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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 Altadena
Roof repair in Altadena usually runs between $350 and $1,800 depending on what failed, and most single-issue repairs take our crew half a day once we’re on site. The common thread in this town: tree debris, steep pitches, and wind damage from Santa Ana events don’t wait, and neither should you. We serve the 91001 and 91003 ZIP codes and know the canyon-fringe streets above Altadena Drive well enough to quote accurately before we arrive. Call (866) 942-4187 and we’ll schedule a repair estimate that accounts for Altadena’s fire-zone requirements, not just the visible damage.
Why Orange County Roofing Co Is Altadena’s Preferred Roof Repair Company
We built our reputation in Altadena on jobs where the roof had to satisfy two masters at once: the homeowner’s budget and the fire marshal’s checklist. Homes along the foothill boundary sit in CalFire’s Very High Fire Hazard Severity Zone, and we routinely repair roofs that flatland contractors would patch without a second thought about Class A assembly requirements. That local knowledge shows up in every quote we write for Altadena, from Canyon Crest Road to the streets around Farnsworth Park.
Kurt Hensley, our owner, has spent years making sure our crews understand that Altadena isn’t Pasadena with a different ZIP code. The pitches are steeper, the tree cover is heavier, and the insurance scrutiny is sharper. Homeowners here tell us the same thing: they want a repair that holds up to both January rain and November wind, and they want paperwork their insurer will accept without a fight. That’s exactly what we deliver.
We’re a full-service roofing company, not a repair-only shop. That matters in Altadena because a repair today often previews a replacement in five years. Our Roof Repair team handles everything from a single torn shingle to ridge line reconstruction, and we carry seven major brands including GAF, Atlas, and Tamko so the repair material matches the existing roof rather than whatever happens to be on the truck.
Styles & brands we work with






Metal Roof Repair in Altadena
Metal roof repair in Altadena typically costs $450 to $1,400, with standing-seam panel replacement on the higher end and fastener or seam resealing on the lower end. The foothill homes that have metal roofs tend to be newer hillside builds or post-fire rebuilds, and most metal repairs here trace back to two things: wind-driven debris scoring the finish and thermal movement loosening fasteners over decades of hot days and cold canyon nights. We inspect the full panel run, not just the visible dent, because a loose seam uphill will leak downhill.
Standing-Seam Panel Replacement
When a branch or Santa Ana wind tears a panel, patching rarely works long-term. We cut out the damaged section, match the panel profile and gauge, and re-secure the run with new clips and fasteners rated for the wind zone. Altadena’s fire-zone requirements don’t penalize metal; a properly repaired metal roof is already Class A and usually earns insurer approval without additional documentation.
Fastener and Seam Repair
Older metal roofs loosen up over time. The fasteners back out a few millimeters, the butyl tape under the seams dries out, and water finds the gap. We re-torque or replace every fastener in the affected run, clean and re-tape the seam, and inspect the surrounding panels for early signs of the same problem.
Commercial Roof Repair in Altadena
Commercial roof repair in Altadena spans a broader range, typically $800 to $3,500, because commercial buildings here include flat-roofed storefronts along Lake Avenue and older masonry structures with built-up or modified bitumen roofing. The failure pattern we see most often on Altadena commercial roofs is ponding water collecting around debris-blocked drains, which eventually breaks down the membrane and finds the seams. A $200 drain cleaning is a lot cheaper than a $3,000 membrane patch, but by the time most owners call us, the water has already won a round.
Flat Roof Patching and Membrane Work
Flat commercial roofs need a different eye than residential work. We identify the true water entry point, which is rarely where the ceiling stain suggests, then patch the membrane with the correct material for the roof system in place. On older Altadena commercial buildings, that often means torch-down or cold-applied patches tied into the existing surface, plus resealing around curbs and penetrations where the original flashing has pulled away.
Drain and Scupper Maintenance Repairs
Pine needles and oak litter don’t skip commercial properties. We clean and repair clogged drains, replace broken scupper collars, and re-slope minor ponding areas where feasible. Keeping water moving off a flat roof is the cheapest insurance a Altadena commercial owner can buy.
Trusted Brands We Service in Altadena
We service and install GAF, Atlas, and Tamko products, among others, and we keep fast-moving repair materials from several brands stocked for Altadena jobs. That means when we find a wind-torn section of Atlas shingles on a foothill home, we’re not calling around town hoping to match the color. We carry enough variety to repair most existing roofs without a special order, which keeps turnaround fast during the winter leak season. If you’re planning a repair now and a full replacement later, we can also show you how GAF’s or Tamko’s warranty tiers compare, brand against brand, without pushing one over the other.
See the difference
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After
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After
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AfterCommon Roof Repair Problems We See in Altadena Homes
- Granule loss on shaded uphill slopes: Oak and pine canopy shades the uphill-facing roof planes, trapping moisture and promoting moss, which loosens granules and shortens shingle life. We see this most on the canyon-adjacent streets south of the Angeles National Forest boundary.
- Santa Ana wind damage at ridges and eaves: November and December wind events regularly lift ridge shingles and tear starter strip on older roofs that lack proper fastening. The Craftsman bungalows above Altadena Drive are particularly exposed to this.
- Valley and flashing leaks after winter storms: Debris mats block water flow and force it under flashing at roof valleys and chimneys during December through February rain. Ice and water shield is often missing or deteriorated on the original roofs of these early-to-mid-century homes.
- Ember-vulnerable repairs from previous patch jobs: We find roofs where a previous contractor used non-compliant materials or left gaps in the assembly that would fail a fire-zone inspection. Our repair always restores the full Class A rating, not just the cosmetic surface.
Pricing for Roof Repair in Altadena, CA
A minor shingle replacement in Altadena runs $350 to $600, while valley or flashing repair typically lands between $500 and $1,200. Full ridge re-shingling with wind-rated product, which is common after a Santa Ana event, runs $800 to $1,800. The factors that move the price here are slope steepness, the fire-rating requirement on the replacement assembly, and the amount of debris removal needed before work starts. Every estimate we give is free and written line by line. Call (866) 942-4187 and we’ll tell you exactly what your repair will cost and what compliance documentation you’ll receive.
We Also Serve Cities Near Altadena
Our crews work throughout the San Gabriel foothill corridor. The city-specific page for Altadena details our full service area, but we also handle roof repairs in Pasadena, La Cañada Flintridge, East Pasadena, and San Marino. If you’re in one of those areas and dealing with the same wind and debris issues we see in Altadena, call the same number: (866) 942-4187.
Serving Altadena, CA — Our Local Coverage Area
We’re based in the Altadena 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 Altadena
Yes. Most of Altadena sits in CalFire’s Very High Fire Hazard Severity Zone, which means roof repairs and replacements must use Class A fire-rated assemblies with ember-resistant details. That standard applies to surface materials, underlayment, and the gaps and joints where embers lodge. We document every compliance detail so your insurer and the fire authority can verify the work. Call (866) 942-4187 if you’re unsure whether your current roof meets the standard.
Repairs should meet a minimum of 110 mph wind uplift resistance, but we typically recommend products rated to 130 mph like GAF Timberline architectural shingles because Santa Ana gusts in the foothill canyons exceed what the code minimum anticipates. The nailing pattern, starter strip, and ridge fastening matter as much as the product itself. We match all three to the wind zone.
Documented compliance proves to your insurer that the repair used the correct materials and installation methods, which can support a full claim payout and sometimes qualify you for a premium discount. We recently repaired a wind-damaged roof on a 1920s Craftsman bungalow just above Altadena Drive, replacing shattered ridge shingles with Class A GAF Timberline, and the adjuster approved the full claim after reviewing our documentation of the assembly and nailing pattern. Get your estimate at (866) 942-4187 and ask us for compliance documentation on every repair.
Moss or dark streaking on the uphill-facing roof plane is the classic Altadena signal. Oak and pine debris accumulates on those shaded slopes, traps moisture, and accelerates granule loss, which then exposes the matting and voids the manufacturer’s fire rating. If you see it on your roof, call (866) 942-4187 for a free inspection before the winter rains turn it into a leak.
A compliant quote should itemize the Class A-rated materials, the correct fastening pattern, any required ember-resistant details, and documentation of compliance for your insurer. A cheap quote often skips the underlayment upgrade or uses non-fire-rated materials to hit a lower number. Our quotes are written line by line so you see exactly what you’re paying for. Call (866) 942-4187 for a free estimate.
Written by Kurt Hensley, Owner at Orange County Roofing Co, serving Altadena and the San Gabriel foothill communities.