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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 Santa Ana
Roof replacement in Santa Ana usually costs between $9,500 and $19,000 for a typical low-slope or flat bungalow, with larger two-story homes and clay tile work running higher. Most jobs take 3 to 7 days once materials land, depending on what we find under the old roof. We know the older grids off Main Street, the mid-century tracts near Santa Ana College, and the stucco bungalows around Flower Street because we open them up every week. Call (833) 467-4846 to schedule a free inspection and get a written, line-item quote.
Why Tilecraft Roofing Is Santa Ana’s Preferred Roof Replacement Company
We work across the full Roof Replacement spectrum, but what sets us apart in Santa Ana is that we look before we quote. Ruben Castellano leads our crews on the same principle on every house, whether it’s a 1920s bungalow near Santiago Park or a 1960s tract home north of Edinger: open the roof, inspect the decking, check the flashing, then write a scope that matches what’s actually there. We’re one of the few local operations authorized to install products from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so the material recommendation comes from what fits your roof and budget, not from what we happen to stock.
Santa Ana homeowners consistently tell us the same thing after the first visit: nobody else went up on the roof before quoting. That matters here because the housing stock is older, the lots are tight, and the flat assemblies hide problems that a drive-by estimate can’t catch. Our customers in the Washington Square and Heninger Park neighborhoods have seen us stage on narrow side yards, coordinate tear-off with shared parapet walls, and keep the job moving without blocking the alley or the neighbor’s driveway.
We’re a phone call away for any Santa Ana address. Estimates are free, quotes are written, and every inspection is a standalone service. If the roof can be repaired instead of replaced, we’ll tell you that and quote the repair. If replacement is genuinely warranted, you’ll know exactly why, with photos.
Styles & brands we work with






Reroofing in Santa Ana
Reroofing in Santa Ana means tearing off the old assembly and laying new material, and on the flat and low-slope homes that dominate the older grid, that’s usually torch-down, modified bitumen, or a membrane system, not shingles. A homeowner needs this when the existing roof has ponding that won’t drain, multiple active leaks, or membrane that’s dried out and lifting at the seams. We often find two or three old layers under the top surface, rotted decking where water has been trapped, and flashing that gave up years ago. Typical reroofing runs $9,500 to $16,000 on a single-story flat-roof bungalow in Santa Ana, though the number moves with square footage, decking condition, and whether a permit requires code upgrades.
Decking and substrate first
Before any new membrane goes down, we inspect the decking and replace what’s rotted or delaminated. On older Santa Ana homes, the shallow attic hides this damage until we lift the old roof. Replacing bad decking adds to the quote but skips the bigger cost of a failed new roof a year later.
Moisture and drainage correction
Ponding is the main reason reroofs fail early in Santa Ana. We correct low spots, add or reset drains, and re-pitch where the structure allows so water moves off the parapet instead of sitting against it. A membrane is only as good as the drainage under it.
Flat Roof Replacement in Santa Ana
Flat Roof Replacement in Santa Ana is our most common full-replacement job because so much of the city’s core housing stock, roughly the 1910s through the 1950s, was built with low-slope roofs and parapet walls. Flat roof replacement involves tearing off the old material, repairing or replacing the deck underlying it, installing new underlayment and membrane, and rebuilding the flashing where the roof meets the parapets, vents, and the neighbor’s shared wall. Plan on $10,000 to $19,000 for a typical flat roof in Santa Ana. That range reflects square footage, whether we’re replacing decking, and the degree of flashing work around the perimeter.
Working tight side yards and shared walls
On the older bungalows near downtown Santa Ana, the parapet-to-neighbor gap is often just inches wide. We stage materials in whatever side yard exists, sometimes only a few feet, and sequence tear-off so debris never ends up against the neighbor’s stucco. It’s a different job than the suburban walks common in the hills, and it’s one we do regularly.
When repair isn’t enough
Sometimes a flat roof has failed in one area but the rest is sound, and we’ll quote a repair instead of a full replacement. We recommend replacement when the membrane is cracked throughout, there are multiple active leaks, or the decking has widespread water damage. Repair when repair is right, replace when it’s not.
Trusted Brands We Service in Santa Ana
We install and service materials from seven leading manufacturers, including CertainTeed, Owens Corning, IKO, and Atlas, and we can source any of them quickly for Santa Ana jobs. That means you’re not stuck with whatever brand a contractor happens to have in the yard. CertainTeed membranes hold up well against Santa Ana’s wet/dry cycle; Owens Corning and Atlas offer strong shingle lines for the pitched roofs on newer east-side infill; IKO is a solid mid-range choice when budget drives the decision. We don’t push one brand. We write the quote around the roof, the budget, and the look you want. Seven leading brands, one crew.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Santa Ana Homes
- Ponding against parapets on flat bungalows. The marine layer dumps morning dew and fog moisture onto low-slope roofs, and when drainage is poor, that water sits against parapet flashing and gets into the decking. By the time you see the ceiling stain, the deck is often already soft.
- Wind-lifted membranes after Santa Ana wind events. Dry offshore gusts get under the edges of older torch-down and modified bitumen roofs, especially where flashing at shared walls was never tied in properly. We see lifted laps and torn corners after every strong wind season.
- Layered re-roofs over old roofs. Many Santa Ana homes on dense lots have had two or three roofs laid over the original, with detached garages and additions flashed at odd angles. Each layer traps moisture, and each transition point is a potential leak.
- Rusted flashing at shared parapet walls. On pre-1960s construction, parapets often sit just inches from the neighbor’s wall. The flashing between them corrodes, and replacement requires working from a shared line, not an open perimeter.
Pricing for Roof Replacement in Santa Ana, CA
A standard asphalt shingle reroof on a pitched Santa Ana home runs $9,500 to $14,500. Flat roof replacement spans $10,000 to $19,000 depending on decking damage and perimeter flashing. Clay tile and premium systems start higher and climb with the material. The big variables are square footage, how many layers we’re tearing off, decking replacement, and whether the permit triggers code upgrades on an older home. We write every quote line-item by line-item. The quote you approve is the price, unless we find hidden damage, then we stop, show you photos, and get written sign-off before any change order. Call (833) 467-4846 for a free inspection and a real number for your roof.
We Also Serve Cities Near Santa Ana
If you’re in Tustin, North Tustin, Fountain Valley, or Orange, we cover those areas as part of our Santa Ana service range. The housing stock changes once you leave the flat-roof grid, and we adjust accordingly, but the same inspection-first process applies. Call us and we’ll tell you whether repair or replacement makes sense.
Serving Santa Ana, CA — Our Local Coverage Area
We’re based in the Santa Ana 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 Santa Ana
Because the shallow attic hides damage. We pull the membrane and find decking that’s been soaking for years under ponding water, rusted flashing at parapets, and old layers of roofing that were never removed. We inspect first so you know the full scope before the contract is signed, and we write allowances into the quote for exactly these conditions. Call (833) 467-4846 to get that inspection scheduled.
We sequence the work around the shared wall. Tear-off starts on the open side, staging goes in whatever side yard exists, and every piece comes down so it doesn’t brush the neighbor’s stucco. Where the flashing is rusted through, we rebuild it from the shared line with the neighbor aware and the schedule set in advance. It’s standard work for us on Santa Ana’s older grid.
Yes. The morning marine layer deposits moisture on low-slope assemblies, and if drainage is poor, that moisture sits against parapets and under the membrane edges. Combined with dry Santa Ana winds that lift the laps, the wet/dry cycle breaks down flat roofs faster here than in drier inland cities. Our material choices and drainage corrections account for it directly.
A roofing square is 100 square feet of roof area. If your roof is 1,700 square feet, that’s 17 squares. The quote will include material and labor per square, plus line items for tear-off, decking, flashing, vents, and disposal. We price per square because it’s the honest way to compare material costs across CertainTeed, Owens Corning, IKO, and other brands. Call us and we’ll walk you through the numbers.
Yes. When a permit is pulled on a pre-1960 home, the city may require upgrades like additional ventilation, seismic strapping, or drainage corrections as part of the scope. We identify those requirements during the inspection and write them into the quote so the permit doesn’t surprise you mid-job. We pull the permit, we do the work, and we pass the inspection.
Need a roof replacement in Santa Ana? Call (833) 467-4846 for a free inspection and a written quote. We look before we quote, and we’ll tell you honestly whether you need reroofing, flat roof replacement, or just a repair.
Written by Ruben Castellano, Owner at Tilecraft Roofing, serving Santa Ana and surrounding Orange County.