Architectural shingles
Metal roofing
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 Replacement Across Florence-Graham
Roof replacement in Florence-Graham usually means tearing off a failed hot-mop or rolled membrane from a low-slope stucco house built between the 1920s and 1950s, then rebuilding it with a system that handles intense UV exposure and the occasional atmospheric-river downpour. Most jobs on this side of the 90001 ZIP run between $8,500 and $18,000 depending on roof size, decking condition, and whether the lot is alley-access. We’ve worked the side streets off East Florence Avenue and Alameda Street long enough to know that every job here has quirks: decorative false fronts hiding ponding water, scuppers draining onto a neighbor’s yard, county permits instead of city ones. Call (866) 850-2496 to schedule a free inspection, and we’ll walk you through exactly what your roof needs before any work begins.

Why Windmill Roof Repair Is Florence-Graham’s Preferred Roof Replacement Company
Florence-Graham is unincorporated LA County, which changes how roofing work gets permitted, staged, and inspected. We know the County Building & Safety process here because we work through it regularly, not once in a while. Homeowners along East Florence Avenue, Graham Avenue, and the residential blocks near the Huntington Park border call us because we explain the difference between a targeted repair and a full replacement without pushing toward the more expensive option. Roof Replacement is one of three services we offer, alongside standalone inspection and repair, so the recommendation you get reflects what your roof actually needs. We carry materials from Tamko, GAF, and Boral, among others, which means the shingle or membrane we propose is matched to your roof’s specifics, not to a single brand we’re tied to.
Our team has handled dozens of roofs in Florence-Graham where the failure was invisible from the street: a cracked parapet seam, a clogged scupper, a false front funneling water behind the stucco. That local familiarity saves time during inspection and keeps tear-off from turning into a surprise. Ruben Ochoa leads every estimate, and he’s the one who walks the roof, checks the drainage path, and tells you whether a repair or replacement is the honest call.
Styles & brands we work with






Roof Replacement Contractor in Florence-Graham
A Roof Replacement Contractor in Florence-Graham deals with a housing stock that’s tighter and older than what you’ll find in the tract subdivisions further south. Homes here are compact, one-story, and often share lot lines close enough that ladder placement and tear-off staging require real planning. A full replacement on a typical 1,000 to 1,400 square foot flat or low-slope roof in Florence-Graham runs $8,500 to $14,000 when the decking is sound. If the original tongue-and-groove decking shows dry rot from decades of ponding water, add $1,500 to $3,500 for replacement. On alley-access lots where every bundle of shingles and every bag of tear-off debris moves by hand, labor runs higher than a suburban driveway job. We scope that access before quoting, so the number we give you already accounts for it.
False Fronts and Hidden Drainage
Many Florence-Graham roofs hide behind stepped stucco false fronts that were never flashed properly at the parapet transition. Water ponds behind the front, works into the wall, and surfaces as a stain on the siding or a drip onto the neighbor’s property. Tearing off the membrane isn’t enough; the transition has to be rebuilt with new underlayment and ice-and-water shield before the new system goes down.
Decking Reality Check
We often find roof decking in worse shape than the membrane covering it. UV heat and trapped moisture break down old 1×6 planks, and a new roof over spongy decking fails early. We include decking assessment in every Florence-Graham estimate so you’re not surprised mid-job.
Asphalt Shingle Roof Replacement in Florence-Graham
Asphalt Shingle Roof Replacement in Florence-Graham is less common than flat-roof work here, but it shows up on postwar bungalows and small multi-unit rentals that still have a pitched section over the living quarters. A full asphalt shingle replacement on a 1,000 to 1,500 square foot pitched roof in Florence-Graham typically runs $6,800 to $11,500, depending on the shingle grade and how much old roofing has to come off. Three-tab shingles sit at the lower end, while architectural shingles from Tamko or GAF add $800 to $1,500 to the total. If the existing roof has two layers of shingles already, tear-off and disposal costs climb, and we’ll recommend testing the decking underneath before re-covering.
Pitched Sections on Otherwise Flat Roofs
It’s common to find a small pitched shingle section on the front of a Florence-Graham house while the rear is flat. We scope those transitions carefully because the seam between the shingled slope and the flat membrane is where leaks start. Both systems have to be tied together correctly, or you’ll be back on the roof within two winters.
New Construction and Roof Decking Replacement
When new construction or a major addition share the parcel in Florence-Graham, the roof system has to tie into existing drainage without conflicting with county septic or well setbacks. We also handle full roof decking replacement on homes where the original wood is too far gone to hold fasteners. That work gets quoted separately because it only shows up once the old roof is off.

Trusted Brands We Service in Florence-Graham
We work across seven shingle and membrane manufacturers, including GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That means the material on your Florence-Graham roof is chosen for its UV resistance, wind rating, and compatibility with low-slope drainage, not because a distributor gave us a deal. For flat and low-slope work, we commonly recommend elastomeric coatings and modified bitumen systems that hold up under decades of LA Basin sun. For pitched sections, Tamko and GAF architectural shingles give you a thicker mat and better wind performance than three-tab. We keep the most-requested underlayments, flashings, and coatings accessible for Florence-Graham jobs, so material turnaround doesn’t drag your timeline.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Florence-Graham Homes
- Ponding behind false fronts: Original hot-mop or rolled membranes collect water where the roof meets a stepped stucco facade. The leak often shows up on the neighbor’s side yard, not inside the house, so homeowners don’t catch it until the decking is already compromised.
- Clogged scuppers and flat-roof drains: Tight lot spacing means one clogged drain sends water under flashing and into parapet walls during a heavy storm. Atmospheric-river events tax these systems fast, and the damage compounds over repeated cycles.
- Alley-access staging limits: Narrow driveways and alley approaches mean tear-off debris and new material move by hand carry. That increases labor time and raises the chance of decking damage if crews rush the staging.
- Outbuildings and detached ADUs: Separate structures on the same parcel often have their own low-slope roofs tied into the main house drainage. County septic and well setback rules can restrict where new roof drains and downspouts may discharge, which changes the scope of a simple replacement.
Pricing for Roof Replacement in Florence-Graham, CA
Here’s what roof replacement in Florence-Graham actually costs as of this year. A flat or low-slope roof on a 1,000 to 1,400 square foot house runs $8,500 to $14,000 when the decking is sound. An asphalt shingle replacement on a comparable pitched roof runs $6,800 to $11,500. Add $3,500 to $7,500 for full roof decking replacement if the original wood is rotted from years of trapped moisture. Alley-access staging adds $800 to $1,800 depending on carry distance. Outbuildings and detached ADUs priced separately because their roof systems and drainage ties require individual scoping. The free estimate we give you is a written line-item quote, not a rough guess. Call (866) 850-2496 to get yours.
We Also Serve Cities Near Florence-Graham
Windmill Roof Repair handles roof replacement across the South LA corridor. We regularly work in Huntington Park, Walnut Park, Willowbrook, and South Gate, and our crews know the local permitting and staging differences between each. If you’re reading this from a nearby city, Roof Replacement in Florence-Graham coverage extends to the surrounding blocks where the housing stock and flat-roof challenges are nearly identical. Call (866) 850-2496 to confirm we serve your street.
Serving Florence-Graham, CA — Our Local Coverage Area
We’re based in the Florence-Graham 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 Florence-Graham
Yes. Florence-Graham is unincorporated LA County, so roof replacements are permitted through LA County Building & Safety, not through a city building department. We handle the permit paperwork as part of the job, including any required inspections. Call (866) 850-2496 and we’ll walk you through what your specific parcel requires.
In most cases, yes. We remove the failed membrane, rebuild the parapet transition with new underlayment and flashing, and leave the decorative stucco front intact unless it’s structurally failing. On a 1928 flat-roof stucco house off East Florence Avenue, our crew tore off to the decking, rebuilt the scupper with proper flashing, and topped the new membrane with a UV-rated elastomeric coating system. The homeowner got a dry roof and corrected drainage that no longer crossed the property line.
We hand-carry material squares and tear-off debris through the alley or side gate, and we price the labor for that access method up front. On a tight Florence-Graham lot, that adds $800 to $1,800 to a full replacement depending on carry distance. The estimate you get already includes it, so there’s no change order once work starts.
Most of these homes do best with a modified bitumen membrane or an elastomeric coating system rated for intense UV exposure and periodic ponding. Hot-mop and rolled systems from the original build era are obsolete and prone to seam failure behind false fronts. We’ll match the system to your roof’s actual slope and drainage pattern, not to whatever brand we happen to stock.
It can, and that’s why we scope drainage before quoting. County septic and well setback rules on Florence-Graham lots can limit where new roof drains and downspouts discharge, and existing scuppers sometimes drain onto the neighbor’s side yard. We correct that path during replacement so your new roof doesn’t create a drainage conflict. Call (866) 850-2496 to schedule a free inspection and get a written quote for your specific parcel.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Florence-Graham and the surrounding LA County communities.