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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 Replacement Across Los Angeles
Roof replacement in Los Angeles almost always means flat roof work, not the pitched shingle tear-offs you see in most of the country. The dingbat apartments, Spanish Colonial bungalows, and stucco-box houses across Koreatown, Echo Park, and Silver Lake run heavily toward built-up, modified bitumen, and TPO membranes that fail from sun damage and ponding long before shingles would wear out. Van Nuys Roofing Co handles the full scope, from first inspection to final permit sign-off, and we work with seven major material brands so you get the membrane or shingle system that actually fits your roof, your HPOZ constraints, and your budget. For a free estimate in Los Angeles, call (866) 321-6172.
Why Van Nuys Roofing Co Is Los Angeles’s Preferred Roof Replacement Company
We replaced roofs in Los Angeles before most homeowners knew what a Certificate of Appropriateness was, and we have the scars from the learning curve so you don’t have to. Our crews have worked in every ZIP from 90036 to 90039, which means we know the difference between a roof drain that just needs a new leaf screen and a scupper that has been backing water into the perimeter decking for two winters. That local knowledge changes the quote you get, because we price for what the job actually requires, not what a generic estimate assumes.
Homeowners across Los Angeles call us because we inspect first and recommend second. That is not a slogan, it is how we run every job. A full roof replacement is a five-figure decision, and you deserve to know whether your roof has five more years in it or whether the membrane is already failing at the seams. We do not push a tear-off when a repair will hold, and we do not push a repair when the roof is done. Rick Dominguez built the company around that straight answer, and it is why our Los Angeles customers keep coming back when a second property needs work.
We also know how to work a tight Los Angeles lot without making your neighbors hate you. Staging, debris removal, noise, shared walls, permit parking, film-shoot street closures – all of it gets planned before the first shingle comes off. You get a written scope, a fixed price, and a crew that respects the people living on either side of you.
Styles & brands we work with
Roof Installation in Los Angeles
Roof installation in Los Angeles is rarely a simple swap. The city’s housing stock is dominated by low-slope and flat roof assemblies, and a proper installation means building or rebuilding the drainage plane, not just laying down new material. On a dingbat in the 90037 ZIP, for example, the roof may have four separate low-slope sections, three scuppers, two internal drains, and original flashing that has been patched with roofing cement for decades. Installing a new membrane correctly means pulling the old layers, inspecting the decking, repairing rotted perimeter boards, and re-flashing every penetration before the new system goes down.
Built-Up and Modified Bitumen Systems
Many older Los Angeles flats started life with hot-mopped built-up roofing, and a lot of them have been overcoated with torch-down modified bitumen at least once. We install both, but we also tell you when a single-ply membrane like TPO makes more sense for the long term. The decision comes down to roof traffic, ponding tendencies, and the HPOZ or design review constraints on your property.
TPO and Single-Ply on Flat Sections
TPO has become the standard for low-slope residential roofs in Los Angeles because it holds up under intense UV and reflects heat instead of absorbing it. On a rear addition that is not visible from the street, TPO is often the cleanest, most cost-effective choice. We install GAF EverGuard TPO, among other manufacturer systems, and we know the installation specs for every brand we carry.
Roof Replacement Contractor in Los Angeles
Hiring a roof replacement contractor in Los Angeles means hiring someone who understands that the roof is not the hard part. The hard part is the permitting, the access, the shared walls, the HPOZ review, and the sequencing of tear-off and installation on a lot with nowhere to put a dumpster. That is the work we do every week. A roof replacement on a 1920s Spanish Colonial bungalow in Angelino Heights with a low-slope rear addition and a 10-foot-wide driveway is a different job than a roof on a cul-de-sac with full street frontage and room for a boom truck.
HPOZ and Design Review Coordination
If your home sits in a Historic Preservation Overlay Zone, visible roof changes may require a Certificate of Appropriateness before the building department issues the permit. We check the overlay zone before we order materials, because changing a visible roof profile or material after the fact can mean a redesign, a delay, and re-priced materials. Front pitches on HPOZ properties often need to match the original character, while flat rear sections hidden from the street give you more flexibility.
Narrow-Lot Staging and Access Planning
Many Los Angeles lots have no alley and no room for a dumpster or a boom truck. When that happens, we either hand-carry tear-off through the house or bring in a spider crane, depending on the site. This is exactly the kind of cost that gets left out of a cheap quote and then added back as a change order. We price staging and access up front, so the number you approve is the number you pay.
Trusted Brands We Service in Los Angeles
We are fluent in seven of the industry’s leading roofing material brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Los Angeles homeowners, that means real choice. If your HPOZ front pitch calls for a specific shingle profile and your rear flat section needs a white reflective membrane, we are not tied to one manufacturer’s catalog to make that work. We stock local parts and source materials fast from Los Angeles distributors, so a replacement does not stall waiting on a truck from out of state. On that Angelino Heights bungalow, we used CertainTeed Landmark shingles on the visible front pitch and GAF EverGuard TPO on the hidden rear addition, matching the HPOZ requirements exactly. Your roof, your material choice, serviced by one crew.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Los Angeles Homes
- Clogged scuppers and roof drains after the first rains. Jacaranda blossoms, palm fronds, and wind-blown debris plug the leaf screens on flat roofs across South and Central LA every January. Water backs up, ponds against the wall or curb, and works its way under the flashings until the perimeter decking rots. A $35 leaf screen replacement becomes a $7,000 decking repair because the water sat there for a month.
- UV and thermal-cycling failure on older membranes. Los Angeles roofs bake all summer and cool every night, and that daily expansion and contraction is what kills modified bitumen and torch-down seams. By the time a flat roof starts showing visible cracks or splits along the laps, the membrane is usually past repair and into replacement territory.
- HPOZ review complications on visible roofs. Homeowners in 90036 and the surrounding historic districts discover too late that their visible roof change requires a Certificate of Appropriateness and design review. If the contractor never checked the overlay zone, the materials may already be ordered, the crew scheduled, and the design wrong for the district. That is a costly, avoidable mess.
- Original unpermitted additions with failing low-slope roofs. A huge share of the housing stock in the 90001-90010 corridor includes rear additions and enclosed porches that were never logged with the building department. When the roof on that addition fails, replacing it often means bringing the framing and decking up to current code at the same time, which changes both the scope and the price.
Pricing for Roof Replacement in Los Angeles, CA
A full roof replacement in Los Angeles typically runs $9,000 to $19,000 for a flat or low-slope roof on a standard bungalow or dingbat unit, with larger multi-section buildings running higher. A pitched shingle replacement on a Craftsman or Spanish Colonial front roof generally lands between $12,000 and $22,000, depending on square count, HPOZ requirements, and decking repairs. Full roof installation with new decking and insulation on a larger home can push into the $25,000 to $40,000 range. The biggest swing factors in Los Angeles are access and decking: a tight lot with no alley access adds crane or hand-carry labor, and rotted perimeter decking on a flat roof adds material and disposal. Our quotes are written, line-itemed, and fixed once the scope is set. Call (866) 321-6172 to schedule a free inspection and roof replacement estimate in Los Angeles.
We Also Serve Cities Near Los Angeles
Our Los Angeles crews work across the surrounding neighborhoods every week. We serve Koreatown, Echo Park, Silver Lake, and Hollywood, plus the full Roof Replacement in Los Angeles metro. If you are unsure whether your property is in our coverage area, call (866) 321-6172 and we will tell you straight.
Serving Los Angeles, CA — Our Local Coverage Area
We’re based in the Los Angeles 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 Replacement in Los Angeles
Yes, if your property sits in a Historic Preservation Overlay Zone and the roof change is visible from the street, you typically need a Certificate of Appropriateness from the HPOZ board before the building permit is issued. The review applies to material changes, profile changes, and sometimes even color on the front-facing roof planes. We check the overlay zone before we order anything, so you never lose weeks to a redesign. Call (866) 321-6172 and we will verify your property’s HPOZ status during the inspection.
A tight Los Angeles lot with no alley access raises your quote by $1,500 to $4,500 depending on whether the crew can work from the street or has to hand-carry tear-off through the house. If a boom truck cannot reach the roof, we use a spider crane, which is slower and more expensive to operate. We price staging and access before you sign, so the quote includes the actual site conditions instead of a generic assumption. Estimates are free at (866) 321-6172.
Clogged scuppers and roof drains are the leading cause of flat-roof leaks on dingbats in South Los Angeles. Jacaranda blossoms, palm fronds, and general debris plug the leaf screens after the first January rain, water ponds against the curb or wall, and then backs up under the flashings at the perimeter. The membrane itself is often still in serviceable shape, but the decking underneath has been rotting for months. If your flat roof ponds after rain, call (866) 321-6172 for an inspection before the damage spreads.
Yes, we replace roofs on zero-lot-line properties all over Los Angeles. When a neighbor’s wall sits on the property line, we coordinate party-wall notification before work starts and plan the tear-off so we do not disturb their side of the wall. It changes the staging, the flashing details, and sometimes the sequence of work, but it does not stop the job. If your roof shares a wall, mention it when you call (866) 321-6172 so we can plan for it.
A square is 100 square feet of roof surface, and it is the unit roofers use to price materials and labor. A typical Los Angeles bungalow runs 12 to 18 squares, a larger Spanish Colonial or two-story home runs 20 to 30 squares, and a dingbat apartment building with multiple low-slope sections can run 40 squares or more. Flat sections are measured separately from pitched sections because the systems and pricing are different. We measure every roof in person during the free estimate, so you never guess at square counts.
For a straight answer on your Los Angeles roof, call Van Nuys Roofing Co at (866) 321-6172. We inspect first, recommend second, and give you a written, fixed-price quote before anything is ordered.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving Los Angeles and the San Fernando Valley.