Metal roofing
Architectural shingles
Tile roofing
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 Repair Across Orange County
Roof repair in Orange County runs $340 – $1,450 for most residential jobs, depending on what failed and how far the damage spread. That’s the honest range – not a teaser number we inflate at the door. Brennan Roofing Co Orange County puts the price on paper before any work starts, and the number does not move. If you’ve got a leak over the kitchen table in Costa Mesa or wind-lifted shingles in Santa Ana, call (559) 258-5703 and a live person answers. Not a voicemail. Not a callback queue.
We know Orange County roofs because we work on them every week – the 1960s tract homes with original composition shingles, the 2000s master-planned communities with builder-grade underlayment, the Mediterranean tile jobs in the hills. Each one fails differently. Each one gets the same Garrison Standard: background-checked technicians in uniform, a written quote before work begins, and a one-year warranty in writing.
Key Takeaways:
- Most Orange County roof repairs cost $340 – $1,450, with full reroofs running higher.
- We put the price in writing before any work starts – always.
- Every repair carries the 365-Day Done Right Promise: free return visit if it fails within one year.
- We service the whole county, from Anaheim Hills to Newport Beach.
- Call (559) 258-5703 for a free estimate – a live person answers, day or night.
Why Brennan Roofing Co Orange County Is Orange County’s Preferred Roof Repair Company
Homeowners in Orange County have been burned before. The roofer who no-shows. The crew that leaves nails in the driveway. The price that was $900 on the phone and $2,400 at the front door. We built our company to be the answer to that. Travis Oakley leads Brennan Roofing Co Orange County under the Garrison Code – a defined, written standard that governs how we price, who we send, and what we warranty. There’s no fine print to decode.
Our technicians arrive in uniform, background-checked, and inside the promised window. You know exactly who’s on your roof. We source from GAF, CertainTeed, and Owens Corning lines because those manufacturers hold up under Orange County’s UV load better than bargain alternatives. And when a repair fails within the first year – which is rare but possible on an older Orange County roof – we return at no charge. That’s the 365-Day Done Right Promise, and it’s in writing.
We’re an independently owned and operated member of the Garrison Partners family, founded in 2000. Dispatch and scheduling for Orange County jobs are coordinated from our Los Angeles office, but the crews you’ll see on your roof live and work here in the county. We book by neighborhood, not by zip code roulette, so a Huntington Beach repair doesn’t wait behind a Long Beach reroof.
Styles & brands we work with






Shingle Roof Repair in Orange County
Shingle Roof Repair in Orange County is the most common call we take. The county’s dominant housing stock – single-family tract homes built between 1950 and 1980 – sits under composition shingle roofs that are now hitting end-of-life at roughly the same time. A typical shingle repair on an Orange County home runs $350 – $900 for isolated damage, and $900 – $1,450 when decking underneath has rotted and needs replacement. That’s the price on paper before we touch the roof.
The failure pattern here is predictable. Intense UV exposure bakes the asphalt out of shingles until they curl at the edges and shed granules. Santa Ana winds then work those curled edges like a crowbar, lifting shingles and exposing the fasteners. The lack of rainfall means homeowners rarely notice until a winter storm finally drives water through the gaps and into the ceiling.
Curling and Granule Loss
Composition shingles in Orange County age faster than their rated lifespan suggests. A 30-year shingle on a coastal Los Angeles roof might last 22 years. The same shingle on an inland Orange County roof with full sun exposure often shows curling at 15. We replace individual damaged shingles where possible, and we always inspect the underlayment beneath before declaring the repair complete.
Decking Rot Beneath Failed Shingles
When shingles fail slowly, water seeps into the plywood decking and rots it from below. By the time the leak shows on a ceiling, the decking is often gone. We cut out the damaged square, replace the rotted decking, and install new shingles over fresh underlayment. On Orange County homes built in the 1960s and 1970s, we regularly find decking rot within 18 inches of any long-term shingle leak.
Storm Damage Roof Repair in Orange County
Storm Damage Roof Repair in Orange County usually means Santa Ana wind damage, not rain. The county’s storm season is short but intense – winter fronts bring heavy rain in concentrated bursts, while the autumn Santa Anas arrive with 50 – 70 mph gusts and embers. Repairs after a wind event run $400 – $1,200, depending on how many shingles lifted and whether the underlayment held. After a rain-driven leak, expect $500 – $1,400 once decking and insulation are accounted for.
We respond to storm damage calls across the county. If you’re looking at a lifted ridge vent or a torn section of drip edge after a Santa Ana event, call (559) 258-5703. We’ll get a technician out to assess the damage, put the repair scope in writing, and start only after you approve the number.
Wind-Lifted Shingles and Ridge Vent
Santa Ana winds hit roofs differently than coastal gusts. They come from the northeast, driving against the ridge line and the leeward slope – the side most roofs weren’t designed to brace for. We see ridge vents torn loose in Anaheim Hills and Orange Park Acres after nearly every serious wind event. The repair means re-securing or replacing the vent, then sealing the nail line so the next wind can’t get under it.
Rain-Driven Leaks After the First Winter Storm
Orange County’s dry months hide a lot of damage. Hairline cracks in flashing, gaps around vent boots, missing shingle tabs – none of it shows until the first real rain. Then the leak appears. We trace the water path from the stain on the ceiling back to the entry point on the roof. That matters, because water travels sideways along rafters. The visible stain is rarely directly under the hole.
Trusted Brands We Service in Orange County
We install and repair shingle systems from GAF, CertainTeed, and Owens Corning, and we stock common replacement parts locally for Orange County customers – ridge cap, starter strip, pipe boots, and flashing profiles that match what’s already on your roof. When a 1970s tract home in Orange needs three replacement shingles, we don’t special-order from a warehouse in another state. We pull the right match from local stock and finish the job the same afternoon. Every repair we do on a branded system carries the 365-Day Done Right Promise: one year, in writing, free return if it fails.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Orange County Homes
- Builder-grade underlayment degrading under UV. On 2000s master-planned homes, builders installed felt underlayment that bakes brittle under Orange County’s sun. We find hidden decking rot beneath shingles that look fine from the ground, and it only surfaces during the first winter storm.
- Improper flashing around tile roof penetrations. Mediterranean-style tile roofs in Orange County communities leak slowly around skylights and vent pipes when flashing wasn’t sealed correctly at installation. With little rainfall, the leak goes unnoticed until ceiling stains appear months later.
- Skipped starter strip and drip edge on older repairs. DIY or unlicensed work on 1960s composition shingle roofs often omits starter strip and drip edge. Wind-driven rain curls the shingle edges and exposes the fascia to dry rot – a repair we then have to re-do correctly.
- Ember intrusion in canyon-adjacent neighborhoods. In Anaheim Hills, Yorba Linda, and Silverado Canyon, Santa Ana winds carry embers into attic vents and under old shake roofs. We install ember-resistant vents and Class A materials on every repair in those zones, because the brush-covered foothills don’t negotiate.
Pricing for Roof Repair in Orange County, CA
Here’s what roof repair costs in Orange County, in real numbers. A basic shingle replacement on a tract home in Orange or Santa Ana: $350 – $900. Flashing repair around a skylight or vent pipe: $300 – $700. Flat roof patch on a coastal commercial or residential job in Costa Mesa: $500 – $1,100. Vent boot replacement: $250 – $500. Valley repair where two roof planes meet: $450 – $950. When decking is rotted, add $150 – $300 per sheet. These are the numbers we put on the estimate – before any work begins, always in writing, and the figure does not change at the door.
Call (559) 258-5703 for a free estimate. We’ll assess the repair, hand you a written line-item quote, and you decide. No pressure, no price adjustment at the door. If the number on paper is what we agreed to, that’s the number on the invoice.
We Also Serve Cities Near Orange County
Brennan Roofing Co Orange County serves the full county, including Orange County neighborhoods from Santa Ana and Orange to Costa Mesa and Newport Beach. If you’re in a canyon community like Anaheim Hills or a coastal neighborhood in Huntington Beach, our Roof Repair team covers your area with the same written-price standard and the same one-year guarantee.
Serving Orange County, CA - Our Local Coverage Area
We’re based in the Orange County 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 Orange County
If your existing roof is not a Cool Roof, a basic repair does not trigger a full Cool Roof conversion on most Orange County homes. What it can affect is material choice if the repair expands beyond a certain square footage. In several Orange County jurisdictions, replacing more than 50% of a roof plane requires that the new materials meet Cool Roof reflectance standards. Our repair estimates account for that threshold, and we’ll tell you in writing if your repair crosses it. Call (559) 258-5703 for a specific answer on your roof.
Yes, in most Orange County master-planned communities you need HOA approval for any material change, and sometimes for color-matching changes. Replacing a few damaged tiles with identical material is usually considered maintenance and doesn’t require review. But if the repair involves a different shingle color, a new vent profile, or any visible architectural change, the HOA’s architectural committee often wants to see the scope first. We’re used to working with Orange County HOAs and can provide the color swatches, material specs, and scope documents they request. The goal is getting your repair done without a violation letter showing up later.
Generally no, a repair performed by a licensed contractor does not void a builder warranty on the roof system, but the repaired area itself becomes the responsibility of whoever did the repair. What voids warranties is improper repair work – using non-matching materials, installing over failed underlayment, or skipping the manufacturer’s installation specs. Our repairs follow the manufacturer’s installation guidelines for the specific shingle system on your home, and every repair carries its own one-year written warranty through our 365-Day Done Right Promise. If a builder warranty dispute comes up, we’ll provide documentation showing the repair was done to spec.
Because the building code in Anaheim Hills – and across the high fire hazard severity zones of Orange County’s eastern foothills – requires ember-resistant vents on any repair that touches the vent system. If we’re replacing a damaged vent boot or ridge vent, the new component must be ember-resistant under California’s wildfire building standards. It’s not upsell. It’s code, and it exists because Santa Ana winds drive embers into ordinary attic vents faster than anyone can react. A roofer who skips that in Anaheim Hills is leaving a hole in your fire defense and signing you up for a non-compliant repair.
Yes, and it’s worse inland than on the coast. Orange County’s UV index and heat load shorten composition shingle life substantially compared to coastal Los Angeles. A 30-year shingle in Santa Ana or Orange can show edge curling at 12 – 15 years, especially on south-facing and west-facing slopes. The good news: curling alone doesn’t always mean a full reroof. We can often replace the affected shingles and buy you several more years, as long as the underlying decking hasn’t rotted. Call (559) 258-5703 and we’ll assess the damage, then give you a written repair number before any work starts.
Written by Travis Oakley, Owner at Brennan Roofing Co Orange County, serving Orange County with the Garrison Standard since 2000.