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 Jacksonville Homeowners
Roof repair in Jacksonville typically costs between $350 and $1,500 for most residential fixes, with larger structural work running $2,500 to $8,000 depending on the decking and underlayment condition. Brennan Roofing Co Jacksonville has repaired thousands of roofs across Duval County since joining the Garrison Partners family, which was founded in 2000, and we answer the phone with a live person around the clock. When you call (904) 719-6346, you’ll get a straight answer, a written price before any work starts, and a technician who shows up in uniform with a background check on file. From Mandarin to Riverside to Arlington, our crews fix leaks, replace damaged shingles, and reinforce flashing the same way every single time: under The Garrison Standard. That means the price goes on paper before a ladder goes up, and the work is guaranteed in writing for one full year.
Key Takeaways:
- Written price before any work begins – no door-knock increases, no surprises
- Every repair backed by the 365-Day Done Right Promise in writing
- Background-checked, uniformed technicians dispatched on every call
- Live person answers 24/7 at (904) 719-6346 – no voicemail, no automation
- Materials from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral
Roof Leak Repair
Roof leak repair is the process of locating the exact entry point where water breaches your roof system, then sealing it with compatible materials so the leak does not return. In Jacksonville, the combination of afternoon thunderstorms, high humidity, and salt air from the St. Johns River means a small leak can turn into rotted decking and mold inside six months if it’s ignored. Brennan Roofing Co Jacksonville starts every leak repair with a methodical inspection of the flashing, pipe boots, valleys, and ridge line, because most leaks do not originate where the water shows up on the ceiling. Most roof leak repairs in Jacksonville run $350 to $900, though a leak that has been running for years and rotted the decking beneath will push the quote higher once we see what’s underneath. You’ll have that number in writing before any work starts.
Common Leak Sources We Find
Pipe boots and vent flashing account for a disproportionate share of roof leaks in Jacksonville, because the rubber gasket degrades faster under Florida UV exposure than it does in milder climates. We replace the boot or flashing with a matching material rather than smearing sealant over a failing gasket, which is a temporary fix that fails again. Skylights and chimneys are the next most common source, and we flash those transitions according to manufacturer detail rather than taking shortcuts.
What a Leak Repair Includes
Every leak repair begins with water testing when possible, because we want to confirm the entry point before we open anything up. The repair itself includes removing the affected shingles or membrane, replacing the damaged underlayment or flashing, and reinstalling the finish material to match. You get a written scope of work and a one-year guarantee through the 365-Day Done Right Promise, so if that leak returns within the year, we come back at no charge.
Styles & brands we work with
Emergency Roof Repair
Emergency roof repair is the immediate, temporary or permanent stabilization of a roofing system that has been compromised by storm damage, fallen limbs, or sudden failure, usually performed within hours rather than days. Jacksonville gets between 50 and 60 inches of rain a year, and a hole in the roof during August can flood a home faster than a homeowner can move furniture. Brennan Roofing Co Jacksonville answers emergency calls with a live person at (904) 719-6346, and we dispatch a technician in a marked vehicle to stabilize the opening, tarp the affected area, and put a written repair plan in front of you. Emergency roof repair in Jacksonville typically ranges from $450 to $1,500 for the stabilization and tarping, with the permanent repair priced separately and in writing before that work proceeds. We do not use urgency to inflate a price; the emergency rate covers after-hours dispatch and immediate mobilization, nothing more.
Stabilizing the Opening
The first objective on any emergency call is to stop water from entering the structure, and that usually means securing a heavy-duty tarp over the damaged section with battens, not just throwing a blue sheet and hoping the wind leaves it alone. Our technicians carry waterproof tarps, fasteners, and decking material on the truck so the opening is sealed the same visit. After the tarp is up, we document the damage and write the permanent repair quote while standing on the roof, so you have a real number before you commit to anything.
When to Call Immediately
If you see daylight through the attic, water staining the ceiling in an active downpour, or shingles scattered across the yard after a storm, call us right then, not the next morning. A roof opening that lets in water also lets in humidity, and within days that moisture starts warping drywall and feeding mold in the attic. The longer the opening sits, the more the repair scope grows, which is why the fastest money you save in roofing is the call you make on the day the damage happens.
Flat Roof Repair
Flat roof repair addresses leaks, ponding water, membrane splits, and flashing failures on low-slope roofing systems, which are common on Jacksonville homes built in the mid-century style and on commercial buildings throughout the city. A proper Flat Roof Patch starts with identifying the membrane type and the root cause of the failure. Flat roofs in Jacksonville fail most often at the seams and penetrations, and because water does not shed the way it does on a pitched roof, even a pinhole in a membrane can cause serious damage over a wet summer. Brennan Roofing Co Jacksonville repairs modified bitumen, TPO, PVC, and EPDM systems, and before we touch anything, we map the low spots where water ponds, because ponding is usually the root cause of the leak. Flat roof repairs in Jacksonville generally run $500 to $1,800 depending on the membrane type and the number of penetrations involved, with the written price in your hand before work starts. If the decking below the membrane is rotted, that scope is added to the quote and explained line by line, not buried in a lump sum.
Membrane Identification and Matching
A flat roof repair only lasts if the patch material is compatible with the existing membrane, and that means we identify the exact system before we cut anything open. TPO welds differently than PVC, and modified bitumen requires torch or cold-process application that an untrained roofer will botch. We stock patch materials for each major membrane type and match the repair so the roof stays watertight through the warranty period.
Fixing Ponding and Drainage
Ponding water on a flat roof accelerates membrane deterioration and adds hundreds of pounds of load, which is why a proper flat roof repair often includes addressing the drainage that caused the problem in the first place. We may add tapered insulation, clear and reset scuppers, or install a new drain assembly to move water off the roof. If we find that the structure is too flat to drain properly, we tell you plainly and price the correction, rather than patching the membrane and pretending the ponding will go away on its own.
Shingle Roof Repair
Shingle roof repair is the replacement of damaged, missing, or curling asphalt shingles and the associated underlayment, flashing, and sealants that keep a composition roof watertight. Jacksonville’s combination of intense UV, afternoon thunderstorms, and the occasional tropical storm means asphalt shingles in this climate wear out faster than their rated lifespan suggests, especially on south-facing slopes. Brennan Roofing Co Jacksonville repairs fiberglass and organic asphalt shingle roofs, and we carry shingle stock in colors that match the most common roof profiles in Jacksonville neighborhoods like San Marco, Ortega, and Mandarin. Shingle roof repairs in Jacksonville typically run $350 to $1,100, depending on how many shingles are involved and whether the underlayment beneath them needs to be replaced. We show you the written price before any shingle comes off the roof.
Matching Existing Shingles
A repair that stands out because the color is off looks like a patch job, and a patch job lowers the value of the house. We match shingle color, profile, and weathering as closely as the market allows, and we tell you honestly if the existing shingle has faded enough that a perfect match is not possible. Where a seamless match matters most, we may recommend a larger panel replacement or a full reroof, with the pros and cons of each option written down so you can decide with real information.
Repairing Lifted and Blown-Off Shingles
Shingles that lift in the wind lose their seal strip, and once that strip is broken, the shingle becomes a sail that catches the next gust and tears off, exposing the underlayment beneath. We replace blown-off shingles, reseal lifted ones where the material is still sound, and check the fastening pattern on the surrounding shingles to confirm they were nailed per manufacturer specification. If the original install was nail-short or high-nailed, we say so and price the correction, because a repair on top of a bad install is not a repair, it is a delay.
Storm Damage Roof Repair
Storm damage roof repair is the inspection, documentation, and repair of roofing systems after high wind, hail, or falling debris, with the work scoped to what was actually damaged rather than what a roofer can upsell. Jacksonville sits in a wind-borne debris region, and storms off the Atlantic or the Gulf can strip shingles, dent metal, and drive water under flashing that was previously watertight. Brennan Roofing Co Jacksonville performs storm damage roof repair with a documented, photo-backed scope of work, and we price the repair in writing before any work starts, which matters when you are filing an insurance claim. Storm damage roof repair in Jacksonville typically runs $500 to $3,500 depending on the extent of the damage and the roofing material, and we will work directly with your adjuster to make sure the claim reflects what we see on the roof. You get the price on paper, the photos in a report, and the repair done to The Garrison Standard.
Insurance Claim Support
Filing a storm damage claim in Duval County means dealing with an adjuster who may not climb onto the roof, and that is where photo documentation and a written scope of work become the deciding factor. We photograph every damaged section, mark the affected areas, and provide a line-item repair scope that your adjuster can review against the policy. We do not inflate the scope to pad a claim, and we do not cut corners to fit a low settlement; we document what the roof needs and stand behind the number.
Post-Storm Inspection Priorities
After a Jacksonville storm, the first things we check are the ridge cap, the drip edge, and the flashing around pipes and valleys, because those are the points that fail first in high wind. We also check for hail bruising on shingles and dents on metal roofing, which may not leak immediately but have shortened the life of the material. The inspection is free, and if we find no damage, we tell you that clearly, because a roofer who invents damage to manufacture a job is not a roofer you should invite back.
Metal Roof Repair
Metal roof repair addresses the specific failure modes of standing seam, corrugated, and metal shingle systems: failed fasteners, panel separation, seam sealant breakdown, and rust-through at the lap joints. Jacksonville’s salt-laced humidity accelerates corrosion on metal roofs near the Intracoastal and the beaches, and the thermal expansion of metal in Florida heat means fasteners and sealants work loose over time in ways asphalt shingles do not. Brennan Roofing Co Jacksonville repairs metal roofs with panels and fasteners matched to the existing system, and we replace gasketed screws rather than smearing sealant over a failing washer, which is the difference between a repair that lasts and one that leaks again in a year. Metal roof repairs in Jacksonville typically run $450 to $1,800 depending on the panel type and the number of fasteners or seams involved, with the written price provided before any work begins.
Fastener and Seam Failure
Metal roofs fail most often at the fasteners, because the rubber gasket under each screw head dries out and cracks under UV, and once that gasket fails, water runs straight down the screw shank into the decking. We replace the failed fasteners with new gasketed screws in the correct diameter and length, and we inspect the surrounding fasteners for the same failure before it leaks. On standing seam roofs, we also check the seam sealant, which breaks down over time and needs to be cleaned out and re-applied rather than coated over.
Rust and Panel Replacement
Rust on a metal roof in Jacksonville is most common where panels overlap and where debris sits against the metal, trapping moisture against the surface. We treat surface rust before it becomes a hole, and where the metal has rusted through, we cut out the damaged section and install a matching panel with the same profile and coating. A patched metal roof that does not match the original panel profile will leak at the transition, which is why we source panels carefully and confirm the match before we order anything.
Commercial Roof Repair
Commercial roof repair covers low-slope and flat roofing systems on office buildings, retail centers, warehouses, and multifamily properties in Jacksonville, where a leak can shut down business operations and damage inventory in minutes. Brennan Roofing Co Jacksonville repairs TPO, EPDM, modified bitumen, and metal commercial roofing systems, and we work around your operating hours so the repair does not force you to close. Commercial roof repairs in Jacksonville generally run $800 to $5,000 depending on the membrane type, the size of the damaged area, and access requirements, and every commercial repair starts with a written price and a defined scope so the building owner knows exactly what is being done. We hold the same standard on a 50,000-square-foot warehouse that we do on a 1,200-square-foot home: written pricing, uniformed technicians, and a one-year written guarantee through the 365-Day Done Right Promise.
Minimizing Business Disruption
A leaking commercial roof over a retail floor or a server room is an active threat to revenue, not just a maintenance item, and the repair approach has to account for the business below. We schedule repairs around your operating hours where possible, protect the interior with containment measures, and stage materials so the crew is on and off the roof efficiently. If the repair requires a roof section to be opened, we complete the opening and the patch in the same day whenever the weather allows, so the building is watertight before the crew leaves.
Preventive Maintenance and Documentation
Commercial property owners in Jacksonville often learn about roof problems from a tenant complaint, which means the leak has already been running for weeks. We provide photo documentation and a written condition report on every commercial repair, so the property manager has a record of what was found, what was fixed, and what is likely to need attention in the next 24 months. That report is useful for budgeting, for insurance renewals, and for making sure the roof does not become a capital emergency later.
Brands We Service
We install and repair roofing systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we maintain current installation certifications with the manufacturers we represent most often. Our crews work with the GAF shingle line on a weekly basis across Jacksonville, and we know the GAF installation requirements well enough that we do not have to consult the manual mid-project. We also service Atlas and Tamko systems regularly, and we keep the correct sealants, fasteners, and flashing details for those products on hand so the repair does not stall waiting on parts.
Whether you have a GAF architectural shingle roof, an Atlas Pinnacle system, a Tamko metal roof, or a roof from any other manufacturer, our repair approach is the same: identify the failure, price the fix in writing, and stand behind the work for one full year. We do not sell against one brand over another; we explain the material options and let you choose with real information. Call (904) 719-6346 if you are not sure what brand is on your roof, and we will identify it during the free estimate.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Water staining on the ceiling or walls. A stain means water has already penetrated the roof system and is wicking through the decking or drywall. In Jacksonville’s humidity, that moisture becomes mold quickly, and the repair scope grows every week it is ignored.
- Granules collecting in the gutters. Asphalt shingles shed granules as they age, and when you see a steady stream of granules in the downspout, the shingles are losing their UV protection. That roof is not leaking yet, but it is in the early stages of failure.
- Daylight visible through the attic. If you can see light coming through the roof decking from inside the attic, water can get through the same opening. This is a direct visual confirmation of a breach, and it needs a professional repair before the next rain.
- Lifted, cracked, or missing shingles after a storm. Wind-damaged shingles expose the underlayment and the fasteners beneath, and the next storm peels back more of the field. A repair done early replaces a few shingles; a repair done late replaces a roof section.
- Sagging areas on the roofline. A sag means the decking beneath the roofing material has absorbed water and lost its structural strength. This is not a leak repair anymore; it is a structural repair, and walking on the roof before it is corrected is dangerous.
Our Process, Step by Step
- 1
The call and the conversation. You reach a live person at (904) 719-6346, any hour, any day. We ask what you are seeing, what the weather was doing when it started, and whether the water is active or intermittent. That conversation gives our technician a starting point before they even leave the truck.
- 2
The on-site inspection. A background-checked, uniformed technician arrives at the scheduled time and inspects the roof from the top and from the attic when access is available. We use moisture meters on suspect decking and probe the seal points around flashing, because guessing at a leak source is how you end up paying for the same repair twice.
- 3
The written price. Before any work begins, you get a line-item written price that shows the materials, the labor, and the exact repair scope. The number does not move at the door, and if we open the roof and find hidden damage, we stop, show you what we found, and put the revised number in writing before continuing.
- 4
The repair itself. We perform the repair with materials matched to your existing roof system, following the manufacturer’s installation requirements. The work area is protected with tarps, and we clean up fasteners, old material, and debris before we leave the property.
- 5
The written guarantee. Every repair is backed by the 365-Day Done Right Promise in writing for one full year. If the repair fails within that year, we come back and make it right at no charge. That guarantee is printed on the scope of work, not promised verbally.
How Much Does Roof Repair Cost in Jacksonville?
A typical roof leak repair in Jacksonville runs $350 to $900 when the damage is localized to a single penetration like a pipe boot or a piece of flashing. Shingle replacement work runs $350 to $1,100 depending on how many shingles are involved and whether the underlayment beneath is sound. Flat roof repairs are generally $500 to $1,800, with the cost driven by membrane type and the number of penetrations, while storm damage repairs run $500 to $3,500 based on the extent of wind or hail damage. Metal roof repairs sit between $450 and $1,800, and commercial roof repairs start around $800 and can reach $5,000 for larger membrane work. Jacksonville’s coastal humidity and summer storm cycle mean the correction is often more expensive than the leak that revealed it, because water that has been running for months rots the decking and that decking has to be replaced before the roof can be made watertight.
What affects the price is straightforward: the roofing material, the height and pitch of the roof, the number of damaged areas, and what we find when we open the roof up. A one-story ranch in Arlington is faster to work on than a three-story home in Avondale, and a steep-pitched roof requires more safety setup and more labor. You avoid overpaying by getting the written price before work starts, by insisting on a line-item scope rather than a lump sum, and by working with a roofer who documents what they found with photos. Our free estimate includes the full inspection, the written quote, and a plain explanation of what is urgent and what can wait. Call (904) 719-6346 to schedule yours.
Our Service Area Near Jacksonville
Brennan Roofing Co Jacksonville repairs roofs across Duval, St. Johns, and Nassau counties, including Roof Repair in Jacksonville Beach, Roof Repair in Neptune Beach, Yulee, Fleming Island, Ponte Vedra Beach, Macclenny, Nocatee, Baldwin, Orange Park, Atlantic Beach, and Fernandina Beach. Most repair calls within the Jacksonville city limits are scheduled within one to two business days, and emergency response is available around the clock. If you are in a neighboring community and not sure whether we cover your address, call (904) 719-6346 and a live person will tell you on the spot.
Serving Jacksonville, FL - Our Local Coverage Area
We’re based in the Jacksonville 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 Jacksonville
Roof repair is the process of fixing a specific failure in a roofing system, whether that is a leak, storm damage, failed flashing, or missing shingles, without replacing the entire roof. It includes identifying the source of the problem, removing the damaged material, and installing a repair that matches the existing roof system. Roof repair is appropriate when the damage is localized and the roof structure is otherwise sound.
Most residential roof repairs in Jacksonville are completed in half a day to one full day, depending on the scope of the damage and the roofing material. Emergency tarping and stabilization can be done within a few hours of the call. Larger repairs that involve decking replacement or multiple damaged areas may take one to two days, and we tell you the timeline in the written scope before work starts.
Roof repair in Jacksonville typically ranges from $350 for a minor shingle replacement or flashing fix to $1,800 for flat roof membrane work, with storm damage and commercial repairs running higher based on scope. The exact cost depends on the material, the pitch and height of the roof, and what is found when the damaged area is opened up. We provide a written, line-item price before any work begins so you know the number up front. Call (904) 719-6346 for an exact quote, and the estimate is free.
Yes, we service roofs from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, and we maintain current installation certifications with the manufacturers we represent most often. We match the repair material to your existing roof system and follow the manufacturer’s installation requirements. If you are not sure what brand is on your roof, we identify it during the free estimate.
Yes, we answer emergency calls around the clock at (904) 719-6346, and a live person picks up the phone, not an automated system. We dispatch a technician to stabilize the opening, tarp the damaged area, and write the permanent repair quote while on site. Emergency roof repair in Jacksonville is priced per the after-hours dispatch and the stabilization work, with the permanent repair quoted separately in writing.
Every roof repair we perform is backed by the 365-Day Done Right Promise, which is a written guarantee for one full year from the date of the repair. If the repair fails within that year, we come back and make it right at no charge. That guarantee is printed on your scope of work, not promised verbally, and it applies to residential and commercial repairs alike.
Clear any vehicles from the driveway so our technician can park and stage materials, and if you have attic access, unlock it so we can inspect from the underside. Move patio furniture and potted plants away from the work area below the roof, because debris can fall during the repair. You do not need to be home for the entire repair, but we do ask that someone be available to approve the scope and sign the written authorization when we arrive.
Schedule Your Roof Repair Service in Jacksonville Today
A leaking roof does not fix itself, and in Jacksonville’s climate, it gets more expensive every week it sits. Call (904) 719-6346 and a live person will answer, schedule your free estimate, and put you on the schedule with a technician who shows up in uniform and puts the price in writing before any work starts. The estimate is free, the guarantee is written for one full year, and the standard is the same on every job. Travis Oakley and the crew at Brennan Roofing Co Jacksonville are ready when you are.
Written by Travis Oakley, Owner at Brennan Roofing Co Jacksonville, serving Jacksonville since 2000.