Architectural shingles
Metal roofing
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 Costa Mesa
Roof replacement in Costa Mesa typically runs between $11,500 and $24,000 depending on the home’s square footage, pitch, decking condition, and whether you’re east or west of the 405. Most full tear-offs take three to six working days once we begin. If you’re in the 92626, 92627, or 92628 ZIP and the roof is leaking, sagging, or past 20 years old, call (866) 860-9404 for a straight assessment before you spend anything.
We work in Costa Mesa every week. We know the difference between a Mesa Verde tile roof, a Westside bungalow with flat sections, and the mid-century tracts off Harbor where original sheathing is the real issue. That local knowledge changes the quote you get and the roof that ends up on your house.
Why Willowbrook Roof Repair Is Costa Mesa’s Preferred Roof Replacement Company
We’re material-agnostic, which in plain language means we don’t have a deal with one shingle maker that steers every recommendation. We install and service GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral product lines. On a coastal-adjacent Costa Mesa roof with morning marine layer and Santa Ana exposure, the right material decision follows your roof’s pitch, decking, and budget, not our inventory.
Nate Corrigan leads our crew and has spent years opening up older Orange County roofs. When we say your original skip sheathing won’t hold a nail, it’s because we’ve pulled it off a hundred Westside bungalows, not because a sales script told us to push a re-deck. Our Costa Mesa customers keep our schedule full through referrals from neighbors, and we treat every job on a tight lot with shared property lines as if the next referral depends on it. It usually does.
Styles & brands we work with






Roof Replacement Contractor in Costa Mesa
A Roof Replacement Contractor in Costa Mesa handles the full tear-off, decking assessment, underlayment, flashing, field installation, and final clean-up on a home where repair no longer makes financial sense. For the 1940s-through-60s housing stock across 92627, this often means the roofing work is only half the job. The other half is correcting what’s underneath. A typical full replacement on a 1,200-to-1,600-square-foot Costa Mesa home runs $13,000 to $21,000 before any decking or framing correction is priced in. Permit-triggered upgrades, especially on older Westside and Eastside homes, move that number in ways we’ll explain line by line before any work starts.
Inspection Before Any Contract
We do not quote a roof from the street. We walk it, check the attic, look at the eaves, and test the decking at key points. On a Costa Mesa home built before 1970, the condition of the original sheathing is usually the biggest unknown, so we write allowances into the contract upfront instead of pretending the number won’t move.
Change Order Discipline
Any additional work we find during tear-off gets photographed, priced in writing, and approved by you before we continue. We never open a roof and then hand you a surprise invoice at the end of the week. That has burned too many Costa Mesa homeowners already, and it is exactly the practice we refuse to repeat.
Asphalt Shingle Roof Replacement in Costa Mesa
An Asphalt Shingle Roof Replacement in Costa Mesa means tearing off the existing field, correcting the decking where needed, laying new underlayment rated for coastal moisture, and installing architectural shingles with proper starter strips, hip caps, and ridge venting. For most Costa Mesa homes, architectural asphalt shingles are the practical choice. They hold up to Santa Ana gusts better than three-tab, they shed marine-layer moisture well on a properly pitched roof, and they come in a wide enough color range to suit the stucco-heavy 92627 streetscape. Expect $9,800 to $16,500 for a typical 1,200-to-1,400-square-foot single-story home in Costa Mesa, with the higher end reflecting steep pitches, cut-up roof lines, or attic-to-decking corrections that surface during tear-off.
Architectural vs. Three-Tab
We strongly recommend architectural shingles for Costa Mesa’s wind and moisture patterns. They are thicker, carry higher wind ratings, and hide minor decking imperfections better on older framing. Most of the Costa Mesa roofs we replace get architectural products from GAF, CertainTeed, or Owens Corning, selected after we assess your roof’s specific geometry and exposure.
Skip Sheathing Correction
On 1940s and 1950s Costa Mesa bungalows, we frequently find skip sheathing, which is open-spaced board decking never meant for modern shingle installation. In that case, the correct move is re-decking with solid plywood or OSB over the original framing before underlayment goes down. We catch this during the initial inspection and price it as a written allowance so it does not surprise you mid-project.
Trusted Brands We Service in Costa Mesa
We work across seven major roofing manufacturers, more brand coverage than most roofers stocking one or two lines, and that matters when you’re matching a 1950s Costa Mesa bungalow to the right shingle weight, profile, and warranty. In Costa Mesa we most often install IKO and Atlas architectural lines for their high-wind ratings on low and standard slopes, and Boral products when a Westside homeowner wants to keep a clean, classic profile that suits the mid-century stucco look. We also service Tamko and the full GAF, CertainTeed, and Owens Corning lines. Because we are not locked into any one supplier, our recommendation follows your roof and budget, not a promotional agreement.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Costa Mesa Homes
- Original skip sheathing on 1940s – 60s bungalows: The old boards are spaced too far apart and too degraded to hold nails. Replacing field shingles over it just means the new roof flexes and telegraphs within a year or two.
- Marine-layer moisture at the flat-to-pitch transition: On Westside and Eastside homes with flat-with-fascia sections, morning damp sits on original underlayment and corroded fasteners. The leak shows up inside on the ceiling long before the field shingle looks worn.
- Santa Ana wind damage to ridge caps and flashing: The hot, dry wind events we get every autumn in Costa Mesa lift ridge caps and bend flashing at roof transitions. We see a cluster of calls every year after the first strong Santa Ana event.
- Tight side-yard access and shared property lines: On close-set Costa Mesa lots, tear-off debris and material staging often can’t go in the side yard at all. Alley-side or street-side handling and neighbor coordination add moving parts that an open-lot inland bid never accounts for.
Pricing for Roof Replacement in Costa Mesa, CA
Here are real ranges for the Costa Mesa market. A standard architectural asphalt shingle replacement on a 1,200-square-foot home runs $9,800 to $16,500. A full tear-off with re-decking on a Westside bungalow with skip sheathing runs $14,000 to $22,000. If original framing needs correction, which happens more often in 92627 than anywhere else in the city, expect to add line-item costs we document and approve in writing before we proceed. The two biggest variables in Costa Mesa are decking condition and access. Tight lots with alley-only staging cost more to handle than a wide-open South Coast Metro tract. Call (866) 860-9404 for a free estimate and written breakdown.
We Also Serve Cities Near Costa Mesa
Our Roof Replacement in Costa Mesa service area extends into Newport Beach, Fountain Valley, Huntington Beach, and San Joaquin Hills. If you live in any of those communities, our Roof Replacement team can handle inspection, repair, and full replacement with the same material-agnostic approach we bring to every Costa Mesa job.
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
The bid moves because the original decking and framing were never visible until the old roof came off. Most Westside and Eastside homes in 92627 were built between the 1940s and 1960s with skip sheathing and rafter tails that have spent six decades in marine-layer moisture. We handle this by inspecting first, writing decking and framing allowances into the contract, and getting every added cost approved in writing before we continue. Call (866) 860-9404 to get your home inspected before you get quoted.
A 1,200-square-foot single-story Costa Mesa home is typically a 12-to-15-square roof depending on pitch and overhangs. A 1,600-square-foot home usually runs 16-to-20 squares. Roofing squares, which each cover 100 square feet, are calculated from actual roof surface area, not the home’s floor plan, so a cut-up bungalow on the Westside can measure more squares than a larger but simpler South Coast Metro tract home. Our written estimate lists the square count and material quantity line by line.
Yes. The coastal-adjacent marine layer that settles over Costa Mesa most mornings keeps north-facing and low-slope roof sections damp for hours, which accelerates moss and algae growth and corrodes fasteners and flashing over decades. On original underlayment, that moisture works its way to the low-slope-to-pitch transitions where leaks show up inside rather than on the shingle field. We spec underlayment and flashing with that moisture cycling in mind on every Costa Mesa roof, not just the ones that already leak.
Architectural shingles install at 110-to-130-mph wind ratings, and yes, Santa Ana events change the way we install. We add extra fasteners in the windward zones, use starter strips with proper nail patterns, and verify ridge cap adhesion before we finish. The combination of hot dry Santa Ana winds from the east and marine-layer moisture from the west gives Costa Mesa a mixed exposure profile most generic roof installs were never built for.
Yes. We regularly replace roofs on Costa Mesa lots where the side yard is three feet wide and the neighbor’s fence is two feet from the eave. We coordinate staging from the alley or street side, protect the neighbor’s property with hang sheets where needed, and schedule the tear-off and material drops so we are not blocking a shared driveway longer than necessary. The handling cost is real, but it’s priced upfront and planned, not improvised.
If your Costa Mesa roof is at the age where replacement is on the table, start with an inspection. We’ll tell you what you need, what it costs, and why. Call (866) 860-9404 to schedule a free estimate with Willowbrook Roof Repair.
Written by Nate Corrigan, Owner at Willowbrook Roof Repair, serving Costa Mesa and surrounding Orange County communities.