in Los Alamitos
Flat roof replacement in Los Alamitos is a different trade from shingle work, and this city has a lot of flat and low-slope roofs. The 1950s and 1960s tracts off Katella and along the 605 corridor often feature low-slope designs that were originally built with built-up roofing or early composition roll roofing. After sixty years, most of those systems are done. We replace them with modern single-ply membranes or tapered systems that move water off the roof instead of letting it pond.
Flat roof replacement in Los Alamitos runs $11,000 to $19,000 for a typical single-story home, depending on square footage, the number of penetrations, and whether we’re adding insulation or a tapered system to correct drainage. Marine-layer moisture makes flat roofs here especially vulnerable, because water that sits on a flat roof for hours each morning finds every seam, every staple, every weakness in the membrane.
Marine-Grade Fasteners and Sealed Joints
The flat roofs we replace in Los Alamitos fail most often because of rusted fasteners and unsealed joints, not because the membrane itself gave out. We spec hot-dip galvanized fasteners and sealed-joint details on every flat roof we install here. The cheap alternative, electro-plated hardware, starts rusting within a few years in salt-laden air. You won’t see the rust until the leak shows up on your ceiling. By then, the deck under the membrane is already rotting.
Decking Reality on Older Flat Roofs
Flat roofs built in the 1960s often have plywood decking that’s never been exposed. When we tear off the old membrane, that’s the first time anyone has seen the deck in decades. On one low-slope 1960s tract home off the 605 corridor near the Race Course, we found the original fasteners had backed out of the decking, letting the underlayment wrinkle and pond water along the drip edge. We tore off to the deck, re-sheeted the soft spots, laid ice and water shield through the valleys and penetrations, and reset the flat roof with hot-dip galvanized fasteners and sealed joints instead of the electro-plated ones that had rusted out. The homeowners noticed the difference the next time the morning dew burned off and the ceiling stains never came back.
Trusted Brands We Service in Los Alamitos
We install seven leading roofing brands, and we don’t push one over another because a supplier told us to. We install GAF and CertainTeed for homeowners who want the top-tier material warranties and the broadest color palettes. We install Tamko and IKO for budget-conscious projects where the homeowner still wants a solid 25-year shingle. And for Los Alamitos flat roofs, we work with Boral tile and single-ply systems that stand up to coastal moisture better than standard roll roofing. The right brand for your roof depends on your home’s pitch, your exposure to the marine layer, and your budget. We’ll show you all seven options and tell you which one we’d put on our own house in your neighborhood. Visit our Roof Replacement page for the full scope of what we handle.
See the difference
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After
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Before
AfterCommon Roof Replacement Problems We See in Los Alamitos Homes
- Soft decking under shingles that still look fine. The marine layer keeps roofs wet most mornings, and decades of that moisture rots the plywood or plank decking before the shingle surface shows obvious wear. We find this constantly on homes built between 1950 and 1975. The decking is the structural layer of the roof, and it has to be addressed during replacement. You can’t reroof over it and hope it dries out.
- Fasteners backing out along the 605 corridor. Homes near the freeway and the Race Course endure constant low-level vibration from trucks and traffic. Over time, that vibration works starter strip nails and field nails loose. Shingles lift at the ridges and valleys. Flashing separates from the roof plane. On a roof that hasn’t been inspected in years, this is often the first sign of trouble.
- Rusted drip edge and flashing at the eaves. Salt air near Los Alamitos is hard on metal. The electro-plated drip edge and standard galvanized flashing that came on many original roofs rust within a decade or two, and once the metal corrodes, water finds its way under the shingles and into the fascia. We replace it with marine-grade materials that are designed for this environment.
- Moss growth on north-facing slopes. North-facing roof planes in Los Alamitos get almost no direct sun, especially during the marine-layer months. Moss and algae take hold in the constant dampness, and their roots work into shingle granules and eventually the shingle itself. We see this most on homes with large tree coverage and on roofs that haven’t been cleaned or inspected in five or more years.
Pricing for Roof Replacement in Los Alamitos, CA
A standard shingle roof replacement in Los Alamitos runs $14,000 to $28,000, with most homes landing between $16,000 and $24,000. Architectural shingles cost a bit more than three-tab but last significantly longer and handle the marine-layer moisture better. Flat roof replacement runs $11,000 to $19,000. Reroofing over sound decking runs $9,500 to $16,000.
What moves the price: square footage, roof pitch, the number of existing shingle layers, decking condition, whether we’re replacing skylights or doing perimeter work, and whether you want a standard inland spec or the marine-grade hardware spec this city actually needs. The marine-grade spec costs about 8 to 12 percent more upfront. The cheap spec costs way more within a decade when the fasteners rust out and the decking rots. We’ll give you both numbers side by side, in writing.
We Also Serve Cities Near Los Alamitos
If you’re just across the city line, we regularly work in Los Alamitos and nearby Rossmoor, Hawaiian Gardens, Cypress, and La Palma. The same marine-layer considerations apply across these communities, and the same honest pricing holds. If you’re close enough to smell the ocean some mornings, you’re close enough to need the right spec.
Serving Los Alamitos, CA — Our Local Coverage Area
We’re based in the Los Alamitos 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 Los Alamitos
A coastal-spec roof in Los Alamitos costs 8 to 12 percent more upfront because it uses stainless or hot-dip galvanized fasteners, marine-grade drip edge, and sealed joints at every penetration and valley instead of standard electro-plated hardware. The cheap spec fails within a decade in this salt-laden air, and by then you’re paying to tear off the roof again and replace the rotted decking underneath. The premium spec is cheaper over the life of the roof. Call (833) 589-7971 and we’ll give you both numbers in a written estimate.
On most 1950s Los Alamitos tract homes, yes, at least partially. The original decking has spent sixty to seventy years under a roof that gets wet almost every morning from the marine layer, and we routinely find soft spots and rot even when the shingles look fine from the ground. We won’t know the full extent until tear-off, but we typically budget for some decking replacement on any pre-1975 home. We show you the deck before we cover it, so you know exactly what we saw and what we replaced.
Constant low-level vibration from trucks and event traffic works roofing fasteners loose over time, especially along ridges and valleys. Shingles lift, flashing separates, and water finds its way into gaps that shouldn’t exist. Homes within a quarter mile of the 605 corridor or the Race Course are the most affected. We check fastener tightness and ridge integrity on every inspection, and it’s one reason we recommend inspections more frequently for homes in that zone.
The right flat roof spec for Los Alamitos is a single-ply membrane over decking that’s been checked for rot, with hot-dip galvanized or stainless fasteners, sealed penetrations, and a drainage path that moves water off the roof instead of letting it pond. We also recommend ice and water shield through valleys and around any penetrations like plumbing vents or skylights. If your current flat roof ponds water after a heavy dew or a rain, that’s a sign the drainage has failed or the roof structure has sagged, and it needs to be addressed before you install a new membrane. For an exact spec and price, call (833) 589-7971.
Compare the spec, not just the price. Ask each bidder what fastener type they’re using, what drip edge material they’re installing, whether they seal penetrations, and whether they include decking replacement. A bid that’s 10 percent cheaper because it uses electro-plated fasteners and standard drip edge will cost you more within a decade than the higher bid that specs marine-grade hardware. Ask for the line items. If a roofer won’t show you the line items, that’s your answer. We publish ours, and we’re happy to walk through them with you before you sign anything.
If your roof is approaching the end of its service life, or if you’re seeing water stains on your ceiling or rust trails at your eaves, call (833) 589-7971. We’ll inspect the roof honestly, tell you what’s failing and what isn’t, and give you options with real prices. No pressure. No games. Just the facts, and a roof that’s built for this city.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving Los Alamitos since opening our Orange County division.