Metal roofing
Architectural shingles
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 Replacement Across Koreatown
Roof replacement in Koreatown, CA typically costs $9,500 to $22,000 for a standard single-family home, with flat-roof apartment work running $12 to $18 per square foot depending on decking condition and how many penetrations need flashing rebuilt. We replace roofs throughout Koreatown every week, from the bungalow streets off Wilshire to the low-rise apartment blocks near Western. Manny Cordero and our crews know this neighborhood’s housing stock well enough to predict what a tear-off will actually reveal before the first shingle comes up. If you’re weighing a replacement, call (866) 974-2271 for a free estimate with numbers specific to your building.
Why Koreatown Roofing Is Koreatown’s Preferred Roof Replacement Company
We only do roofing. No general contracting, no side jobs, no “we can handle that too.” Every one of our jobs in Koreatown is an inspection, a repair, or a replacement, and that focus means we answer roof questions with roof knowledge, not a handyman’s best guess. Manny Cordero has built this company around one idea: a Koreatown property owner should never have to choose between a franchised call center and a contractor who sees roofing as filler work between kitchen remodels.
Our reputation in Koreatown comes from doing what the quote said we’d do. When we open a roof on a 1920s bungalow and find soft sheathing, we don’t panic the homeowner and we don’t bury the discovery in vague language. We walk them through the cost, write the change order, and get approval before moving. That’s why landlords on apartment buildings near Wilshire and Western keep our number. It’s also why homeowners tell their neighbors. Call (866) 974-2271 and you’ll talk to someone who knows the difference between a Spanish Colonial roof structure and a 1970s stucco fourplex, because we’ve worked on both in Koreatown this month.
Styles & brands we work with
Flat Roof Replacement in Koreatown
Flat Roof Replacement in Koreatown is a different job than a shingle tear-off in the Valley, and it’s the most common roof type we replace on the 1960s to 1980s low-rise apartment buildings packed along Wilshire and Western. Most Koreatown flat roofs fail at the flashing seams around rooftop HVAC curbs and signage penetrations long before the field membrane gives out. Water finds the seam, rusts the metal underneath, and pools around the curb until the roof rots from the penetration outward. A proper replacement means more than peeling the old cap sheet and rolling on a new one. It means rebuilding curbs, resetting drains, and re-flashing every penetration with new metal before any membrane goes down.
You should consider flat roof replacement in Koreatown when you have recurring leaks in the same spots, visible ponding 48 hours after rain, or a tenant reporting water stains near rooftop equipment. On a typical Koreatown flat-roof apartment building, the work runs $12 to $18 per square foot. The range depends on how many HVAC units and signs sit on the roof and whether the existing decking is salvageable.
Curb and Penetration Rebuilds
We tore off a ponding flat roof on a 1970s stucco-clad fourplex off Western near Wilshire, and under the blistered cap sheet the HVAC curb flashing had been patched with mastic over rusted metal. We rebuilt the curb, reset the drains, and installed a new GAF flat-roof assembly with fresh flashing at every penetration. Then we walked the Korean-speaking owner through the written change order before laying a single square.
This is standard for buildings near Wilshire. Rooftop HVAC and signage penetrations fail at the flashing seams first, so a quote that only covers the field membrane is a quote that will change once the tear-off starts.
Drainage and Ponding Correction
Older Koreatown flat roofs often have drains that were never set to the right slope, or that settled over the decades along with the building. When we replace a flat roof, we check each drain location and reset low spots so water moves instead of ponding. Santa Ana heat dries the membrane, winter rain finds the low spot, and the cycle repeats until the decking under that puddle is mush. Fixing slope on replacement day costs far less than replacing decking a year later.
Roof Installation in Koreatown
Roof Installation in Koreatown covers both new construction and the total removal and replacement of an existing roof system, and the difference matters when you’re pricing the job. A full replacement on a 1910s to 1930s Craftsman or Spanish Colonial bungalow means stripping old composition shingles, inspecting the original wood sheathing beneath, and deciding whether it can hold a new fastener pattern or needs an over-sheathing layer. New construction is cleaner: fresh decking, modern underlayment, and a roof built to current Los Angeles code from day one. A standard shingle roof installation on a Koreatown single-family home runs $9,500 to $22,000, with architectural shingles on the higher end of that range.
Koreatown’s housing stock is old enough that installation rarely means slapping shingles on a perfect deck. Most of these homes have original wood sheathing that’s been patched, walked on, and baked under Santa Ana sun for a century. We plan for that reality from the first estimate.
Decking Inspection and Replacement Allowance
On a recent installation near Wilshire Place, the original 1920s decking had delaminated in four sections where old leaks had gone unrepaired. The homeowner’s quote included a written decking allowance based on square footage, so the replacement was priced and approved before we cut anything. That’s how we handle every Koreatown installation: inspection first, allowance in writing, change order approved before work proceeds. Your roof, your material choice, but your decking condition is what it is. We find out together before the tear-off, not after.
Architectural Shingle Systems for Dense Lots
Koreatown homes sit shoulder to shoulder, which means wind uplift behaves differently than on a suburban lot with open air on all sides. Santa Ana events funnel between buildings and lift shingle corners along drip edges and valleys where starter strip was never installed to spec. We install architectural shingle systems with full starter strip, valley metal, and fastening patterns rated for the wind exposure Koreatown actually gets. Product choices include CertainTeed and Owens Corning lines, and we recommend based on your roof’s slope and exposure, not what one supplier has in stock.
Trusted Brands We Service in Koreatown
We work with the brands you already trust. Our material roster includes GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. No single-supplier dependency means our recommendation for your Koreatown roof comes from what the job needs and what your budget allows. If a flat-roof apartment near Wilshire needs a reinforced membrane assembly, GAF makes sense. If a bungalow roof near Normandie needs a Spanish-look tile profile, Boral offers options worth comparing. We stock or quickly order the materials for all seven brands, so turnaround on your Roof Replacement does not depend on hunting down supply.
Common Roof Replacement Problems We See in Koreatown Homes
- Flashing failure at rooftop penetrations. On Koreatown’s flat-roof apartment buildings, HVAC curbs and signage mounts leak at the seams years before the membrane itself fails. By the time a tenant reports water, the curb underneath is often rusted and needs rebuilt, not resealed.
- Soft or delaminated original decking. The 1910s to 1930s bungalows in Koreatown often still sit on original wood sheathing. Decades of small leaks and heat cycles leave sections soft, and a shingle quote without a decking allowance will change once the tear-off reveals what’s underneath.
- Santa Ana wind damage along drip edges. Wind funneling between dense lots lifts aging composition shingles where starter strip was never installed or fasteners were underdriven. The damage shows at eaves and valleys first, but the water entry often ends up on interior ceilings.
- Ponding on low-slope apartment roofs. Poorly maintained drains on older Koreatown flat roofs cause water to pool and break down membranes. By the time a replacement is scheduled, decking under the low spots often needs repair, which is exactly the kind of condition a thorough estimate accounts for.
See the difference
Before
After
Before
After
Before
AfterPricing for Roof Replacement in Koreatown, CA
Your roof, your material choice. A flat roof replacement on a Koreatown apartment building runs $12 to $18 per square foot. A standard shingle roof replacement on a single-family bungalow runs $9,500 to $22,000 depending on roofing material, decking condition, and the number of penetrations. When the old roof comes off, the real decking condition shows up. That’s why our Koreatown estimates include written allowances for decking replacement and flashing rebuilds rather than a bare-bones number that will grow on day two. We write fixed-price line items and any change is presented in writing before we proceed. Call (866) 974-2271 to schedule a free estimate and get numbers pulled for your specific building, not a price sheet.
We Also Serve Cities Near Koreatown
Our crews work throughout the surrounding area, including Los Angeles, Echo Park, Silver Lake, and Hollywood. If you’re just outside Koreatown proper, you’re still in our service radius. If you’re researching Roof Replacement in Koreatown, give us a call at (866) 974-2271 and we’ll confirm coverage for your street.
Serving Koreatown, CA — Our Local Coverage Area
We’re based in the Koreatown 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 Koreatown
A quote changes because the decking under the old roof is often in worse shape than anyone could see from the surface, especially on pre-1940 Koreatown homes with original wood sheathing and on flat-roof apartments where penetration flashing has been leaking for years. We handle this by writing decking and flashing allowances into the original contract, priced per square foot and per penetration, so your quote moves with a written change order that you approve before we proceed. Call (866) 974-2271 for an estimate that plans for what a Koreatown tear-off actually reveals.
Yes. Flat-roof apartment buildings near Wilshire need flashing and curb work at HVAC and signage penetrations that steep-shingle bungalows don’t have at all. The membrane is only part of the job; the more common failure point is the seam where rooftop equipment meets the roof. A quote that doesn’t include penetration flashing rebuilds will change. Ours includes them or carries a written allowance, and we’ve done this enough times on Koreatown apartment buildings to identify the risk before the tear-off.
We inspect it from the attic before we ever start the tear-off, then re-inspect once the shingles are off and every board is exposed. Delaminated or rotted sections get replaced at the per-square-foot rate written into your contract. We don’t make you guess. The decking allowance is in the quote from day one, and any adjustment is approved in writing before we touch it.
It depends on the full system, not the shingle alone. Starter strip, fastening count, underlayment attachment, and valley metal all contribute to how a roof holds in a Santa Ana event, and missing starter strip along drip edges is the most common wind-failure point we find on older Koreatown homes. We install every component to the manufacturer’s wind-rated spec for your exposure, including sealed valleys and full starter coverage, because the next wind event doesn’t care which piece was skipped.
Yes, and we routinely do so on Koreatown apartment buildings near Wilshire and Western. When an owner or manager prefers to review the scope, allowances, and change orders in Korean, we work with them directly and use written line items so nothing is left to oral recall. The paperwork is in English, but the explanation doesn’t have to be. Call (866) 974-2271 and let us know your preferred language for the estimate walkthrough.
Contact Koreatown Roofing for Your Roof Replacement
If your Koreatown roof is at the end of its life, or you’re managing an apartment building that’s been patched one time too many, call (866) 974-2271. We’ll schedule a free estimate, put the decking and flashing allowances in writing, and walk you through the material options from the brands you already recognize. You’ll talk to Manny Cordero’s team, not a call center. Your roof, your material choice, and a number that holds because we wrote it honestly.
Written by Manny Cordero, Owner at Koreatown Roofing, serving Koreatown, CA.