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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 Repair Across Costa Mesa
Roof repair in Costa Mesa usually costs between $350 and $1,800 depending on what failed, and most repairs we quote are done in a single visit. That number changes fast when salt-air corrosion is involved, because the foggy west side breaks roofs differently than the inland sun does. If you’re seeing a stain on the ceiling or shingle grit in the gutter, call (866) 942-4187 for a straight answer on what your roof actually needs.
Our Roof Repair crews work Costa Mesa streets weekly, from the 1950s tracts west of Harbor Boulevard to the newer builds around South Coast Metro. We know which roofs hold up and which ones hide rot under perfectly good-looking shingles.
Why Orange County Roofing Co Is Costa Mesa’s Preferred Roof Repair Company
We’re material-agnostic. That matters in Costa Mesa because the right material on the coastal side of town is not the right material six blocks inland. We carry seven major brands, including Owens Corning, IKO, and Atlas, so a bid from us reflects what your roof actually needs near the marine layer, not whichever brand we happen to stock.
Kurt Hensley built the company around one principle: inspect first, repair what’s failing, and never sell a replacement when a repair will do. In Costa Mesa, that honesty shows up in small ways. A homeowner near the Newport border called us for a leak. Another company quoted a full reroof. We found two corroded vent boots and a failed valley flashing, fixed all three for under $900, and the roof is still dry three years later.
Costa Mesa homeowners call us because our reviews in the 92626 and 92627 ZIP codes consistently mention the same thing: we explain what’s wrong in plain language and we show up when we say we will.
Styles & brands we work with






Storm Damage Roof Repair in Costa Mesa
Storm Damage Roof Repair in Costa Mesa usually traces back to the Santa Ana winds we get each fall, not rain alone. The winds lift shingle edges and tear flashings loose on older 1960s hip roofs, then the first real rain drives water through the gaps. A wind-damaged roof often looks fine from the street, so we start storm jobs with a close inspection of eaves, ridges, and any penetration where water could enter.
Wind-Lifted Shingles and Ridge Damage
Santa Ana gusts hit the north-south ridge lines hard on exposed roofs near Fairview Park and along the bluffs. We see shingles lifted at the nail line and ridge caps cracked loose. A shingle replacement after a wind event in Costa Mesa typically runs $450 to $950 depending on how many squares are involved.
Leaks After the First Fall Rain
The first rain after a Santa Ana event exposes every weak point that wind opened up. We respond quickly to Costa Mesa homes during that first wet spell. A tarp-and-stopgap repair runs $250 to $500, and the full fix usually lands between $600 and $1,400 once the roof is dry enough to work on.
Metal Roof Repair in Costa Mesa
Metal Roof Repair in Costa Mesa is almost always a corrosion story. The marine layer and salt air off the Newport border eat through galvanized metal far faster here than inland Orange County, so we inspect fasteners, flashings, and sealant joints before the panels themselves. Metal roofs rarely fail at the panel; they fail at the fastener. A metal roof repair in Costa Mesa typically runs $500 to $2,000 depending on whether we’re replacing fasteners, resealing laps, or rebuilding a corroded penetration.
Fastener Corrosion and Panel Seams
On metal roofs near the coast, the screws fail first. Water wicks around the rusted washers, drips onto the deck, and shows up as a ceiling stain far from the actual source. We often replace all fasteners on the affected slope, re-seat the panels, and seal the laps with marine-grade sealant.
Rusted Penetrations and Flashing
Vent pipes and exhaust penetrations on a metal roof collect salt spray and fog moisture. The flashing collar rusts through, and the gasket underneath dries out. We replace the collar, install stainless hardware, and reseal the boot so it does not leak again in three years, which is exactly what happens when a cheap galvanized boot goes back on.
Trusted Brands We Service in Costa Mesa
We install products from seven major manufacturers. That means when a Costa Mesa roof needs a shingle match or a specific warranty tier, we can usually match it. We stock common components from Owens Corning, IKO, and Atlas for fast turnaround on repairs across Costa Mesa, and we can order specialty pieces from any of the seven brands we carry. You’re not buying whatever brand we happen to have in the yard. You’re buying the right material for your house and your exposure. GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, Boral, we install them all, so we can recommend honestly.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Costa Mesa Homes
- Corroded drip edge and valley flashing on north-facing slopes. The marine layer keeps the 92627 side wet until mid-morning most of the year, and galvanized metal gives out long before the shingles do. We routinely find rusted-through flashing on the north slope while the sunny side looks nearly new.
- Soft decking under original 1950s and 60s flashings. Many west-side Costa Mesa homes still sit on their original skip-sheathing, and moisture trapped under old flashing softens the wood. A shingle-only repair fails within a season when the deck underneath is rotten.
- Algae and moss holding water on shaded slopes. Streets with mature trees and heavy morning fog, like the older tracts near Estancia Park, grow enough moss on the roof to trap moisture year-round. The shingles peel, the fasteners corrode, and the attic gets damp every fall.
- Vent boots split by salt air. The rubber boots around plumbing stacks dry out and crack faster near the coast, and the metal collars rust through. We see more vent boot failures per square mile in Costa Mesa’s 92627 than almost anywhere else we work.
Pricing for Roof Repair in Costa Mesa, CA
Here’s the honest range for Costa Mesa. A single shingle replacement runs $250 to $400. A leaking vent boot is $350 to $600. A valley flashing replacement lands between $700 and $1,200. The big wildcard is decking: if we pull shingles and find soft wood, expect $300 to $800 in rot repair per section. Coastal-spec hardware, stainless fasteners, hot-dip flashing, and marine-grade sealant, adds 15 to 20 percent to the materials line, but it delays the next repair by years rather than months. Every estimate from us is free, and we give you a written line-item quote before any work starts. Call (866) 942-4187 to schedule yours.
We Also Serve Cities Near Costa Mesa
Our crews handle Roof Repair in Costa Mesa and regularly work the surrounding areas, including Newport Beach, Fountain Valley, Huntington Beach, and San Joaquin Hills. If you’re just over the border in any direction, the same crew and the same coastal-spec approach apply. Call (866) 942-4187 and mention where you are; we’ll schedule the same week in most cases.
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 Repair in Costa Mesa
The north slope stays wet from the marine layer well into the day, so algae grows, moisture soaks into the shingle mat, and the fasteners and flashings corrode while the south slope bakes dry and looks fine. The damage is almost always at the metal, not the shingle itself. Call (866) 942-4187 and we’ll inspect both slopes, because the north side is where the leak starts.
On the west side of Costa Mesa, yes. Standard electro-galvanized fasteners and flashings corrode through in a few years near the salt air, while stainless or hot-dip galvanized hardware lasts the life of the shingle. We use coastal-spec hardware on every repair in the 92627 ZIP code because the cheap spec costs more within a decade.
Coastal-spec means stainless or hot-dip galvanized fasteners, marine-grade sealant, and heavier-gauge flashing that resists salt corrosion and constant dampness. Inland-spec uses standard galvanized components that work fine in Corona or inland Irvine but fail early in Costa Mesa’s fog belt. The coastal spec adds about 15 to 20 percent to materials, but it prevents the exact failure you’re hiring us to fix from coming back.
On a 1950s or 60s tract home on Costa Mesa’s west side, the odds are high. The original flashings trap moisture from the marine layer, and the skip-sheathing underneath rots over decades even when the shingles above look okay. We inspect the decking as part of every repair, and if we find rot, we show you before we replace it. Call (866) 942-4187 for an inspection, notes and all; estimates are free.
Storm damage repair focuses on wind-lifted shingles and ridge gaps opened by Santa Ana gusts, sealed before the first rain. Metal roof repair near the coast focuses on corroded fasteners and rusted flashing, not the metal panels themselves. Both get coastal-spec hardware so the fix lasts, not a repeat of the same failure.
If your roof is leaking, corroding, or showing damage from the last wind event, call Orange County Roofing Co at (866) 942-4187 for a free estimate. We’ll inspect the roof, walk you through what we find, and quote the repair honestly.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Costa Mesa residents with straight answers and coastal-spec roof repair.