Metal roofing
Architectural shingles
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GAF
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Costa Mesa
Roof replacement in Costa Mesa typically runs between $9,800 and $22,000 for a standard single-family home, with most tear-off and architectural shingle jobs landing around $14,000 to $18,000. We’re Orange County Roofing Co, and our crews work Costa Mesa neighborhoods from the 92626 college-adjacent blocks to the 92627 streets near the Newport border every week. The marine layer off the coast changes how roofs age here, and a bid written for an Irvine tract home won’t serve a 1960s Costa Mesa stucco house. Call (866) 942-4187 for a free estimate that accounts for what your specific roof actually needs.
Why Orange County Roofing Co Is Costa Mesa’s Preferred Roof Replacement Company
We carry seven major shingle brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Costa Mesa, where one side of town fights salt-air corrosion and the other sits under the same coastal fog with a different housing stock entirely. We’re not tied to selling you one manufacturer’s product, so the recommendation you get is based on your roof’s exposure, pitch, and decking condition, not on the margin we’d make. Kurt Hensley built the company around that principle.
Costa Mesa homeowners call us after their first leak at a valley or pipe boot, and they call us when a home inspection flags a roof before a sale. Our Roof Replacement team has torn off roofs on both sides of the 55, from College Park to the State Streets, and we know which blocks still have the original skip-sheathing under a second layer of shingles. That local pattern recognition means our bids include the line items other contractors often leave out until the job is already underway.
Styles & brands we work with
New Roof Installation in Costa Mesa
New Roof Installation on a Costa Mesa home means a full tear-off down to the framing, a deck inspection, code-required repairs, and a complete system built back up: underlayment, ice and water shield at valleys and eaves, drip edge, flashings, shingles, and ventilation. We recommend a full tear-off rather than a re-cover on most Costa Mesa homes because the west-side 1950s and 1960s roofs were built over skip-sheathing, and laying a second shingle layer over questionable decking is how a $2,000 problem becomes a $9,000 one in three years. A standard full replacement in Costa Mesa runs $11,000 to $19,000 for a 1,200 to 1,800 square foot roof using architectural shingles.
Deck Replacement Before It’s a Judgment Call
When we tear off an older Costa Mesa roof, we expect to find at least a few sheets of plywood or shiplap that need replacing. We write an allowance into the contract up front, and we show you photos of any bad decking before we touch it. You approve the added cost in writing. Nothing inflates on the back end.
Ventilation and Marine-Layer Moisture
Fog-bound roofs on the 92627 side hold moisture on the north slopes for hours after the sun clears the east side. Proper ridge and soffit ventilation keeps the attic dry and extends the life of the new shingles. We spec ventilation on every new install, not as an upsell but because algae streaking and premature underlayment failure are the direct result of a roof that can’t dry out.
Reroofing in Costa Mesa
Reroofing in Costa Mesa usually means putting a new shingle layer over one existing layer, and we’ll only recommend it when the existing shingle layer and the decking beneath are both sound. That’s a smaller pool of homes here than the national average, because the coastal moisture has been working on fasteners and flashings for 50 to 70 years on many properties. A re-cover runs $7,500 to $12,000 on a typical Costa Mesa rancher, but we’ll tell you honestly if your house is a tear-off candidate instead and why.
When a Re-Cover Makes Sense
If a roof has one existing shingle layer, intact decking, and no soft spots around the flashings, a re-cover saves the cost of a full tear-off. Some newer east-side 1970s and 1980s homes in 92626 fall into this category. We still pull back shingles at representative points to check the deck before we commit.
Why Re-Covering Fails on Fog-Belt Roofs
The homes near the Newport border in 92627 are the wrong candidates for re-covers. Salt-laden air has been corroding the original fasteners under the shingles for six decades, and the old underlayment is often compromised even where the shingle granules still look intact. A new layer over that just hides the corrosion until a leak opens up. We’ll show you what we find and let the roof make the argument.
Trusted Brands We Service in Costa Mesa
We install Owens Corning, IKO, and Atlas products regularly on Costa Mesa homes, along with four other major brands. Because we’re not locked into a single manufacturer, we can match the warranty tier and aesthetic to the budget you set, not the one we’d prefer. Common Costa Mesa selections include Owens Corning’s Duration line for the coastal wind and moisture exposure, and Atlas’ architectural shingles for homeowners who want a strong warranty at a lower price point. Parts and underlayment are sourced through local supply yards, so tear-off to finish rarely waits on materials.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Costa Mesa Homes
- Corroded flashings and fasteners. The salt air off the Newport Beach border eats galvanized flashings and fasteners on 92627 roofs. Leaks at valleys, pipe boots, and chimney flashings show up years before the shingles fail.
- Soft decking hidden under original flashings. We recently tore off a 1962 stucco home near the Newport border in 92627 and found the original skip-sheathing soft under the flashings on the north-facing slope, even though the sun-facing shingles looked fine. The homeowner approved the decking upgrade in writing before we touched it.
- Algae streaking and moss on north slopes. The marine layer keeps the north-facing roof planes damp well into the day most of the year. Dark streaks and moss aren’t just cosmetic; they hold water against the granules and shorten shingle life.
- Re-roofed-over skip-sheathing. Many Costa Mesa west-side homes have already been re-roofed once over the original skip-sheathing. Without a deck inspection at tear-off, the new underlayment and ice and water shield go down over wood that can’t hold fasteners, and the whole system fails early.
Pricing for Roof Replacement in Costa Mesa, CA
A full tear-off and architectural shingle replacement in Costa Mesa runs $11,000 to $19,000 for most single-family homes between 1,200 and 1,800 square feet. Smaller bungalows in 92627 can come in around $9,800 to $12,000. Larger 1970s and 1980s two-story homes in 92626 with steeper pitches and more flashing details sit in the $16,000 to $22,000 range. What moves the number: decking replacement, roof pitch, the number of penetrations, and whether you choose a basic architectural shingle or a premium line like Owens Corning Duration. Every estimate we write is a line-by-line quote, not a single aggregate number. Call (866) 942-4187 for your free estimate.
We Also Serve Cities Near Costa Mesa
We work throughout central Orange County, and our Costa Mesa crews regularly cross over into Costa Mesa‘s neighboring communities. Newport Beach, Fountain Valley, Huntington Beach, and San Joaquin Hills are all within our normal service area, and the marine-layer conditions that shape roofing decisions in Costa Mesa follow us into each of those cities.
Serving Costa Mesa, CA — Our Local Coverage Area
We’re based in the Costa Mesa 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 Costa Mesa
Because the salt-laden marine air off the coast corrodes metal flashings, pipe boots, and fasteners decades before the shingles lose enough granules to matter. The damp, foggy conditions near 92627 keep roofs wet longer and accelerate the corrosion. Your shingles may look fine while the valleys and penetrations are already leaking.
Opening walls is rare on a roof replacement, but if we uncover rotted framing under the eaves or around vent openings, the city requires the damaged framing to be repaired or reinforced to current code. That can add structural sheathing and framing labor to the job. We write an allowance into your contract so you know the ceiling on that cost before we start, and we price any surprise in writing before we touch it.
We stop, photograph the damage, show you exactly what we found, and give you a written price for the replacement before we pull another nail. Your contract includes a per-sheet decking allowance so you already know what the added cost will be if we find soft wood. Nothing gets approved verbally, and nothing gets billed without your signature.
Know the difference between a tear-off and a re-cover, what skip-sheathing means, why ice and water shield goes in the valleys, and what a drip edge does. Also ask whether the bid includes new flashing or reuses the old metal. On a coastal Costa Mesa roof, reusing old flashing is how you pay for the same leak twice.
Yes. We install architectural shingles with a starter strip, corrosion-resistant fasteners, new drip edge, and ice and water shield at valleys and eaves on every Costa Mesa replacement. The shingle itself is only part of the waterproofing system. The fasteners and flashings are what fail first in the salt air, and that’s where our installation spec differs from an inland Orange County job. Call (866) 942-4187 for an exact quote on your roof.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Costa Mesa and central Orange County since our founding.