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 San Fernando
Roof repair in San Fernando usually means dealing with heat damage, not storm damage. The east Valley sun bakes shingles and flat membrane systems for months on end, and most leaks we see start as small cracks or blisters that finally open up. If you’ve spotted water staining on a ceiling or missing shingles after a wind event, call us at (866) 705-2978. We work throughout San Fernando’s 91340 and 91341 zip codes and know the housing stock here: post-war tract homes, stucco bungalows near the civic core, and plenty of flat and low-slope additions that need a different repair approach than a standard pitched roof.
We’re not a generalist handyman service. Marquis Roof Repair is a full-lifecycle roofing specialist, which means we inspect, repair, and replace under one name. Our Roof Repair team starts every job with a diagnostic inspection, not a sales pitch. That matters in a city like San Fernando, where older homes hide problems under layers of old patches.
Why Marquis Roof Repair Is San Fernando’s Preferred Roof Repair Company
Homeowners in San Fernando call us because we investigate before we recommend. That approach comes from Ron Thibodeau, who built Marquis around a repair-first philosophy. When a roofer’s name leads with “Repair,” the expectation is honest diagnosis, and we hold ourselves to that standard on every job, from a small vent boot leak off Maclay Avenue to a full re-roof over a 1960s ranch in the 91340 corridor.
We’re authorized to install products from seven major roofing manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. Most local roofers carry one or two lines. That matters for repairs because the right patch material, shingle match, or membrane system depends on what’s already on your roof. We can match it, or recommend a better alternative, without being tied to whatever single brand is in stock that week.
San Fernando customers regularly tell us the same thing: the quote was clear, the crew showed up when they said they would, and the repair was done to a standard that felt built, not bandaged. We take quiet pride in precise work. From first inspection to final shingle, the job should look like it belongs on your house, not like a patch job.
Styles & brands we work with






Storm Damage Roof Repair in San Fernando
Storm Damage Roof Repair in San Fernando is less about rain and more about wind and the sudden temperature swings that come with Valley weather shifts. Santa Ana wind events rip loose aged shingles, tear flashing, and send tree limbs onto roofs across San Fernando’s older neighborhoods. When that happens, a fast response prevents a small tear from turning into water intrusion that soaks insulation and drywall. We respond to storm damage calls throughout San Fernando, including the blocks around San Fernando High School and the residential streets south of the 118.
Wind-Lifted and Missing Shingle Repair
Strong winds get under shingles that have already lost their seal from years of UV exposure, peeling them back or carrying them off entirely. The fix is usually straightforward: replace the damaged shingles, inspect surrounding courses for lifted edges, and reseal where needed. Shingle replacement for wind damage in San Fernando typically runs $350 to $850 depending on how many squares are affected.
Emergency Tarping and Temporary Protection
When a tree limb punctures a roof or wind tears a section open, the first job is protection. We tarp and secure the damaged area to stop water from entering while we assess the full scope. Emergency tarping in San Fernando runs $250 to $500 as a standalone service, and that cost rolls into the full repair estimate if we proceed with the work.
Metal Roof Repair in San Fernando
Metal Roof Repair in San Fernando shows up on a subset of homes here: mid-century builds and some post-war additions that used standing seam or corrugated metal, plus the occasional newer metal roof on a remodel. The main failure modes are thermal expansion, which works fasteners loose over years of Valley heat, and seam separation that lets water under the panel. We also see rust around penetrations where sealant has failed under prolonged sun exposure.
Seam and Fastener Repair
Loose fasteners back out slowly as metal expands and contracts through San Fernando’s hot days and cooler nights. The repair involves resetting fasteners, cleaning the seam area, and applying a compatible sealant, then checking adjacent panels for early signs of the same problem. Metal roof seam and fastener repair in San Fernando typically runs $400 to $1,100 depending on roof size and how many seams need attention.
Penetration and Flashing Repair on Metal Roofs
Pipes, vents, and HVAC curbs that poke through a metal roof are the most common leak points. The original sealant hardens and cracks under UV, then water follows the penetration down into the home. We remove the old material, inspect the flashing, replace or reseal it, and confirm the surrounding metal is sound. Penetration repair on a metal roof in San Fernando runs $300 to $700 per penetration, depending on access and the condition of what’s underneath.
Trusted Brands We Service in San Fernando
Because we work with seven manufacturer lines, including GAF, CertainTeed, and Tamko, we can match most existing roofs in San Fernando rather than telling you to replace more than is necessary. That’s the real advantage of a brand-agnostic approach. If your roof was built with GAF shingles, we repair with GAF product. If a flat section uses CertainTeed membrane, we don’t patch it with whatever is on the truck. We stock common repair materials for San Fernando jobs and can source specialty products quickly, which keeps turnaround tight on most repairs. Seven manufacturer lines, one point of contact.
See the difference
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After
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AfterCommon Roof Repair Problems We See in San Fernando Homes
- Ponding and blistering on flat roofs. San Fernando’s older additions and garages often carry modified bitumen or tar-and-gravel roofs that hold water after rain. That standing water accelerates membrane breakdown and leads to leaks at seams and edges. Repair usually means cutting out the blistered section and installing a compatible patch, or in worse cases, resurfacing the affected area.
- Brittle shingles from prolonged UV exposure. The east Valley sun is relentless, and shingles that should last 25 years here can fail in 15. Cracking, curling, and granule loss are the early signs. We see this constantly on the 1950s and 1960s homes that make up much of San Fernando’s housing stock.
- Hidden dry rot on older decking. When we open up a roof on a pre-1970s San Fernando home, we often find decking that has been quietly rotting under layers of old patches. This is especially common around penetrations and valleys. Our practice is to price the visible repair up front and write any unforeseen framing or decking replacement into a change order you approve before we proceed.
- Failed flashing at walls and penetrations. Valley homes built in the mid-century often have original flashing that has never been touched. Dried sealant and corroded metal let water in slowly, staining interior ceilings long before the source is visible from outside. Flashing repair is one of the highest-value fixes we do because it addresses the actual point of failure.
Pricing for Roof Repair in San Fernando, CA
Most roof repairs in San Fernando fall between $350 and $1,500. A straightforward shingle replacement or small flashing fix sits at the lower end, around $350 to $600. Flat roof patches on modified bitumen run $500 to $1,200 depending on square footage and how many layers of old material need removal. Metal roof seam and penetration work lands between $400 and $1,100. The biggest cost driver in San Fernando is what we find underneath: homes with layered patches on flat sections often hide rotted decking or undersized framing, and those repairs get priced separately in writing before any additional work begins. Every quote is free and line-itemed, so you see exactly what you’re paying for. Call (866) 705-2978 to schedule yours.
We Also Serve Cities Near San Fernando
Marquis Roof Repair works throughout the east and central San Fernando Valley. Beyond Roof Repair in San Fernando, we serve homeowners in North Hills, Shadow Hills, Northridge, and Van Nuys. If you’re just outside the city line and dealing with a roof problem, call us, we’ll likely be in your neighborhood already.
Serving San Fernando, CA — Our Local Coverage Area
We’re based in the San Fernando 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 San Fernando
Expect an inspection that goes beyond the visible surface. Most flat roofs in San Fernando have been patched before, and each patch adds a layer that can trap moisture. We’ll identify the true source of the leak, open only what’s necessary, and give you a written scope with firm pricing before work starts. Call (866) 705-2978 for a free estimate on your flat roof repair.
Small repairs generally don’t require a permit in San Fernando, but anything that involves replacing a significant portion of the roof surface can require the city’s approval. On older flat and low-slope roofs, reroofing or large repairs often trigger Title 24 cool-roof compliance and, in some cases, seismic review related to roofing attachment. We navigate San Fernando’s specific inspection requirements as part of the job, which is another reason we recommend working with a contractor who knows this city’s building department rather than one who works the whole Valley generically.
We price it in writing before we touch it. On a 1950s stucco bungalow near the civic core, our crew opened up a low-slope roof over a back addition and found the original modified bitumen had been patched repeatedly, trapping moisture that had rotted the decking and undersized framing. We replaced the decking, added a proper underlayment and drip edge, and upgraded to a Title 24-compliant cool roof, pricing the unforeseen framing repair in writing before any additional work began. That’s the standard on every San Fernando job: no surprises, no work without approval.
We service and install GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That breadth means we can match your existing roof rather than forcing a different product line. Most San Fernando homes were built with one of a handful of common materials, and having access to all seven lines lets us recommend based on what your roof actually needs, not what we happen to stock. Call (866) 705-2978 and we’ll identify your material on the free inspection.
Yes to both. We respond to storm damage across San Fernando, including wind-lifted shingles and impact damage from fallen limbs. We also repair metal roofs, with expertise in seam separation, fastener failure, and penetration leaks that are common on the metal roof sections found on mid-century homes and additions in this area. Estimates are free, and we provide a written line-item quote before any work begins.
If you own a home in San Fernando and you’ve noticed a leak, missing shingles, or storm damage, don’t let it sit. The older housing stock here means water intrusion spreads quickly into framing and drywall. Call Marquis Roof Repair at (866) 705-2978 to schedule your free estimate. Ron Thibodeau and our team will show up on time, diagnose honestly, and give you a written quote that respects your home and your budget.
Written by Ron Thibodeau, Owner at Marquis Roof Repair, serving San Fernando and the surrounding Valley.