Architectural shingles
Metal roofing
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 Santa Ana
Roof replacement in Santa Ana typically runs $9,500 – $18,500 for a standard single-story bungalow with asphalt shingles, and $14,000 – $26,000 for larger two-story or low-slope homes. Most full tear-offs take 2 – 5 working days once materials land on site. If you’re calling from Floral Park, French Park, or anywhere in the 92701 or 92703 corridors, we’ll walk the roof, measure it, and give you a written line-item quote before anything gets torn off. Call (866) 860-9404 to schedule a free inspection.
Willowbrook Roof Repair has worked Santa Ana’s oldest streets long enough to know that a roof here isn’t like a roof in the tract cities around us. Older bungalows hide surprises under the shingles. Mixed-age additions complicate flashing. We scope for that before we quote, so the number you get is the number you can build a plan around.
Why Willowbrook Roof Repair Is Santa Ana’s Preferred Roof Replacement Company
We work across seven major roofing brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That coverage means our recommendation for your Santa Ana home follows what your roof actually needs to handle, not what we happen to stock. A 1920s low-slope bungalow in 92706 wants different material and underlayment than a 1980s ranch in 92703. We’ll tell you which system fits and why.
Our crews know the neighborhoods. We’ve torn off roofs off Main Street, worked the Washington Square area, and replaced decking in homes near the Santa Ana Zoo. That local pattern recognition matters, because Santa Ana’s oldest housing stock hides real structural variation under the shingles. You don’t want a crew learning that on your roof.
Nate Corrigan leads our Santa Ana work and walks every replacement site personally before the quote is finalized. Roofing is the only trade we do. Inspections, repairs, tear-offs, full replacements, that’s the whole scope of our business. When you call, you’re talking to someone whose entire focus is the roof over your head.
Styles & brands we work with






Roof Installation in Santa Ana
Roof Installation in Santa Ana means a full system build from the deck up, not just shingles nailed over what’s already there. For older bungalows in 92701 and 92706, that often starts with decking repair, because original board-and-batten underlayment and skip-sheathing are common in this housing stock. A typical roof installation in Santa Ana runs $10,000 – $19,000 depending on square footage, pitch, and how much decking needs replacement once tear-off exposes what’s underneath.
New Construction Roofing
New construction on infill lots around central Santa Ana has its own demands. City setback and design standards affect roof form, and we coordinate decking, underlayment, and shingle install so the finished roof matches the architectural expectations of older neighborhoods. A new construction roof in Santa Ana typically lands between $12,000 and $22,000 for a single-family build.
Roof Decking Replacement
Skip-sheathing doesn’t always need full replacement, but soft or rotted board-and-batten sections do. We quote decking repair as a per-sheet line item, so you see exactly what’s covered before tear-off starts. On older Santa Ana homes, it’s normal for 10 – 25% of decking to need repair, and we build that expectation into the estimate rather than surprising you mid-project.
Roof Replacement Contractor in Santa Ana
A Roof Replacement Contractor in Santa Ana has to be judgment-driven, not just production-driven, and that distinction shows up most in the older corridors west and north of downtown. We’re the contractor that verifies decking condition, checks flashing at every add-on seam, and corrects ventilation before we lay down new shingles. Full replacement in Santa Ana ranges from $9,500 to $18,500 for standard composition shingle work, and $14,000 to $26,000 when low-slope details, structural sheathing, or steep access complicate the job.
Asphalt Shingles
Asphalt shingles remain the most common replacement material on Santa Ana’s single-story bungalows because they handle the semi-arid heat and wind uplift well when installed correctly. We stock architectural asphalt options from GAF, Owens Corning, and CertainTeed, and we find architectural profiles hold up longer on Santa Ana’s low-pitch roofs than three-tab did historically. Expect $9,500 – $14,500 for a typical 1,200 – 1,600 square foot asphalt replacement.
Flat Roofing
Flat and low-slope roofs are common on mid-century additions and rear extensions throughout Santa Ana, particularly in the 92701 and 92703 corridors. We install and service flat roofing systems with proper taper, drainage, and UV-resistant membrane to handle our long dry season and occasional El Niño downpours. Flat roof replacement in Santa Ana usually runs $11,000 – $19,000 for a standard residential footprint.
Trusted Brands We Service in Santa Ana
We install and service materials from IKO, Atlas, Tamko, and Boral, alongside GAF, CertainTeed, and Owens Corning. For Santa Ana homeowners, that means your recommendation is driven by what your roof needs to resist, not by a supplier contract. We keep local inventory for faster turnaround, but we’ll order specific architectural shingle profiles from Atlas or Tamko when a project calls for them, with transparent lead times. Built around your roof, not a brand deal.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Santa Ana Homes
- Soft decking under old shingles. In the older downtown and Lacy-adjacent neighborhoods, many roofs still sit on original board-and-batten underlayment and skip-sheathing. Tear-off regularly exposes rotted sections that have to be replaced before new shingles go down, and that changes the estimate.
- Flashing failures at add-on rooms. Unpermitted additions and older room extensions are common in 92701 and 92706, and the seam where an addition meets the original roof is a frequent leak point. We inspect and re-flash those transitions as a standard part of replacement.
- Wind-driven rain intrusion during Santa Ana wind and El Niño events. Santa Ana sits in a semi-arid climate, but when the Santa Ana winds pick up, wind-driven rain finds every flashing gap a roof has been hiding. Proper step flashing and valley metal matter more here than in the wetter coastal cities.
- Premature shingle failure from inadequate ventilation. Low-slope roofs with insufficient ridge vent and soffit ventilation trap heat and accelerate UV degradation of both underlayment and shingles. Repairing the ventilation path is part of the replacement scope we recommend, not an upsell.
Pricing for Roof Replacement in Santa Ana, CA
We will not give you a number that becomes a different number once work starts. A standard tear-off and re-roof on a 1,200 – 1,600 square foot Santa Ana bungalow runs $9,500 – $14,500 for architectural asphalt shingles. Larger homes, low-slope systems, widespread decking replacement, and steep or obstructed access push that to $18,000 – $26,000. For Santa Ana’s older homes, decking repair is the biggest variable, so we line-item it per sheet in the quote and show you the exact condition we found during inspection. Every estimate is free, written, and scoped from an actual roof walk, not a satellite image. Call (866) 860-9404 to get yours.
We Also Serve Cities Near Santa Ana
Willowbrook Roof Repair runs crews into Santa Ana from our base in Fountain Valley, and we also cover Tustin, North Tustin, Fountain Valley, and Orange. If you’re in one of those cities and need a Roof Replacement quote, the same inspection-first process applies. We schedule by neighborhood, and we’ll tell you exactly when you’re on the calendar.
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 original roof structure under the shingles often includes skip-sheathing or board-and-batten underlayment that has rotted or separated over 80 – 100 years, so tear-off reveals damage a satellite photo cannot show. In 92701 and 92706, it is normal for 10 – 25% of decking to need repair before new shingles can go down. We line-item decking replacement per sheet so the cost is transparent from the start. If you want a quote that accounts for this before tear-off begins, call (866) 860-9404 for a roof walk.
Many Santa Ana homes combine a 1910s – 1950s original structure with later rear additions and room extensions, so we plan flashing transitions, ventilation, and drainage paths across mismatched roof ages and pitches. That means we inspect every add-on seam before quoting, because that’s where leaks concentrate during Santa Ana wind and El Niño storms. Estimates are free, and we’ll show you what we found.
We install materials from seven manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Santa Ana’s semi-arid heat and wind uplift conditions, we commonly recommend architectural shingles from Atlas, Tamko, or Owens Corning, but the final recommendation follows your roof and budget. Call us to talk through the options, not a sales script.
We verify the existing ridge vent, soffit vent, and gable ventilation path as part of every replacement scope, because under-ventilated low-slope roofs fail faster under our UV load and heat. For wind uplift during Santa Ana wind events, we specify nailing patterns and underlayment fastening to the local exposure, not a generic spec. The result is a roof that handles both the dry heat and the wind season.
Yes, we can re-roof a home with unpermitted additions, and we’ll flag any flashing or structural issues we see at the seam between the original structure and the addition before work begins. We do not resolve building-permit questions on unpermitted space, but we will make sure the roof work itself is done correctly and to code. For an honest walkthrough before you commit, call (866) 860-9404.
If your roof is leaking, sun-baked, or simply at the end of its life, the first step is a straight answer about what’s actually happening up there. We’ll walk the roof, explain what we see, and hand you a written scope and line-item price. From a damaged decking section on a bungalow to a full replacement across seven brands, one call covers the entire job. Call (866) 860-9404 to schedule your free estimate in Santa Ana, and we’ll tell you what your roof actually needs, not what’s easiest to sell.
Written by Nate Corrigan, Owner at Willowbrook Roof Repair, serving Santa Ana and surrounding Orange County neighborhoods.