Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Repair Across Pomona
Roof repair in Pomona usually costs between $350 and $2,800 depending on what is actually wrong once we get past the surface layer. A simple flashing or vent boot replacement runs on the lower end, while decking rebuilds on the older Craftsman homes near Lincoln Park land on the higher end. We serve Pomona directly from our Los Angeles dispatch office, and our crews know the specific failure patterns this city bakes into its roofs year after year. Call (361) 320-9467 to get a written estimate from a local crew that shows up when we say we will.
What sets Pomona roof work apart is not the rain. It is the heat, the wind, and the smog. Pomona sits in the eastern San Gabriel Valley, ringed by the 10, 60, and 57 freeways, where triple-digit summer days bake asphalt shingles until granules loosen and crack. Then the Santa Ana winds funnel through the valley in fall and winter, tearing at ridge caps and edge metal that were never re-nailed to a wind-rated pattern. A Pomona roof fails differently than a coastal LA roof or one up in the cooler San Gabriel foothills, and the repair approach has to start from that reality.
Why Brennan Roofing Is Pomona’s Preferred Roof Repair Company
Our Roof Repair team works under a defined standard, not a mood. Every job starts with a written price before any work begins. The technician who arrives at your Pomona home is background-checked, uniformed, and accountable to the same Garrison Code we apply on every single call, whether it is a small patch in Wilton Heights or a full decking rebuild near Lincoln Park.
We answer our phones with a live person around the clock. Not a voicemail tree, not a callback queue. If you call about a leak on a Saturday morning, you speak to a person who can schedule your repair. Our work carries the 365-Day Done Right Promise: every repair is guaranteed in writing for one full year, and if it fails within that period, we come back and make it right at no charge. That promise is on paper, not implied.
Travis Oakley runs our crews with a simple expectation: the price goes on paper before work starts and it does not move at the door. Pomona homeowners who have been burned by no-show roofers or bids that creep upward once the deck is open will find that approach unusual. It should not be. It is the only way we do business.
Metal Roof Repair in Pomona
Metal roof repair in Pomona usually involves re-securing panels that the Santa Ana winds have lifted at the seams, replacing failed fasteners, and re-sealing laps where the original sealant has broken down under extreme UV exposure. A repair on a Pomona metal roof typically runs $450 to $1,600. The lower end covers seam re-sealing and isolated fastener replacement. The higher end covers panel replacement, lap screw replacement across long runs, and re-flashing around penetrations where water has been getting underneath the metal for longer than anyone knew.
Wind Uplift on Metal Panels
Metal roofs on Pomona commercial and residential buildings fail most often at the laps and ridge lines, not in the open field of the panels. The Santa Ana winds create uplift forces that work screws loose over time, especially on older installs that predate current wind-rated fastening schedules. We re-secure the entire affected zone and replace fasteners with matched profile screws, not whatever matches close enough.
UV-Damaged Sealant and Smog Fallout
Pomona’s sun angle and air quality combine to break down exposed sealant around roof penetrations years earlier than in coastal cities. The smog fallout that settles on low-slope metal sections holds moisture and grit against the surface. We replace failed sealant only after wire-brushing and cleaning the seam, then we document what was used so the next repair is not a guessing game.
Commercial Roof Repair in Pomona
Commercial roof repair in Pomona runs $800 to $4,500 for most of the flat and low-slope buildings we see along the Holt Avenue corridor and the industrial pockets near the 60. Smaller patches and flashing repairs sit on the low end. Larger membrane sections with water ponding that has compromised the decking sit at the top. Every commercial job gets a written scope and a fixed price before our crew sets foot on the ladder.
Modified Bitumen and TPO Repairs
Many Pomona commercial roofs are older modified bitumen systems that were installed without adequate slope. Water ponds, the heat expands the membrane, and seams that were never properly torched begin to open. We repair the affected area by cutting out the failed section, inspecting the deck below, and patching with a manufacturer-specified material from lines including GAF and Tamko. No wet patches over wet substrate.
Flashing Failures at Parapet Walls
On Pomona’s low-rise commercial buildings, parapet wall flashing is the most common failure point. Wind-driven rain from Santa Ana events hits these vertical transitions at odd angles, and once the counterflashing lifts, water gets behind the wall membrane. We re-flash the parapet, re-secure the counterflashing, and re-seal the top cap, all priced in writing before the first cut is made.
Trusted Brands We Service in Pomona
We repair and install roofing materials from manufacturers we trust to stand up to Pomona’s specific conditions: GAF, Atlas, and Owens Corning architectural lines that hold their wind ratings when properly fastened, plus Tamko and Boral options for specialized applications. We stock common matching shingle colors and flashing profiles for Pomona’s most popular roof types, which means a re-roof section near Phillips Ranch does not wait on a special order when it can be avoided. If your existing roof has a warranty, we follow the manufacturer’s installation requirements precisely so that warranty stays intact.
Common Roof Repair Problems We See in Pomona Homes
Pomona’s housing stock tells the story of the city. Pre-1900s Craftsman homes near Lincoln Park were built one way. Post-WWII tract homes on the south side were built another. Neither group escapes the heat and wind, but they fail in different places.
- Skip sheathing with no underlayment: Wood-shake roofs on Pomona’s older Craftsman and Victorian homes were often nailed directly to gap-spaced boards with no protective layer underneath. A leak that looks small from the attic has usually been rotting the decking and fascia for years. Repairing these roofs properly means rebuilding the substrate, not just patching the surface.
- Wind-lifted ridge caps and edge metal: Santa Ana gusts test every fastener on a roof’s perimeter. Older 3-tab and shake installs in Pomona were rarely nailed to a wind-rated pattern, so ridge caps lift, edge metal peels, and shingles start slapping. We re-nail, re-secure, and replace sections where the metal has fatigued.
- UV-baked granules and cracked flashing: West- and south-facing slopes in Pomona take the worst of the afternoon sun. Granules erode, the asphalt underneath oxidizes, and flashings crack at the bends. This is not the failure profile of a coastal city where fog moderates the heat. Pomona roofs age in dog years on the hot slopes.
- Multi-layer tear-offs on mid-century tracts: Pomona’s post-WWII tract homes frequently have two or three layers of shingle stacked from previous re-cover jobs. That weight holds heat, hides leaks, and complicates every repair. A proper fix on these roofs usually means a full tear-off down to the decking, which is when we find what has been hiding underneath.
Pricing for Roof Repair in Pomona, CA
What should a Pomona homeowner expect to pay? Here are the ranges we quote most often, based on the homes and conditions we actually see in this city, not a national average.
- Shingle replacement and isolated leak repair: $350 to $750
- Flashing and vent boot repair: $400 to $1,100
- Flat roof patch and membrane repair: $600 to $1,800
- Metal roof seam and fastener repair: $450 to $1,600
- Valley repair with ice and water shield: $550 to $1,900
- Decking rebuild and skip-sheathing repair on older homes: $1,200 to $2,800
What moves the number is what we find once the visible layer comes off. On a Lincoln Park Craftsman with original skip sheathing, a “simple” repair often becomes decking replacement and flashing rebuild because there is nothing solid left to fasten to. That is why our process is inspection first, written allowance second. You see the number, you approve it in writing, and only then do we touch the structure. Call (361) 320-9467 for a free estimate with a written line item on every dollar.
In Lincoln Park’s pre-1900s Craftsman and Victorian homes, original wood-shake roofs were nailed directly to skip sheathing with no underlayment, so a simple leak repair often requires rebuilding the decking, flashing, and drip edge before the next Santa Ana wind event. That condition rarely shows up in Pomona’s post-WWII south-side tracts, where the roofs are newer but often layered from decades of re-covers. The older neighborhoods and the newer tracts need very different repair plans, and a roofer who treats them the same is guessing.
We were called to a 1912 Craftsman near Lincoln Park where a ceiling stain had been dismissed for two summers as “just heat blistering.” Pulling the shakes exposed original skip sheathing with no ice and water shield, dry-rotted fascia, and aging roof-to-wall flashing that had been patched with tar. We rebuilt the decking, added ice and water shield in the valleys, reset the drip edge, and documented every replacement part with photos before the homeowner approved the revised scope. The winter storm that hit two weeks later never touched the interior.
We Also Serve Cities Near Pomona
Brennan Roofing serves homeowners across the Pomona Valley and nearby communities. In addition to Pomona, our crews regularly handle roof repairs in Diamond Bar, Montclair, Chino Hills, and Claremont. The same written pricing, the same guarantee, and the same standard apply on every job, no matter which side of the 57 the home sits on.
Serving Pomona, CA - Our Local Coverage Area
We’re based in the Pomona 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 Pomona
Because old Craftsman roofs built on skip sheathing hide the real condition of the deck until surface materials are removed. Our process prevents moving targets: we inspect before quoting, write a price for visible work, and include written allowances for what the inspection suggests may be underneath. If we find decking rot or failed flashing during the repair, we stop, show you photos of the damage, and get your written approval on a specific number before we continue. No one works off a verbal “trust us.” Call (361) 320-9467 and we will walk you through the same process on your roof.
Yes, and the difference is measurable in granule loss and fastener fatigue. Pomona regularly hits triple digits in summer, which heat-ages asphalt shingles and causes the adhesive strips to lose grip. Then the Santa Ana winds hit the same roof from a different direction. Coastal LA roofs do not experience those combined forces. Pomona roofs on west- and south-facing slopes often need repair or replacement years earlier than identical roofs in cooler or fog-moderated microclimates.
Compare the same three lines on both bids: what material exactly is being installed, what fastening pattern is specified, and what written guarantee comes with the repair. A lower bid that re-uses old flashing or nails fewer fasteners costs more within three years. Our bids specify the material brand and model, the repair scope in plain English, and the one-year written guarantee. If you want me to look at another company’s bid, call (361) 320-9467 and I’ll tell you what we would do differently and why.
In most Pomona neighborhoods, yes. We regularly match GAF, CertainTeed, Owens Corning, Atlas, IKO, and Tamko architectural lines from our local stock. Older 3-tab shingles and original wood shake are harder to match, especially on Pomona’s pre-war homes where the original material is no longer manufactured. Travis Oakley will tell you honestly whether a match is possible or whether a different repair approach makes more sense, before any work is scheduled.
Small spot repairs that do not change the roof structure usually do not require a permit in Pomona. Repairs involving decking replacement, structural framing, or the removal of multiple shingle layers often do, and the current code may require adding underlayment or improving ventilation that was not required when the home was built. We handle the permit application when it applies and do not start structural work until the permit is issued. Our written quote includes permit costs, so there is no surprise line item later.
If your roof is showing signs of heat damage, wind lift, or leaks that have been “not that bad” for a while, call Brennan Roofing at (361) 320-9467 for a free estimate. We will put the price in writing before any work starts, and we will stand behind the repair for a full year, in writing. Travis Oakley and our Pomona crews are ready to get on your roof, show you what is actually going on, and fix it properly.
Written by Travis Oakley, Owner at Brennan Roofing, serving Pomona and the Pomona Valley.