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
Roofers in Costa Mesa, CA
Roofing in Costa Mesa means working with two very different sets of conditions: salt air and marine layer moisture near the coast, and intense inland sun on 1950s and 1960s tract homes further from the water. The housing stock here is predominantly single-family, low-slope and composite shingle construction, which means most calls involve granule loss, flashing failures at the edges, and coastal corrosion on exposed metal. Brennan Roofing Co Orange County handles full replacement, repair, and inspection work under The Garrison Standard: a written price before any work starts and a one-year written guarantee on every job. Call (559) 258-5703 to talk through what your roof needs.
Why Costa Mesa Homes Are Different
Costa Mesa’s roofscape splits along a line that runs roughly with the 55 Freeway. West of it, toward the ocean, homes sit in the marine layer for part of most mornings, and that moisture feeds algae growth on north-facing slopes and accelerates corrosion on exposed flashing, vents, and fasteners. East of it, the sun does the damage: intense UV breaks down shingle granules year-round, and Santa Ana winds in the fall test every edge detail, drip edge, and ridge cap the roof has.
The housing stock compounds both problems. Most single-family homes in Costa Mesa were built between 1950 and 1980, which means original decking that has seen decades of thermal cycling, and low-slope sections that hold water longer than steeper roof planes should. In Mesa Verde specifically, original 1960s wood shake roofs are coming off in favor of Class A fire-rated composite materials, driven by updated wildland-urban interface code requirements. That change is not cosmetic: the newer codes exist because ember intrusion is a real risk in this part of Orange County, and the materials matter.
Homes near South Coast Plaza and the newer mixed-use buildings along the freeway corridor tend to be newer construction with different underlayment and ventilation systems than the tract homes around them. The point is that a Costa Mesa roof cannot be treated as a generic Southern California roof. The materials, the fasteners, the underlayment spec, and the replacement schedule all change depending on where the house sits and what was built there originally.
Styles & brands we work with






Our Main Costa Mesa Services
Most Costa Mesa homeowners reach us for one of three reasons: a full replacement, a targeted repair, or an inspection before a purchase or a sale. Each one has its own page for Costa Mesa, so you can get into specifics there.
Roofing Company in Costa Mesa
Full roof replacement in Costa Mesa is a tear-off and rebuild process that starts with the decking, moves to underlayment, then drip edge, flashing, and the finished surface. Coastal homes need corrosion-resistant fasteners and heavier underlayment; inland tract homes often need decking repair before anything else can go down. We write the full price before any work starts and install materials from manufacturers including GAF and CertainTeed. Read more on the Roofing Company in Costa Mesa page.

Roof Repair in Costa Mesa
Repairs in Costa Mesa run the spectrum from replacing a few storm-lifted shingles to rebuilding a flashing detail where the marine layer has worked through the sealant over time. The most common calls we get are for leaks at vent boots, deteriorating pipe collars, and edge flashing that loosened during a Santa Ana event. The answer is usually more involved than a tube of sealant, which is why every repair we do goes on paper with a price before work starts. See the Roof Repair in Costa Mesa page for cost ranges and what specific repairs involve.

Roof Inspection in Costa Mesa
Inspections matter more in Costa Mesa than in inland cities: the combination of salt air and intense UV means surfaces can look functional from the ground while fasteners, flashing, and underlayment are degrading out of sight. We inspect decking condition, granule retention, flashing seals, ventilation, and drainage with a written report at the end. That report is what a homeowner needs before a sale, a purchase, or a major storm season. See the Roof Inspection in Costa Mesa page for what we check and what it costs.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Costa Mesa
We work with manufacturer lines including GAF, CertainTeed, Owens Corning, and IKO, and we explain the options in plain English so you can choose with confidence rather than rely on a label. The brands we install are backed by real manufacturer warranties, and we carry parts and materials for these systems locally. See our brands for details.
See the difference
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After
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After
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AfterPricing for Roofers in Costa Mesa, CA
| Service | Typical range in Costa Mesa |
|---|---|
| Flat roof replacement | $375 – $475 per square |
| Shingle roof replacement | $425 – $525 per square |
| Roof repair | $350 – $1,500 |
| Roof inspection | $0 – $250 |
| Large roof repair | $1,500 – $3,000 |
| Roof snow removal | $350 – $700 |
| New flat roof | $375 – $475 per square |
| New shingle roof | $425 – $525 per square |
Two things push a Costa Mesa roof quote higher than it would be inland: the fasteners and flashing required to handle salt air, and the decking repair many 1950s-to-1970s tract homes need once the old surface is stripped. That is precisely why we put the full price on paper before any work starts, so there are no surprises at the door and no change orders after the tear-off. Call (559) 258-5703 for an exact quote.
Neighborhoods We Serve in Costa Mesa
We cover the whole city, from the coastal side where corrosion is the dominant problem to the inland tracts where UV granule loss and wind are the main concerns.
- Mesa Verde
- College Park
- Freedom Homes
- Halecrest
- Upper Newport Bay area
Scheduling moves faster in some Costa Mesa neighborhoods than others depending on permit processing and access, but we will give you a straight answer on timing when you call.
Service Area – Cities Near Costa Mesa
Costa Mesa sits in the middle of a cluster of Orange County cities we cover regularly. Crews serving Costa Mesa also handle work in Newport Beach, CA, Santa Ana, CA, Tustin, CA, and Orange, CA. Dispatch and scheduling for Costa Mesa are coordinated from our metro office, but the crews on your roof are assigned locally.
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 Roofers in Costa Mesa
Yes, full reroofs in Costa Mesa require a permit, and the city inspects the work. We pull permits for every replacement we do and schedule the inspection through to close-out. Repairs that do not change the roof surface typically do not require one.
Crews assigned to Costa Mesa are dispatched locally, and scheduling depends on the job type and current weather. For an inspection or estimate, we will give you a firm window on the call. Call (559) 258-5703 for current availability.
No. The Garrison Standard means the price goes on paper before any work begins, and it does not move at the door. Any additional decking or flashing work discovered during a tear-off is priced and agreed to in writing before we proceed, never after the fact.
If you are ready for a roof replacement, a repair, or an inspection in Costa Mesa, call (559) 258-5703 for a free estimate with a written price before any work starts. Travis Oakley and the Brennan Roofing Co Orange County crew work to The Garrison Standard: written prices, background-checked uniformed technicians, and a 365-Day Done Right Promise in writing on every job.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Costa Mesa Customers Say
"Crew lead is a veteran and runs the job like it. Showed up at 7 sharp, tarped the garden, tore off the old roof, and had the new shingles on by the end of day two."
- Joe K."Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."
- Elaine D."Honest inspection with photos. Told me I only needed a repair, not a replacement."
- Sergio P.