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 Sherman Oaks
Roof repair in Sherman Oaks usually means one of two calls: shingles lifted after a Santa Ana wind event, or a leak that showed up after the season’s first real rain. Most repairs on Sherman Oaks homes run between $350 and $1,800 depending on what failed, and we can typically diagnose the problem the same week you call. Marquis Roof Repair has worked the foothill and Valley-floor neighborhoods of Sherman Oaks long enough to know that the roof on a 1950s ranch near Ventura Blvd fails differently than one on a hillside lot off Roscomare Road. Call (866) 705-2978 and we’ll send someone who knows the difference.
Why Marquis Roof Repair Is Sherman Oaks’s Preferred Roof Repair Company
Sherman Oaks homeowners don’t call us because we’re the nearest truck on the map. They call because we diagnose before we recommend. Ron Thibodeau built Marquis around a simple rule: investigate the roof, find the actual failure, and repair exactly what’s broken. No push toward a full replacement when six shingles and a section of flashing solves it.
We’re licensed and insured, and our crews have worked from the flats near the 405 up into the canyons south of Ventura Blvd. That matters because a roof on a graded acreage lot off Roscomare behaves differently than one on a postwar tract street in 91423. Wind exposure changes. Sun load changes. Access for materials changes. If the crew showing up doesn’t know that, the repair doesn’t hold.
Our Roof Repair team carries materials from seven manufacturer lines – GAF, CertainTeed, Tamko, and Boral among them – so the replacement shingle matches what’s already on your roof. That’s the Marquis standard: the right material, matched to the roof, the exposure, and the budget.
Styles & brands we work with






Emergency Roof Repair in Sherman Oaks
Emergency Roof Repair in Sherman Oaks is almost always wind-driven. The Santa Anas come down off the Santa Monica Mountains, funnel through the foothill canyons south of Ventura Blvd, and peel ridge vent, starter strip, and lifted field shingles off roofs that were fine the week before. In the 91403 and 91423 ZIPs, a wind-damaged roof can sit exposed for days while a homeowner waits for a callback. We don’t make you wait that long. Call (866) 705-2978 when the wind dies down and you see shingles in the yard.
Wind-Damaged Ridge and Field Shingles
When uplift tears ridge vent or starter strip, the roof deck at the ridge line is open, and the next rain will find it. We re-nail lifted shingles to the manufacturer’s wind-rating pattern, rebuild ridge vent, and re-set the drip edge. On a typical Sherman Oaks ranch, expect $450 – $900 for a ridge-and-starter repair including materials.
Leaks That Surface After the First Storm
Sherman Oaks sees rain in a short winter window, so leaks don’t develop gradually – they announce themselves the first night it pours. That’s when flashing that thermal cycling has pulled away from the valley or a vent boot cracked by UV finally lets water through. We locate the entry point, not just the ceiling stain, and repair the roof where the water actually comes in. Most flashing repairs in Sherman Oaks run $300 – $700.
Flat Roof Repair in Sherman Oaks
Flat Roof Repair in Sherman Oaks concentrates in the mid-century and hillside stock built from the 1940s through the 1980s. Many of those homes carry low-slope or gently pitched roofs with composition shingle, and on the slopes south of Ventura Blvd the sun hits them at an angle that accelerates thermal cycling. Hairline cracks in flashing, seams opening in the field, ponding water that shouldn’t be ponding – we see all of it. A flat roof patch on a Sherman Oaks home typically runs $400 – $900 depending on how far the cracking has spread.
Low-Slope Flashing and Seam Work
On a low-slope roof, the flashing at parapet walls, vent curbs, and valleys takes the worst of the expansion-contraction cycle. We re-seat or replace flashing, seal seams, and check that water still moves toward the drain edge rather than pooling against the fascia. If the grade around the house has settled, water can back up against the fascia line – that’s a drainage issue we flag, not just patch over.
Vent Boot and Valley Repair
Cracked vent boots and split valley flashing are the most common flat-roof failures on Sherman Oaks homes built in the 1950s and 60s. A vent boot replacement runs $250 – $450. Valley repair is larger: $600 – $1,200 when we have to strip, re-flash, and re-lay the valley to keep water moving downslope.
Trusted Brands We Service in Sherman Oaks
Marquis Roof Repair is authorized to install products from seven major manufacturers – GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That’s a much wider lineup than the single-brand or dual-brand trucks most Sherman Oaks roofers run. It means our recommendation is driven by your roof’s exposure, slope, and age – not by whichever brand happens to be on the truck that week. If your 1960s hillside home carries CertainTeed architectural shingles, we match CertainTeed. If a flat section calls for a different system, we have access to that too. Seven manufacturer lines, one point of contact.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in Sherman Oaks Homes
- Lifted field shingles from Santa Ana uplift. Wind funnels down off the Santa Monica Mountains and hits the foothill canyons hardest. Shingles on south-facing slopes lift a full course, and ridge vent tears loose. We re-nail to the manufacturer’s wind-rating pattern and rebuild the edge.
- UV-cracked vent boots and flashing. The Valley sun is unrelenting. Thermal cycling – the daily expand-and-contract of hot days and cool nights – cracks rubber boots and pulls flashing away from valleys. Leaks surface after the first winter storm, not gradually.
- Ponding water on low-slope roofs. Mid-century homes with gently pitched roofs often hold water at the drain edge, especially when decades of open-lot grading have let the soil settle against the fascia. We check drainage and decking before quoting squares.
- Exposed soffit and fascia at the roof edge. When wind tears off starter strip, the underlayment at the eave is unprotected. Sherman Oaks calls this the quiet damage – it doesn’t leak immediately, but it rots fast. We re-set drip edge and starter strip as part of the repair, not as an add-on.
Pricing for Roof Repair in Sherman Oaks, CA
Roof repair prices in Sherman Oaks track the hillside and acreage reality more than the square footage. A vent boot replacement runs $250 – $450. Flashing repair runs $300 – $700. Wind-damaged ridge and starter strip work lands at $450 – $900. A full valley rebuild costs $600 – $1,200. Flat roof patches run $400 – $900. What moves the number is access: a graded acreage lot off Roscomare Road means longer material hauls and sometimes a crane or steep-slope crew, where a flat Valley-floor street means a straight ladder walk. We scope drainage, decking, and access before we ever quote squares. Call (866) 705-2978 for a written line-item estimate – free, and it won’t change once work starts.
We Also Serve Cities Near Sherman Oaks
Marquis Roof Repair serves Sherman Oaks and the surrounding San Fernando Valley communities, including Valley Glen, Van Nuys, Studio City, and Encino. If you’re in one of those areas, our Sherman Oaks coverage extends to you. Same crews, same seven-brand material access, same repair-first diagnosis.
Serving Sherman Oaks, CA — Our Local Coverage Area
We’re based in the Sherman Oaks 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 Sherman Oaks
Sherman Oaks sits in the south Valley foothills where Santa Ana winds funnel down off the Santa Monica Mountains and the sun exposure is brutal. Shingles here fail from wind uplift and UV/thermal cycling long before rain ever reaches the decking. That’s the opposite of most of the country, where storm and rain damage drive roofing calls. The first Santa Ana event or the season’s first real rain is when the damage shows up – but it was decades of sun and cycles of wind that created it. Call (866) 705-2978 and we’ll tell you what actually failed, not just what leaked.
It changes it a lot. Sherman Oaks acreage lots are mostly up the slopes, and grading and drainage on an open lot sit outside city building-counter scope – they go through county review. That means before we quote anything, we scope drainage, decking, and access. Long material hauls, steep hillside access, and open-lot water flow all change the price. On a flat tract street, the same repair runs hundreds less because the crew can park at the curb and the roof is a straight ladder walk. Call (866) 705-2978 and we’ll scope your lot before we put a number on paper.
We start with the slope and the sun. Mid-century Sherman Oaks homes – the 1940s-1960s ranches and the 1970s-80s hillside builds – often carry low-slope or gently pitched roofs with composition shingle. UV has had decades to crack vent boots and pull flashing. We inspect the parapet walls, vent curbs, and valley flashing first, then check whether the grade still sheds water away from the fascia. A flat roof patch runs $400 – $900 on most Sherman Oaks homes. Call (866) 705-2978 for a line-item estimate before you commit to anything.
Ask whether the repair is matched to the manufacturer’s wind-rating pattern. That’s the single biggest question. A roofer who nails shingles back down without following the maker’s uplift spec will be back in six months. Also ask whether the ridge vent and starter strip are included or priced separately. The wind tears the edge before it lifts the field, and a repair that ignores the edge won’t hold. Marquis re-nails to spec, rebuilds the edge, and lists exactly what’s covered. Call (866) 705-2978 with your questions – we’ll answer them over the phone, not dodge them.
We repair the roof where the water enters, not just the area around the ceiling stain. That often means flashing at a valley, a vent boot, or a lifted course of shingles – not a full replacement. Sherman Oaks homes were built to take the sun and wind, and most leaks are local failures, not roof-wide rot. We scope the repair square by square and list what the short replacement window covers. Most roof repairs on Sherman Oaks homes run $350 – $1,800, not the $15,000 – $25,000 a full replacement costs. Call (866) 705-2978 for a free diagnostic estimate.
Written by Ron Thibodeau, Owner at Marquis Roof Repair, serving Sherman Oaks and the San Fernando Valley. From first inspection to final shingle, built to the Marquis standard.