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
Trusted Roof Repair for Orange County Homeowners
A roof leak in Orange County rarely announces itself politely. It starts as a water stain on the ceiling, a damp smell in the attic, or granules collecting in the gutter after every rain. By the time you see it inside, water has already worked through the surface layer and into the decking. Brennan Roofing Co Orange County fixes roof damage the same day we find it, with a written price in hand before any work starts. Travis Oakley leads our crew, and every technician who steps onto your roof is background-checked and in uniform. Call (559) 258-5703 for a free estimate.
Roof Leak Repair
Leak Repair in Orange County typically costs between $350 and $1,200 depending on where the water is getting in and how far it has traveled. We trace the leak to its source, which is rarely where the stain shows up on your ceiling. Water runs along rafters and underlayment before it drips, so the entry point might be ten feet from the visible damage. Brennan Roofing Co Orange County finds the actual breach, repairs it, and puts the price on paper before any work begins.
Finding the True Entry Point
We start inside the attic with a flashlight and a moisture meter, tracing water stains back to their highest point. From there we inspect the roof surface above that spot. Flashing Repair, pipe collars, and valley intersections are the usual suspects in Orange County homes, especially after our winter rains.
Repairing Flashing and Seals
Flashing is the metal channel that directs water away from chimneys, vents, and roof valleys. When it corrodes or pulls away, water follows the gap. We replace damaged flashing sections and reseal pipe collars with the correct sealant for the material, then test the area with a hose before we call the job done.
Styles & brands we work with






Emergency Roof Repair
Emergency Roof Repair in Orange County typically costs between $450 and $1,800 depending on the extent of the damage and whether we are securing the roof until a full repair can be scheduled. A tree limb through the decking, wind-lifted shingles exposing the underlayment, or water pouring through a light fixture all qualify. Brennan Roofing Co Orange County responds fast, answers the phone with a live person, and gives you a written price before work begins.
Securing the Opening
The first job is stopping water from doing more damage. We tarp and seal the opening securely so rain cannot reach the decking or insulation. Orange County gets most of its rain between November and March, but a tarp goes on the same day regardless of the forecast.
Permanent Repair After Triage
Once the emergency opening is sealed, we schedule the permanent fix. That may mean replacing decking, underlayment, and shingles, or rebuilding a section of tile. The emergency price covers the immediate stopgap; the full repair gets its own written estimate before any work starts.
Flat Roof Repair
Flat Roof Patch repair in Orange County typically costs between $500 and $2,500 depending on the membrane type and the size of the affected area. Flat roofs fail differently than pitched ones. Water ponds instead of running off, and any low spot becomes a slow leak waiting to happen. Brennan Roofing Co Orange County repairs torch-down, modified bitumen, TPO, and PVC flat roof systems across Orange County, and we always put the price on paper first.
Ponding Water and Membrane Wear
A flat roof should drain within 48 hours after rain. If water stands longer than that, the membrane is under constant stress. We inspect low spots, check the condition of the membrane, and determine whether the fix is a patch, a coating, or a tapered system to improve drainage.
Seam and Flashing Repairs on Flat Systems
Most flat roof leaks begin at seams, penetrations, or where the membrane meets a parapet wall. We clean the area, apply the correct adhesive or heat-weld depending on the membrane, and reinforce the seam. Every repair gets our 365-Day Done Right Promise in writing: if it fails within a full year, we come back free.
Shingle Roof Repair
Shingle Replacement and repair in Orange County typically costs between $300 and $900 for a standard repair of a few missing or damaged shingles. Asphalt shingles are the most common roofing material in Orange County, and they fail in predictable ways: wind lifts them, sun bakes the edges until they curl, and hailstones knock the granules loose. Brennan Roofing Co Orange County matches the shingle color and profile as closely as possible, then seals the repair to the surrounding roof.
Replacing Damaged Shingles
We remove the damaged shingle without disturbing the ones around it, check the underlayment beneath, and install the replacement with the correct nail pattern. On a hot Orange County afternoon, shingles seal themselves within a day or two. In cooler weather, we hand-seal the tabs so wind cannot lift them before the adhesive cures.
Granule Loss and Curling Edges
Granules protect the asphalt from UV breakdown. When they wash into your gutters, the shingle underneath is exposed and aging fast. Curling edges mean the shingle is drying out and becoming brittle. If we catch these signs early, a targeted repair saves you from a much larger replacement bill later.
Storm Damage Roof Repair
Storm Damage Roof Repair in Orange County typically costs between $400 and $2,000 depending on what the storm left behind. We do not get hurricanes here, but Santa Ana winds routinely top 50 mph in the canyons, and a wet winter can dump several inches of rain in a single week. High winds lift shingles and tear flashing. Heavy rain finds every existing weak point and turns it into a leak. Brennan Roofing Co Orange County documents the damage, gives you a written price, and repairs the roof before the next system moves through.
Wind-Lifted Shingles and Tiles
Wind gets under the leading edge and bends the shingle or tile backward. Even if it settles back down, the seal is broken. The next gust catches it again. We reseal or replace every lifted piece, not just the ones that look worst.
Rain-Driven Leaks After a Storm
After heavy rain, water shows up in the places your roof was already vulnerable: old flashing, worn pipe collars, clogged valleys. We track the entry point, repair the breach, and seal the surrounding area. If the repair fails within one full year, our 365-Day Done Right Promise means we come back free.
Metal Roof Repair
Metal Roof Repair in Orange County typically costs between $400 and $1,500 for isolated repairs such as seam resealing, fastener replacement, or panel patching. Metal roofs last a long time, but fasteners loosen as the panels expand and contract through Orange County’s hot days and cool nights. When a fastener backs out, water follows the screw hole. Brennan Roofing Co Orange County repairs standing seam and corrugated metal roofs, matching the existing panel profile and finish.
Loose Fasteners and Worn Washers
The rubber washer under each metal roof screw breaks down from UV exposure and thermal cycling. Once the washer goes, the screw hole becomes a direct route for water. We replace worn fasteners with new screws and washers rated for the panel system, then check the surrounding area for others about to fail.
Seam Separation and Panel Damage
Standing seam panels can separate at the seam over time, especially on roofs with a shallow pitch. We re-seat the seam and seal it with the correct sealant for the metal and finish. If a panel is dented or punctured, we can patch the section or replace the panel depending on the extent of the damage.
Commercial Roof Repair
Commercial Roof Repair in Orange County typically costs between $800 and $5,000 depending on the roof system, the size of the affected area, and whether interior water damage needs to be addressed. A leaking commercial roof in Orange County puts inventory, equipment, and employees at risk. We repair built-up, modified bitumen, TPO, and metal commercial roofs for offices, warehouses, and retail spaces throughout the county. Same as residential work, every commercial repair starts with a written price before any work begins.
Flat and Low-Slope Commercial Systems
Most commercial roofs in Orange County are flat or low-slope, which means drainage design determines how long the roof lasts. We inspect the membrane, flashings, and drains, then identify the leak source before recommending a patch, coating, or seam repair.
Minimizing Business Disruption
We schedule commercial work around your business hours when possible, and we protect the work area while we are on the roof. The goal is to complete the repair with as little interruption as we can, and to give you documentation of what was fixed and what it cost, in writing.
Brands We Service
We install and repair roofs from the manufacturer lines homeowners in Orange County actually ask for by name. GAF is one of the most common systems we work on, and we know their shingle profiles and installation specs well enough to match repairs without guesswork. CertainTeed is another line we see frequently on newer homes, and their starter strips and ridge caps have specific installation requirements we follow exactly.
We also service Owens Corning systems, where granule color matching matters for curb appeal, and IKO and Atlas for homeowners who need an exact profile match after storm damage. Whatever roof system is on your home, we can identify it, source the correct materials, and perform the repair to the manufacturer’s specification.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water stains on the ceiling or walls. A stain means water has already saturated the decking or drywall. The leak may have been active for weeks, and the longer it runs, the more the repair will cost.
- Granules collecting in the gutters. Asphalt shingles shed granules as they age. A heavy buildup in the gutter means the protective surface is wearing off and the shingles beneath are degrading.
- Missing, cracked, or curled shingles. Any shingle that is no longer lying flat is a path for water. Wind can remove more shingles around the gap, expanding the damage quickly.
- Daylight visible through the attic. If you can see light through the roof boards from inside the attic, water can get through those same openings. This is a structural concern, not just a cosmetic one.
- Sagging areas on the roof line. A dip or wave in the roofline usually means the decking beneath has absorbed water and lost its strength. That is beyond a simple patch and needs inspection right away.
Our Process, Step by Step
- 1
You call, a live person answers. No voicemail, no automated menu. We take the details, ask about what you are seeing, and schedule a visit for a free estimate. Every call is answered 24/7.
- 2
We inspect the roof and find the source. Travis Oakley or one of our technicians walks the roof, checks the attic, and uses moisture detection to trace the leak to its origin. We photograph everything so you can see what we see.
- 3
You get a written price before any work starts. The estimate covers materials, labor, and any disposal fees. The number does not move at the door. If we find additional damage during the repair, we stop and get your sign-off before proceeding.
- 4
We make the repair and clean up the site. Our technicians are background-checked and in uniform. We use the correct materials for your roof system, follow manufacturer installation specs, and leave the property the way we found it.
- 5
You get the 365-Day Done Right Promise in writing. Every repair is guaranteed for one full year. If it fails within that period, we return and make it right at no charge.
How Much Does Roof Repair Cost in Orange County?
A standard roof repair in Orange County runs $300 to $1,200 for most shingle, flashing, or sealant issues. Leak tracing and repair of a single entry point typically falls between $350 and $800. Flat roof patches run $500 to $1,500 depending on the membrane. Storm damage repairs range from $400 for a few lifted shingles to $2,000 for more extensive wind damage. Commercial repairs start around $800 and go up from there based on the system and access.
What moves the price: how high the roof is, how steep the pitch, whether decking needs to be replaced, and what material the roof is made of. Clay tile repairs cost more per square foot than asphalt shingle repairs because the tiles themselves are more expensive and more fragile to work around. You avoid overpaying by getting a fixed written price before work starts, which is exactly how we operate. Our free estimate includes the inspection, the diagnosis, and the line-item breakdown, so you know the number before you approve anything.
Our Service Area Near Orange County
Brennan Roofing Co Orange County serves homeowners across Orange County, including Roof Repair in Santa Ana, Roof Repair in Orange, Costa Mesa, Newport Beach, Tustin, Laguna Niguel, Placentia, Aliso Viejo, Dana Point, North Tustin, and Laguna Beach. We schedule by neighborhood, not by route, so your appointment window is one we actually keep. Call (559) 258-5703 to check availability in your area, and see our home page for the full list of services we offer.
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.
Frequently Asked Questions About Roof Repair in Orange County
Roof repair is the process of finding and fixing a specific defect in a roof, such as a leak, damaged shingles, failed flashing, or worn seals around penetrations. It is different from roof replacement, which involves removing and rebuilding the entire roof system. Most roof repairs in Orange County are targeted fixes that extend the life of the existing roof by several years.
Most residential roof repairs in Orange County are completed in one visit, typically two to four hours depending on the scope and the roof material. Emergency tarping and sealing can usually be done within the same day. Larger repairs that involve decking replacement or multiple areas may take a full day or more, and we will give you a clear timeline in the written estimate.
Standard roof repairs in Orange County range from $300 to $1,200, with leak tracing and repair averaging $350 to $800. Flat roof work, storm damage repair, and commercial repairs run higher depending on the system and access. The best way to know your exact number is to call (559) 258-5703 for a free estimate, which includes a line-item price in writing before any work starts.
Yes, we service all three manufacturer lines, plus IKO, Atlas, and others. We can identify your shingle profile, match the color as closely as possible, and install the repair according to the manufacturer’s installation requirements. If the exact color has been discontinued, we will show you the closest available match before proceeding.
Yes. We answer the phone 24/7 with a live person, and we respond to emergency roof repair calls across Orange County. We can tarp and secure the affected area the same day to stop water intrusion, then schedule the permanent repair with a written price in hand. Call (559) 258-5703 if you have an active leak.
Every repair from Brennan Roofing Co Orange County is backed by the 365-Day Done Right Promise. It is a written guarantee for one full year from the date of the repair. If the repair fails within that period, we return and fix it at no charge.
Clear any vehicles or items from directly beneath the work area if possible, and keep pets indoors while our technicians are on the roof. You do not need to be home for the full repair, but we do need access to the attic for leak tracing when applicable. Our team will handle moving any lightweight outdoor furniture out of the way before starting work.
Schedule Your Roof Repair Service in Orange County Today
A small leak in Orange County becomes a big repair faster than most homeowners expect. Call Brennan Roofing Co Orange County at (559) 258-5703 and get a free estimate with a written price in hand before any work starts. Live person on the line, background-checked technicians in uniform, and a full-year written guarantee on every job.
Written by Travis Oakley, Owner at Brennan Roofing Co Orange County, serving Orange County homeowners with disciplined, accountable roof repair.