Tile roofing
Architectural shingles
Metal 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 Downey
Roof replacement in Downey typically costs between $9,500 and $22,000 for a standard single-story home, with flat and low-slope re-roofs on mid-century tract houses falling in the $11,000 to $18,000 range depending on square footage and decking condition. Most Downey jobs take two to four working days once materials arrive, though long-lead items like custom flashing or specialty tile can push scheduling out several weeks. We work across Downey regularly, and our crews know the difference between a 1952 flat-roof near Furman Park and a newer two-story off Imperial Highway. Call (833) 467-4846 for a free estimate built around your specific roof, not a catalog price.
Why Tilecraft Roofing Is Downey’s Preferred Roof Replacement Company
Downey homeowners tend to ask harder questions than most. That’s fair. A roof here is often on its second or third life, and people want to know whether they’re getting another ten years or another twenty-five. We answer with specifics: material warranty terms, decking condition, slope correction, flashing detail. Ruben Castellano has built the crew around that standard. Every scope we write for a Downey job starts with the roof itself, not a sales target.
We install products from seven major manufacturers, which means our recommendation isn’t limited by whatever shingle we happen to stock. If an Owens Corning Duration suits a gable roof off Lakewood Boulevard better than a CertainTeed product would, that’s what we quote. If a flat roof needs a modified bitumen cap sheet instead of a recoat, we say so. The breadth matters in Downey because the housing stock is not uniform: you have postwar custom homes, tract ranches, and the occasional modern rebuild, each asking for something different.
Our crews are in Downey most weeks. Response time is typically same-week for estimates, and we schedule replacements around your calendar, not ours. We know the permit requirements in Downey and the inspection workflow, which keeps the job moving without surprises at the end.
Styles & brands we work with






Roof Replacement Contractor in Downey
A Roof Replacement Contractor in Downey is handling more than tear-off and re-roof. On this housing stock, the job often starts with roof decking that has been baked for sixty years, flashing that was never properly integrated at the parapet, and drainage that was marginal from the day the house was built. Downey’s 1940s through 1960s homes frequently have low-slope roofs with ponding problems, and a replacement that ignores slope is a replacement that leaks again in five years. A full replacement on a typical Downey single-story ranch runs $12,000 to $20,000 when decking repair and drainage correction are included.
What Full Replacement Involves Here
We tear off to decking, inspect what’s underneath, and replace damaged sheathing before the new roof goes on. On flat and low-slope sections, we check for positive drainage and address it. On gable and hip sections, we re-flash everything: chimney, pipes, valleys, roof-to-wall transitions. The old roof tells us a lot about what the new one needs.
When Downey Homeowners Need Replacement
Fifteen to twenty-five years is the typical replacement cycle for this climate. UV, thermal cycling, and a few winter rainstorms each year take their toll. If you’re recoating a flat roof every three or four years and still finding leaks, the roof is telling you something. That’s the point where a real replacement makes more sense than another band-aid.
Asphalt Shingle Roof Replacement in Downey
Asphalt Shingle Roof Replacement in Downey is most common on the gable and hip portions of mid-century homes, the parts with actual slope. A standard architectural shingle replacement on a 1,400 to 1,800 square foot Downey house runs $9,500 to $15,500, including a full tear-off and new underlayment. This is the workhorse option for most of the tract homes across 90240 and 90241 because it balances cost, longevity, and curb appeal for the typical ranch or postwar custom build.
Architectural Shingle Options
We install architectural shingles from multiple brands, which lets us match your roofline and budget rather than forcing one product. CertainTeed and Owens Corning make dependable architectural lines that survive Downey’s UV load well. IKO and Atlas have solid options too, and the choice comes down to weight, wind rating, and the aesthetic you want on a house that’s lived in this neighborhood for six decades.
Decking and Underlayment
On older Downey homes, the decking is often the unknown variable. Plank decking from the 1950s can be solid, or it can be sun-damaged and delaminating at the edges. We quote decking replacement per sheet when needed and show you exactly what we found before the new shingles go down. Written pricing covers it, so there’s no open-ended change order after tear-off.
Trusted Brands We Service in Downey
Seven leading brands, one crew. We’re authorized to install products from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For most Downey homes, that means choosing between a GAF Timberline for longevity or an Owens Corning Duration for its wind performance and clean profile. For the few Downey homes with Spanish or Mediterranean styling, Boral tile is a genuine option, not a specialty we have to sub out. We keep common replacement materials and trim in supply for Downey jobs, so an architectural shingle order doesn’t stall waiting on a distributor.
See the difference
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After
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After
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AfterCommon Roof Replacement Problems We See in Downey Homes
- Ponding water at parapet flashing and roof drains. Original flat roofs from the 1940s to 1960s were built with minimal slope. When re-roofs simply layer new material over the old without correcting drainage, water sits against flashing and finds its way in. A proper replacement adds taper or crickets to move water off the roof.
- Sun-degraded seams on built-up roofs. UV breaks down the asphalt in seam reinforcement over 15 to 25 years. Leaks start at laps and flashings, not in the open field. Downey’s intense sun makes this the single most common failure mode on flat sections.
- Recoat after recoat hiding decking rot. We frequently see flat roofs that have been recoated three or four times. The surface looks fine until you walk it and find spongy decking underneath. The old coating seals moisture in, and the decking rots from below.
- Improper sequencing on high-end replacements. When custom flashing or specialty shingles have long lead times, some crews tear off the old roof before the materials arrive. The house sits exposed. We order first, schedule second, and tear off only when everything is on site or scheduled to arrive the morning of the job.
Pricing for Roof Replacement in Downey, CA
Here are honest numbers for the Downey market. A standard architectural shingle replacement on a 1,200 to 1,600 square foot home runs $9,500 to $15,500. Flat and low-slope re-roofs with modified bitumen run $11,000 to $18,000, and correcting ponding drainage adds $1,500 to $4,500 depending on how much tapered insulation is needed. Premium tile systems start around $25,000 and go up from there. Decking replacement adds $75 to $110 per sheet when damage is found after tear-off. Every quote we write for Downey is a fixed price in writing, before we order materials. Call (833) 467-4846 and we’ll measure, inspect, and give you the real number.
We Also Serve Cities Near Downey
Beyond Downey, our crews cover Downey‘s surrounding communities, including Bell Gardens, Santa Fe Springs, Paramount, and Pico Rivera. If you’re a few blocks over the city line in any direction, the same crew and the same fixed pricing apply. Our Roof Replacement process starts with an inspection, not a sales pitch.
Serving Downey, CA — Our Local Coverage Area
We’re based in the Downey 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 Downey
We address it structurally, not cosmetically. On a 1958 flat-roof home near Furman Park, we replaced a sun-degraded built-up roof that had been recoated multiple times, and the parapet flashing was the main leak point. We installed a tapered insulation system to eliminate ponding, new flashing at all penetrations, and a GAF modified bitumen cap sheet with a 20-year warranty. The homeowner chose a light-colored cap to reduce heat gain, and we fixed the written price before ordering the long-lead flashing metal. If your flat roof ponds after rain, the fix is in the slope, not the surface. Call (833) 467-4846 and we’ll assess what your roof actually needs.
For sloped sections, architectural asphalt shingles from manufacturers like GAF, Owens Corning, or CertainTeed handle Downey’s UV load well and come with solid warranty structures. For flat and low-slope sections, modified bitumen with a light-colored cap sheet reflects heat and stands up to ponding better than built-up roofs from decades past. Tapered insulation addresses the drainage issue, which matters more than the membrane choice on most Downey homes from the 1940s and 1950s. The material has to match the roof’s slope and drainage, not just the budget. Call (833) 467-4846 for a material recommendation based on your specific roof.
Two to four working days for standard tear-off and re-roof once materials arrive. The lead time before work starts is what varies. Custom flashing, specialty shingles, or tile can take two to six weeks to arrive. We don’t tear off your old roof until the new materials are on site or scheduled to arrive that morning, so you’re never left exposed. Fixed pricing is locked before we order anything, so the schedule and the cost are set together. Call (833) 467-4846 to get a timeline for your specific roof.
Yes. If you’re working with a designer on a custom home or a high-end remodel in Downey, we coordinate directly on material selection, lead times, and installation sequencing. Custom flashing details and architectural shingle or tile choices need to be settled early, before the roofline gets locked in. We’re comfortable reading architectural plans and flagging detail questions before they become schedule problems. Ruben Castellano is the point of contact on these projects, and the written price covers exactly what’s specified. Call (833) 467-4846 to discuss your project.
A square is 100 square feet of roof area. Roofing quotes are typically priced per square, because it’s the standard unit for ordering materials and calculating labor. When we measure a Downey home, we measure the actual roof surface, not the home’s square footage. A 1,500 square foot ranch with a low pitch may have 1,700 square feet of roof surface, or 17 squares. That’s why two homes of the same floor plan can get different roof quotes. We show the square count on every quote. Call (833) 467-4846 for a measurement and exact quote for your home.
Written by Ruben Castellano, Owner at Tilecraft Roofing, serving Downey and surrounding communities.