Metal roofing
Architectural shingles
Tile roofing
GAF
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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 North Hollywood
Roof repair in North Hollywood usually costs between $285 and $1,450 depending on the damage, and most small leaks on homes here are fixed in a single visit. Our crews work throughout the 91601, 91602, and 91605 zip codes weekly, so we know exactly what the Valley heat does to a roof. If you need a repair in North Hollywood, call (213) 521-8272 and you’ll get a live person, not a voicemail tree.
What makes roofing here different from Burbank or Studio City is the housing stock. By and large, you’re dealing with flat and low-slope roofs on mid-century homes that need a different set of skills than pitched shingle work. We’ll get into that below. But the short version: if you own a home in North Hollywood, you need someone who understands torch-down, built-up roofing, and how the San Fernando Valley sun punishes them.
Before any work starts, you’ll get a written price. Every repair includes a written guarantee, and if the repair fails within 365 days, we come back on our dime. That’s the Mercer way, and it’s been that way since 2000.
Key Takeaways
- Most North Hollywood roof repairs cost $285 – $1,450, with flat roof work leaning toward the higher end.
- Mid-century flat and low-slope roofs dominate here, which means alligatoring and UV damage are the main culprits.
- Every repair gets a written price before work begins and a written 365-day guarantee included.
- We send a technician’s name and photo before they arrive. They’ll show a photo ID badge at your door.
- Call (213) 521-8272 for a free estimate. A live person answers 24/7.
Why Mercer Roofing Co Los Angeles Is North Hollywood’s Preferred Roof Repair Company
North Hollywood homeowners keep calling us back for one simple reason: we remove the unknowns. You’ll know who’s coming to your door before they knock. Every Mercer technician is background-checked, identity-verified, and arrives in a clean, marked uniform with a photo ID badge. We send you their name and photo ahead of the visit. If you’re home alone, or you’ve got young kids, or you just don’t like the idea of a stranger on your property, that badge-at-the-door promise matters.
We also put everything in writing. The price you approve is the price you pay. No verbal estimates, no “we’ll see when we get up there” hand-waving. If our repair doesn’t hold up within 365 days, we fix it again free. That guarantee is written into every job we do in North Hollywood, from Valley Village to the NoHo Arts District. Grant Whitlock leads our team, and he holds every job to the Threshold Verified standard: background-checked, photo-badged, uniformed technicians on every single visit. No exceptions.
Styles & brands we work with






Emergency Roof Repair in North Hollywood
Emergency Roof Repair in North Hollywood typically costs $350 – $950 for same-visit mitigation, which includes a temporary seal, tarping if needed, and a written plan for the permanent fix. We see emergency calls spike during the first heavy rain of the season in November and December, when years of UV damage finally let water through. If water is coming into your living room, call (213) 521-8272 and we’ll talk you through what to do while a technician heads your way.
What Happens During an Emergency Visit
First, we stop the water. That means locating the breach, applying a temporary seal, and tarping the area if the storm is still active. On flat roofs in North Hollywood, most emergency leaks trace back to failed flashing at penetrations: plumbing vents, HVAC curbs, or the parapet wall where ponding water has been sitting. Second, we document everything in writing and give you a permanent repair plan with a firm price before anything else gets touched.
When a Leak Can’t Wait
A slow drip is one thing. A water stain spreading across your ceiling during a storm is another. If the leak is near electrical fixtures, don’t touch the switch or the fixture. Shut the circuit off at the breaker if it’s safe to do so, put a bucket under the drip, and call us. Roof work on any wet or damaged roof involves real fall hazard and electrical risk. This is not a DIY situation on a flat roof with a parapet wall in a storm. Let a trained professional get up there.
Flat Roof Repair in North Hollywood
Flat Roof Repair in North Hollywood runs $400 – $1,800 for most jobs, with full built-up or torch-down membrane replacements on larger homes reaching $8,000 – $12,000. The reason flat roof work costs more here than shingle work is simple: you can’t just swap out a few damaged shingles. Flat roofs are a system of layers, and when one layer fails, you often expose problems in the layers beneath it.
Alligatoring: The July Heat Signature
If you look at the roof of a 1950s-era home in the Arts District during the summer, you’ll often see a pattern of deep cracks that looks like alligator skin. That’s the top layer of an old torch-down roof buckling under heat. Alligatoring on original 1950s torch-down layers fails without warning during July heat waves, causing interior leaks in Arts District homes. The fix isn’t a patch. The compromised layer has to be removed and replaced before rain finds its way through every crack in the membrane.
Ponding Water and Deck Rot
Low-slope built-up roofs hold water after rain. That’s a design feature, not a bug, but when water sits for more than 48 hours, it starts working into seams and around penetrations. Ponding water on low-slope built-up roofs accelerates decking rot around plumbing vents and HVAC curbs, undermining the structural framing below. By the time you see a stain on the ceiling, the decking underneath might already be spongy. We check deck condition on every flat roof repair we do in North Hollywood, not just the membrane on top.
On a 1953 ranch in the Arts District, our crew opened up a failing built-up roof to find the original torch-down layers riddled with alligatoring and the decking underneath showing signs of dry rot where flashing had pulled away from the parapet. We replaced the compromised decking, installed new GAF underlayment with ice and water shield at the penetrations, and added a ridge vent to improve attic airflow. Then we rebuilt the valleys where ponding had accelerated granule loss on the old composition shingles. That’s what a real flat roof repair in North Hollywood looks like: you fix the roof as a system, not a surface.
Trusted Brands We Service in North Hollywood
We install and repair GAF, CertainTeed, and Owens Corning systems most often in North Hollywood, and we keep common torch-down and underlayment stock on hand so repairs on mid-century homes don’t stall waiting on parts. For flat roofs and parapet details, we work with GAF underlayment and ice and water shield because the UV exposure here demands a membrane that won’t degrade by August. For shingle replacements on the ranch homes and bungalows north of Burbank Boulevard, we use Atlas and Tamko lines that hold up to the Valley’s heat-and-wind cycle. Your Roof Repair quote will name the exact brand and product line, so you can verify what you’re paying for before any material arrives on your roof.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Repair Problems We See in North Hollywood Homes
- Alligatoring on original torch-down layers. Homes built in the 1950s and early 60s with original flat roof systems crack in the heat. These cracks look cosmetic but they’re pathways for water. By the time you see staining, the membrane has already failed.
- UV-cracked asphalt shingles on ranch homes. The hot, sunny summers with temperatures often exceeding 90°F accelerate granule loss and expose the fiberglass mat. Granule loss then leads to premature water intrusion during winter rains, especially on south-facing slopes of Minimal Traditional homes.
- Ponding water and decking rot. Low-slope built-up roofs hold water around plumbing vents and HVAC curbs. That water seeps into the decking and rots it from the inside out. The repair cost jumps once decking is involved.
- Failed flashing at parapet walls and valley transitions. On the mid-century flat roofs common west of the 170, parapet flashing pulls away from the wall over time. Valley repair on the rare pitched sections then compounds the problem when water channels into the gap and runs under the membrane.
Pricing for Roof Repair in North Hollywood, CA
Here are the real numbers for North Hollywood as of 2026. A small leak repair around a vent boot runs $285 – $400. Shingle replacement on a ranch home’s damaged slope runs $450 – $950. Flashing repair at a parapet or chimney runs $400 – $800. Flat roof patches with membrane repair run $500 – $1,200. Full torch-down membrane replacement on a larger flat roof runs $8,000 – $12,000. Valley repair on a composition shingle roof runs $600 – $1,400.
What moves the price? Decking condition. If water has been sitting, you’re paying for plywood or OSB replacement, not just membrane work. That’s the part of the quote no other roofer wants to talk about until they’re already on the roof. We write allowances into the contract for any decking we expect to find, and if we find more, you approve the change in writing before we cut anything. Call (213) 521-8272 to schedule a free estimate and we’ll give you a written price on the spot.
We Also Serve Cities Near North Hollywood
Our Roof Repair in North Hollywood team also covers homes in Burbank, West Hollywood, Venice, and Los Angeles. If your property sits near the North Hollywood border but your mailing address says otherwise, call us and we’ll confirm coverage. Scheduling for all these areas is coordinated from our Los Angeles office, and the same written price and photo-badge promise apply everywhere we work.
Serving North Hollywood, CA - Our Local Coverage Area
We’re based in the North Hollywood 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 Hollywood
If the cracks are deeper than the top membrane layer and you can see fibrous material or a darker underlayer in the gaps, the alligatoring is structural, not cosmetic, and it will leak. Superficial surface checking on older torch-down is common and not urgent, but alligatoring that penetrates the membrane is a failure point. Call (213) 521-8272 and we’ll inspect it. The inspection is free, and you’ll get a written report with a price for whatever we find.
Any roof repair that involves opening up the roof deck or replacing more than a designated percentage of the membrane typically triggers current building code requirements for the repaired section. In North Hollywood, that most often means bringing the roof assembly up to current Title 24 energy standards, which can include adding insulation or improving ventilation. The city of Los Angeles also requires cool-roof-compliant materials on many flat roof replacements. We pull permits and manage inspections for every job that requires them, and the written quote includes those costs.
A square equals 100 square feet. If one quote prices the job at $600 per square, that’s $6 per square foot. If another quotes $7.50 per square foot, the square-based quote is cheaper. But the bigger difference is scope: one contractor may be quoting membrane only, while another includes decking repair, flashing replacement, and permit costs. Our written quote always itemizes line by line, in plain English, so you can compare apples to apples. Call (213) 521-8272 for a written line-item quote and we’ll walk you through it.
The shingle rating means the shingle itself can handle wind, but the system fails when the seal strip has degraded from UV exposure or when the nails were overdriven or underdriven during the original installation. In North Hollywood, the repeated heat cycles weaken the adhesive bond on the seal strip, and then a Santa Ana gust peels the shingle like a Post-it. The fix is not more roofing cement. It’s a proper inspection of nailing patterns and replacement of the affected shingles with a correct installation. Call us at (213) 521-8272 and we’ll inspect the windward slopes.
March through early June, before the July heat waves, and late September through early November, before the first winter rains. Avoid scheduling membrane work during July and August when temperatures exceed 90°F, because torch-down and adhesive materials cure differently in extreme heat, and technicians working on a 140°F roof surface makes for slower, less precise work. That said, if you have an active leak, don’t wait for ideal weather. We’ll work around temperature constraints and use heat-appropriate materials. Call (213) 521-8272 to schedule a free estimate at any time.
Written by Grant Whitlock, Owner at Mercer Roofing Co Los Angeles, serving North Hollywood since 2000.