Architectural shingles
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Salt Air Decides the Roof in Los Alamitos Faster Than the Shingles Do
Roof replacement in Los Alamitos usually costs between $14,500 and $28,000 for a full tear-off on a typical 1,200 to 1,800 square foot single-story home, with architectural shingle roofs landing in the $16,000 to $24,000 range. The number most homeowners don’t see coming is the metal line item: stainless steel flashing, hot-dip galvanized drip edge, and coated fasteners add $1,200 to $2,800 over the inland-spec version of the same job. But that coastal-spec hardware is what keeps a Los Alamitos roof from failing at the fasteners a decade before the shingles would.

We’re Select Roof Repair, and we’ve worked on enough 1950s and 1960s tract homes between Katella Avenue and the Los Alamitos racecourse to know exactly what the marine layer does to a roof here. Noel Carrasco leads our roofing team, and we’re the only trade we practice. If you’re pricing a replacement, call (855) 382-0485 and we’ll come out, inspect what’s actually failing, and give you a written estimate that separates coastal-spec costs from the standard line items. No charge for the estimate.
Fast, Reliable Roof Replacement Across Los Alamitos
We run roofing crews through Los Alamitos every week. The homes we work on most sit in the post-war tracts south of Katella and east of Los Alamitos Boulevard, plus the slightly newer neighborhoods around Rossmoor’s border. When you call, we schedule inspections by specific neighborhoods, so a homeowner in the 90720 ZIP near Oak Middle School isn’t waiting until we happen to be passing through. A roof replacement in Los Alamitos typically takes 3 to 7 days once we start, depending on decking condition and whether we need to re-flash multiple penetrations.
We know the city’s building code requires permitting for full tear-offs, and we pull those permits ourselves. We also know what the inspector will look for on a 1950s home with a furnace flue and water-heater vent poking through the roofline. That’s the work people skip, and it’s the work the marine layer punishes first. If you want a roof replacement estimate that accounts for the actual conditions on your street, call (855) 382-0485.
Styles & brands we work with






Why Select Roof Repair Is Los Alamitos’s Preferred Roof Replacement Company
We’re a Roof Replacement specialist, not a general contractor who happens to install shingles between kitchen remodels. Every inspection we write for a Los Alamitos home starts with the same question: what’s actually failing, and what’s the cheapest correct fix? Sometimes that’s a full replacement. Sometimes it’s re-flashing the furnace penetration and replacing two valleys. We tell you which one fits, because we install roofs from seven manufacturers and have no reason to push a specific brand. GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral are all in our portfolio. The product we recommend depends on your exposure to Santa Ana wind, your roof slope, and your budget. Not on what we happen to have in the warehouse.
Homeowners in Los Alamitos consistently mention two things when they call us back: we show up when we say we will, and our written line-item bids don’t change once the tear-off starts. On replacement, we pull permits, we pass inspections, and we warranty our workmanship. The warranty is written into the contract, not promised over the phone. Noel Carrasco has built the company around a simple rule: write the spec the house needs, and the price follows from that.
Roof Installation in Los Alamitos
Roof Installation in Los Alamitos nearly always means a tear-off and replacement on an existing mid-century home, not fresh construction on an empty lot. The city is largely built out, and most of the single-family stock dates from the 1940s through the 1970s. A full installation here starts with removing the existing layers – often two or three layers on homes that had a re-roof in the 1980s over the original shingles – then inspecting the decking, re-flashing every penetration, and laying a complete new system.
A standard architectural shingle roof installation on a Los Alamitos home runs $16,000 to $24,000. If the decking has soft spots from years of leak-drip at rusted flashings, that number moves up $1,500 to $4,000 depending on how many sheets of plywood need replacement.
Full Tear-Off and Decking
Los Alamitos homes with layered roofs hide problems. We typically strip to bare decking, check for rot at every penetration and valley, and replace damaged sheathing before anything new goes down. That’s the only way to know the new roof isn’t fastened into soft wood.
New Construction and Additions
When a Los Alamitos homeowner adds a room or replaces an old patio cover, we install the new roof section to match the main house. This includes matching architectural shingle profile and color, plus spec’ing stainless or hot-dip galvanized flashing from the first nail. Additions tie into existing eaves and valleys, which is exactly where salt-air corrosion shows up first.
Roof Replacement Contractor in Los Alamitos
A Roof Replacement Contractor in Los Alamitos should be able to tell you, within the first ten minutes of a site visit, whether the shingles are the problem or the metal underneath is. The distinction matters here more than in most Orange County cities, because the coastal air corrodes galvanized flashing and standard zinc-plated fasteners long before the shingle surface wears out. That means a “new roof” with the wrong hardware is a 12-year roof dressed as a 30-year one.
Our replacement estimates break out the line items: underlayment, ice and water shield at valleys and eaves, drip edge (we spec 24-gauge minimum, hot-dip or stainless at coastal exposure), flashing around every penetration, fasteners, shingles, ridge vent, permits, disposal. You can compare our bid against any other contractor’s and see exactly where the money goes. That’s the point.

Coastal-Spec Hardware
We write stainless steel flashing and coated fasteners into every Los Alamitos replacement where the roof sees marine-layer exposure. This is the single biggest upgrade that stands between a roof that lasts and one that fails at the nails in eight years.
Re-Flashing Every Penetration
Furnaces, water heaters, swamp-cooler-era vents, and roof-mounted AC units all poke through Los Alamitos roofs. Many of them are still surrounded by the original galvanized flashing from the 1960s. Rusted through. We re-flash them all in stainless, and we install ice and water shield at each penetration before the new shingles go down.
Trusted Brands We Service in Los Alamitos
We install and service residential roofing products from CertainTeed, Owens Corning, IKO, Atlas, and several other leading manufacturers. For Los Alamitos homes with coastal exposure, we typically recommend architectural shingles with a high wind rating, because Santa Ana events hit the flat, exposed tracts hard. CertainTeed Landmark and Owens Corning Duration are both excellent choices for single-story ranch homes with 4:12 or 5:12 slopes. For low-slope sections over garages and additions – common on Los Alamitos houses – we specify IKO or Atlas products designed for modified bitumen or torch-down systems. We stock local parts in our Westminster yard, so material lead times for Los Alamitos projects are typically under a week.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Los Alamitos Homes
- Rusted galvanized flashing at furnace and water-heater penetrations. The shingles around these penetrations often look fine from the ground, but the metal underneath has been eating salt air since the Eisenhower administration. Marine-layer damp drips into the decking, rot starts in the attic, and the first visible sign is a ceiling stain.
- Fastener corrosion on roofs that were re-roofed with standard zinc-plated nails. A contractor specifies cheap hardware, the nails rust out in ten to twelve years, and shingles start sliding or lifting even though the shingle material itself has decades of life left. We see this on homes throughout the 90720 and 90721 ZIP codes.
- Layered roofs hiding soft decking. Many 1950s and 1960s Los Alamitos homes got a second layer of shingles in the 1980s or 1990s over the original. That hides failing valleys and soft decking until a Santa Ana wind strips a section or the first real rain finds every weak point at once.
- Roof-mounted HVAC and swamp-cooler-era equipment with failing seals. Old equipment curbs and penetrations were flashed with galvanized metal that’s now rusted through at the seams. Even when the HVAC unit works fine, the roof around it leaks, and the decking underneath is the first thing to rot.
Pricing for Roof Replacement in Los Alamitos, CA
A full tear-off and architectural shingle roof replacement on a typical Los Alamitos single-story home runs $16,000 to $24,000. Smaller homes with simple gable roofs and minimal penetrations can land closer to $14,500. Homes with multiple roof penetrations, low-slope sections over additions, or decking replacement from hidden rot run $24,000 to $28,000 or more depending on square footage. The coastal-spec hardware upgrade we write into nearly every Los Alamitos bid adds $1,200 to $2,800 – stainless flashing, coated fasteners, heavier drip edge. That’s the difference between a roof built for this marine-layer air and one spec’d for inland Orange County. If another bid comes in $2,000 lower, ask whether the fasteners are standard zinc-plated and the flashing is standard galvanized. Then ask how long they expect that to hold up on a house three miles from the coast.
Every estimate is free, written, and line-itemed. Call (855) 382-0485 to schedule a roof assessment. We’ll tell you what’s actually failing and what it costs to fix it right.
We Also Serve Cities Near Los Alamitos
We run roof replacement crews throughout this corner of northwest Orange County. Beyond Roof Replacement in Los Alamitos, we regularly work in Rossmoor, Hawaiian Gardens, Cypress, and La Palma. Each city has its own housing stock and its own exposure to the marine layer, and we spec each roof accordingly. If you’re in one of those areas, the drive time is short and the estimate is free.
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
Because the hardware spec changes. A standard inland roof uses galvanized flashing and zinc-plated fasteners. On a Los Alamitos roof three to five miles from the coast, that hardware rusts through in ten to fifteen years, long before the shingles wear out. We specify stainless steel flashing at every penetration, coated fasteners, and heavier-gauge drip edge. That adds $1,200 to $2,800 to the bid, but it’s the difference between a 12-year roof and a 30-year one. The cheap spec costs more within a decade, because you pay for the same roof twice. Call (855) 382-0485 for a line-itemed bid that shows exactly what you’re paying for.
Yes. Every roof penetration is a leak point, and on a Los Alamitos home the original galvanized flashing around those penetrations is almost certainly rusted through. During your replacement, we strip the old flashing, inspect the decking underneath for rot, install ice and water shield around each penetration, and re-flash in stainless steel. The additional cost per penetration runs $200 to $500 depending on size and condition, but skipping this step means your new roof leaks at the furnace within a few years. Call (855) 382-0485 and we’ll inspect every penetration before we write the estimate.
Line up the line items side by side: underlayment type and brand, ice and water shield locations, drip edge gauge and finish, flashing material at every penetration, fastener type, shingle brand and wind rating, ridge vent type, permit costs, and disposal. On a Los Alamitos home, the key differences will be in the metal: stainless versus galvanized flashing, coated versus zinc-plated fasteners, 24-gauge versus 26-gauge drip edge. A bid that’s $2,000 lower almost always has weaker metal on it. Those are the roofs that fail at the hardware, not the shingle. Our estimates are written so you can compare apples to apples. Call (855) 382-0485 for a free estimate.
Yes. Many homes in the 90720 and 90721 ZIP codes were originally built with three-tab shingles and later re-roofed with architectural shingle profiles. We carry products from CertainTeed, Owens Corning, IKO, Atlas, and other manufacturers, which gives us a wide range of color and profile matches for a partial replacement or an addition that needs to blend with the main house. If your home has a low-slope section from an old addition, we’ll spec a material designed for that slope rather than forcing shingles where they’ll fail. Call (855) 382-0485 and we’ll match what you have.
Both do. The marine layer’s salt-laden morning damp accelerates corrosion on flashing and fasteners, so the spec we write for Los Alamitos always upgrades the metal. Santa Ana wind events, which hit the flat, exposed tracts in this city hard, mean we recommend architectural shingles with a high wind rating – 110 mph or better – rather than standard three-tab. CertainTeed Landmark and Owens Corning Duration are our most common recommendations for Los Alamitos ranch homes. The shingle choice matters, but on these homes the metal spec is what decides how long the roof actually lasts. Call (855) 382-0485 for an exact recommendation on your house.
Written by Noel Carrasco, Owner at Select Roof Repair, serving Los Alamitos roofing customers with roofing-only expertise and a seven-manufacturer product portfolio.