Architectural shingles
Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Repair Across North Hills
Roof repair in North Hills usually comes down to two things: heat damage on low-slope sections and the aging materials on 1950s and 60s tract homes. Most repairs we handle in ZIP 91343 and 91393 run between $450 and $1,800 depending on whether we’re correcting ventilation, replacing a blistered membrane section, or re-flashing a penetration. We know these roofs because we’ve worked on hundreds of them, from the ranch-style streets off Sepulveda Boulevard to the cul-de-sacs near Plummer Street. Call (833) 467-4901 and we’ll schedule a repair estimate at your North Hills home.
Why Huntington Beach Roofers Is North Hills’s Preferred Roof Repair Company
North Hills homeowners call us because we carry material options from seven manufacturers, including GAF, Atlas, and Tamko, so the repair matches the existing roof instead of whatever happens to be on the truck. Neil Stratton has built this company around one principle: inspect first, recommend second. That means we don’t quote a repair until we’ve walked the roof, checked the attic ventilation, and looked at how the south and west slopes are holding up.
Our team works throughout the San Fernando Valley, and North Hills is a regular stop. We know the post-WWII tract footprint, the shallow pitches, the original built-up roofing that’s still out there doing its job on many homes. When a homeowner near the Sepulveda Basin calls about a soft spot or a damp ceiling, we already know what we’re likely to find before we set up the ladder. That local familiarity saves time and gets the repair scoped correctly on the first visit.
From the first inspection to the final shingle, you’re dealing with one contractor. No hand-offs, no separate assessor who disappears once the quote is signed. That’s how we’ve earned a strong local reputation in North Hills and the surrounding Valley communities.
Styles & brands we work with






Metal Roof Repair in North Hills
Metal Roof Repair on North Hills homes typically involves resealing laps, replacing corroded fasteners, or re-flashing transitions where a metal patio cover or carport ties into the main roof. Many of the metal roofs we touch in ZIP 91343 and 91393 are on detached structures, second-generation additions, or commercial buildings along Sepulveda Boulevard and Nordhoff Street. In the inland Valley heat, metal expands and contracts aggressively, which loosens fasteners over time. A typical metal roof repair in North Hills runs $550 to $1,400, with the higher end covering panel replacement and seam re-engineering on older corrugated or standing seam systems.
Unlike the tract-home composition roofs nearby, metal roofs fail differently here. The heat doesn’t blister a metal panel the way it blisters a built-up roof. Instead, you get fastener back-out, seam creep, and thermal movement that eventually works flashing loose at the eaves and rake edges. We stock the common profiles and sealants needed for these repairs, so we’re not guessing at the supply yard.
Panel and Seam Repairs
We replace damaged or rusted-through panels when the substrate is still sound. New fasteners, neoprene washers, and seam sealant go on every repair. On older roofs, we’ll inspect the existing screw pattern and adjust spacing on any panel we replace to reduce future fastener back-out in North Hills’ temperature swings.
Flashing and Transition Work
Where a metal roof meets stucco or a composition section, the transition is a common leak point. We re-flash those intersections with new metal, install proper counter-flashing, and seal everything to handle both the UV load and the winter rain that comes in short but intense bands across the Valley.
Commercial Roof Repair in North Hills
Commercial Roof Repair in North Hills covers a lot of ground, from the flat and low-slope membrane roofs on older storefront buildings along Sepulveda Boulevard to the modified bitumen systems on medical offices and warehouses near the 405 corridor. These buildings often sit with roof features and mechanical equipment that penetrate the membrane repeatedly, and every penetration is a potential failure point. For commercial work, our repair scoping goes deeper: we look at ponding patterns after rain, check the condition of scuppers and drains, and assess how the existing membrane has responded to the Valley’s UV load. Typical commercial roof repair in North Hills runs $900 to $3,500, with larger or multi-location jobs quoted on inspection.
What separates our commercial roof repair in North Hills from residential work is access and disruption management. A strip mall roof can’t be torn open over an occupied tenant space without planning. We stage our repairs to minimize water intrusion risk and schedule the loud portion of any work around business hours when we can. For property managers handling multiple buildings in the 91343 ZIP, we provide written documentation and photos before and after, which is useful for records and insurance claims.
Membrane and Hatch Repairs
We repair blistered or alligatored sections of built-up and modified bitumen membranes by cutting out the damaged area, installing new membrane and underlayment, and sealing all edges. Roof hatches and curbs get special attention because the flashing at those penetrations is often original and already failing.
Scupper and Drain Correction
Ponding water is a major driver of commercial roof repair in North Hills, especially during the winter rain cycle. We clear debris from drains, re-flash scuppers, and when needed, install tapered insulation or a small cricket to move water off the roof plane instead of letting it sit and degrade the membrane.
Trusted Brands We Service in North Hills
We’re authorized to install and repair roofing products from seven manufacturers, which means the material we put on your North Hills roof can be matched to the existing system. We regularly repair and work with GAF, CertainTeed, Owens Corning, Atlas, and Tamko products, and we carry the sealants, accessories, and flashing materials those systems require. For North Hills homeowners, that means we can often complete a repair in one trip instead of quoting a job and waiting on parts that weren’t available locally. If a brand is backordered or ill-suited to your roof’s specific condition, we can immediately offer an alternate from our portfolio that meets the same performance bar. Seven brands. One contractor.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in North Hills Homes
- Heat blistering and alligatoring on south and west slopes. The inland Valley sun pushes roof surface temperatures past 160°F on summer afternoons, which breaks down asphalt and membrane surfaces faster than anywhere near the coast. On low-slope tract roofs, this shows up as alligator cracking long before a leak appears.
- Ventilation-corrected failures misdiagnosed as wear. Many North Hills homes from the 1950s and 60s were built with undersized eave vents. Attic temperatures climb past 140°F, which cooks shingles from underneath and shortens their life. Ventilation correction is often the real repair needed, not just resurfacing.
- Ponding water at flashing and scuppers on low-slope sections. Winter rain falls hard and fast in North Hills, and when the flashing at a penetration or scupper has deteriorated, water pools and finds its way in. The original drains on many tract homes were undersized when they were installed and are worse now after decades of settlement.
- Premature architectural shingle failure on shallow-pitch sections. When a roof was reroofed with architectural shingles on a pitch that was too shallow, and the contractor skipped ice and water shield or drip edge, the shingles fail early. We see this repeatedly on North Hills homes that were reroofed in the 1990s and 2000s without correcting the original pitch limitations.
Pricing for Roof Repair in North Hills, CA
Here’s what we quote on typical North Hills roof repair work. A flashing repair at a vent or pipe boot runs $350 to $650. A section of blistered built-up membrane removal and replacement on a low-slope roof runs $800 to $1,800 depending on square footage. Valley repairs and shingle replacement on a shallow-pitch section run $650 to $1,500. Ventilation correction with new ridge and soffit vents runs $1,200 to $2,800. Metal roof repairs run $550 to $1,400, and commercial membrane work starts around $900 and goes up based on scope and access. The biggest swing factors are roof access, the condition of the underlying decking, and whether we’re correcting ventilation as part of the repair. We provide a written line-item quote before any work starts, so the number you see is the number you pay. Call (833) 467-4901 to schedule a free repair estimate at your North Hills property.
On a 1962 ranch-style home near Sepulveda Boulevard and Plummer Street, our crew found severe alligatoring on the south-facing slope of a built-up roof, with attic temps measured at 142°F. We removed the blistered membrane, installed a new underlayment and modified bitumen cap sheet, and added a ridge vent and soffit vents to bring intake airflow up to current standards. That’s a repair we wouldn’t have scoped correctly without checking the attic first.
We Also Serve Cities Near North Hills
Our Roof Repair team works throughout the San Fernando Valley, and we regularly serve homeowners in North Hills as well as Northridge, Van Nuys, Valley Glen, and San Fernando. If you’re in one of those communities and need a repair estimate, the same inspection-first process applies no matter the ZIP.
Serving North Hills, CA — Our Local Coverage Area
We’re based in the North Hills 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 North Hills
The inland Valley heat directly shortens the life of low-slope roofing materials in North Hills. Roof surfaces on south and west slopes routinely exceed 160°F in summer, which accelerates UV degradation and causes heat blistering and alligatoring on built-up and modified bitumen membranes. The repair implication is simple: we don’t just patch the visible damage. We check attic ventilation and, when the original eave vents are undersized, we correct that too. Otherwise the repaired section fails again in a few years. Call (833) 467-4901 for an estimate on your North Hills roof.
Most roof repairs in North Hills do not require a permit, but reroofing and structural repairs do. Since North Hills is part of the City of Los Angeles, permit requirements follow L.A. Department of Building and Safety rules, not county rules. For repair work like re-flashing, membrane patching, or shingle replacement on a limited section, we typically proceed without a permit. If a repair grows into a reroof, we’ll pull the permit and handle the inspection. Call (833) 467-4901 and we’ll tell you what your specific roof needs before any paperwork starts.
Heat-driven membrane failure on low-slope sections. The original built-up roofs on these homes were installed with only marginal attic ventilation, and after 60-plus years of Valley summers, the south and west slopes show alligatoring and blistering long before water gets inside. We often find the leak a homeowner noticed was actually caused by a ventilation deficit that superheated the roof from below. The repair usually involves membrane replacement plus ridge and soffit vent installation. Call (833) 467-4901 for an inspection if your ZIP 91343 roof is showing its age.
We treat them as separate roofs with their own condition profile. Many North Hills properties have detached garages, workshops, or converted ADUs, and those structures often have older metal, rolled, or built-up roofs that were never maintained like the main house. We scope them the same way: inspect the roof, check the ventilation, quote the repair in writing, and complete the work with the same materials and warranty available on the main house roof. Call (833) 467-4901 to have us look at your detached structures in North Hills.
Yes. We repair metal roofs on North Hills homes, patio covers, and commercial buildings, and we handle commercial membrane and low-slope repairs throughout the 91343 and 91393 ZIP codes. Metal repairs typically involve fastener replacement, seam resealing, or flashing work. Commercial repairs include membrane patching, scupper and drain correction, and ventilation upgrades. Call (833) 467-4901 and tell us what you’re seeing. We’ll schedule a repair estimate and quote it before any work begins.
Written by Neil Stratton, Owner at Huntington Beach Roofers, serving North Hills and the San Fernando Valley.