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 Orange
Roof replacement in Orange typically costs between $11,000 and $28,000 for a standard asphalt shingle home, and between $28,000 and $60,000+ when the job involves historic clay tile re-lay or complex steep-pitch work in the Old Towne district. Most full replacements here take 3 to 7 working days once materials arrive. Call (866) 850-2496 for a written, line-item estimate specific to your roof.

We work all over Orange, from the bungalows around the Plaza to the 1950s tracts near El Modena and the newer infill off Chapman Avenue. We know which roofs here were built for the Santa Ana winds and which ones were not. That local read matters more than most homeowners expect, and it is why we walk every roof before we quote it.
Key Takeaways
- Roof replacement in Orange runs $11,000 – $28,000 for asphalt shingles; historic tile re-lays run higher.
- Old Towne clay tile roofs usually fail underneath the tile, not in the tile itself. The underlayment gives out first.
- Coastal-spec fasteners and flashing cost more up front but outlast inland-spec hardware by a decade or more.
- We re-lay original clay tile when possible instead of scrapping it. You keep the historic profile, and it costs less than full tile replacement.
- Our Roof Replacement crew handles shingle, tile re-lay, flat roof, and new construction work across Orange.
Styles & brands we work with






Why Windmill Roof Repair Is Orange’s Preferred Roof Replacement Company
Ruben Ochoa leads our crew, and he has spent years reading how Orange roofs age differently than the ones ten miles west. That matters. A roof in Orange gets hot, dry summers that bake underlayment, then Santa Ana wind bursts that find every loose flashing point. Ruben trains the crew to check what those conditions actually do, not just what the manufacturer’s spec sheet says should happen.
We hold a multi-brand materials lineup across GAF, CertainTeed, Tamko, and Boral, which means we are not tied to one shingle brand’s limited color line when you need a match. For historic homes near Old Towne, that flexibility is the difference between a roof that reads right against the neighborhood and one that looks like a patch job.
Our Orange customers come back to us because we say what the roof needs and we say what it does not. When a targeted repair is the right call, that is what we recommend. When the decking and underlayment are gone, we say so plainly and show you why on the roof itself. See it before you sign anything. That is how we work.
We also offer standalone roof inspections for Orange homeowners who want an honest read on their roof’s remaining life before they commit to anything. No obligation to hire us after.
Asphalt Shingle Roof Replacement in Orange
Asphalt Shingle Roof Replacement in Orange is the most common full replacement we do, and most of it happens in the 1950s-1970s tracts east and north of the Plaza, where original composition shingles are at or beyond their useful life. The job involves tearing off the old shingle layer, checking and often replacing sections of plywood or OSB decking, installing new underlayment, and laying architectural or three-tab shingles according to manufacturer spec. Most Orange homes run $11,000 to $28,000 depending on square footage, pitch, and decking condition.
When Shingle Replacement Makes Sense Here
Orange’s hot, dry summers accelerate granule loss on aging shingles. If you see granules collecting in your gutters after a windy stretch, or curling at the shingle edges, the shingle layer is degrading. By the time multiple tabs are lifting, you are usually past the repair point and into replacement territory.
Santa Ana wind events also expose weak points that calm weather hides. We see shingles lift along the rake edge first, because that is where the wind gets under the lap. A roof that survived last fall’s Santa Anas may not survive the next one, and the failure is usually wet decking under the shingle layer, not just the shingle itself.
Architectural vs. Three-Tab in Orange
Most Orange homeowners choose architectural shingles now. They carry a higher wind rating, which matters in a city that gets genuine Santa Ana bursts. They also give a dimensional look that suits the 1960s ranch and 1970s split-level housing stock better than flat three-tab.
We stock architectural shingles from GAF, CertainTeed, and Tamko in the colors most common across Orange tracts, so matching an existing roof or a neighbor’s roofline is straightforward. Three-tab still has a place on detached garages or accessory structures where budget matters more than wind performance.
New Roof Installation in Orange
New Roof Installation in Orange covers two situations: a full tear-off and rebuild on an existing home, or a brand-new roof on a new build or major addition. For existing homes, new installation means removing everything down to the rafters where needed, replacing decking, laying new underlayment, and installing new shingles, tile, or flat membrane. For new construction, it means building the roof assembly from the frame up. Orange new roof installs typically run $14,000 to $32,000 for shingle roofs, with tile or flat systems running higher.
New Construction Around Chapman and Beyond
Orange has steady infill construction near Chapman University and along the older corridors, and those new builds need roofs spec’d for local conditions on day one. We install new construction roofs with Class A fire-rated assemblies, which matters in the dry, fire-hardening parts of the city near the hills and open space edges.
Builders working in Orange call us because we can source multiple brands without pushing any single one. That keeps the spec flexible when a buyer or an architect wants a specific CertainTeed or Boral line, or when the budget shifts mid-plan.
Flat Roofing on Orange Additions
Many Orange homes have flat or low-slope roof sections over additions, garages, or patio covers. These fail differently than pitched shingle roofs. Ponding water after winter rain, dried-out membrane from summer heat, and seams that open under thermal cycling are the common culprits.

We install flat roof systems on Orange homes and check them as part of every full replacement estimate. A flat section that looks fine from the ground is often the first leak point in the house.
Trusted Brands We Service in Orange
We install and service shingle and tile systems from Tamko, Boral, GAF, and CertainTeed, and we carry a broad enough materials lineup that we can usually match what your Orange home already wears. For an Old Towne Spanish Colonial with a specific tile profile, or a mid-century ranch with a faded GAF color line, that matters. We keep common flashing, underlayment, and fastener stock ready for Orange jobs, and local material suppliers off the 55 and 22 corridors let us move quickly when a roof is open and the weather window is short.
Seven brands, one crew. The right material for your roof, not ours.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Orange Homes
- Underlayment failure under original clay tile: The tile looks intact from the street, but the roof leaks. After decades of foot traffic and Orange heat, the underlayment has cracked and dried, and the only real fix is to remove the tile, re-lay new underlayment, and reset the tile. We do this regularly in Old Towne and around the Plaza.
- Rusted fasteners and corroded flashing from inland-spec hardware: A roof that was “good enough” for a drier inland spec develops rusted nails and failing drip edge within a decade here. Salt air reaches further than people think, and the cheap spec fails early. We specify stainless or hot-dip fasteners and marine-grade flashing on every Orange replacement.
- Steep-pitch historic roofs re-roofed without preservation review: Craftsman and Victorian roofs in the historic core have steep pitches and distinctive profiles. When someone tears off and re-roofs without matching the original profile or getting clarity on preservation review, the result is permit trouble and a roof that reads wrong against the street.
- Santa Ana wind damage on aging shingle roofs: Wind events find loose tabs and lift them, letting rain into the decking. By the time a shingle roof is visibly lifting, the decking underneath often has water damage that a simple re-shingle will not fix.
Pricing for Roof Replacement in Orange, CA
A standard asphalt shingle roof replacement in Orange runs $11,000 to $28,000 for most single-family homes. The spread comes from square footage, roof pitch, how many layers are coming off, and how much decking needs to be replaced. New construction shingle roofs run $14,000 to $32,000 depending on complexity.
Historic clay tile re-lay work, where we salvage and reset original tile over new underlayment, runs $28,000 to $60,000+ depending on tile condition and the scope of the preservation review. The coastal-spec version of any Orange roof replacement, using stainless fasteners and marine-grade flashing, runs roughly 8-15% more than the inland-spec version that uses standard hardware. The cheaper spec looks identical from the street and fails a decade earlier. That math works against you.
Every estimate we give is a written line-item quote. No change orders unless you approve them first. Call (866) 850-2496 to schedule a free estimate.
We Also Serve Cities Near Orange
We regularly work in Orange and the neighboring communities of Villa Park, North Tustin, Tustin, and Anaheim. If you are in any of those areas and need a roof replacement estimate, call us. We are familiar with the different housing stock and local conditions in each one, from the hillside homes in Villa Park to the older tracts in Tustin.
Serving Orange, CA — Our Local Coverage Area
We’re based in the Orange 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 Orange
Because the underlayment beneath the tile has failed, not the tile itself. The tile you see from the street is still doing its job. What has failed is the waterproof layer underneath it, which cracks and dries out after decades of Orange heat and foot traffic from repeated repairs and inspections. The fix is to remove the tile carefully, re-lay new underlayment, and reset the original tile on top with stainless fasteners. Call (866) 850-2496 and we can tell you what is really going on up there.
Yes, if your home sits within the National Register-listed Old Towne historic district, roof replacement work may need to run through the city’s historic preservation review process, and the replacement often must match the original roofing profile and material. That means matching clay tile profiles, not swapping in off-the-shelf asphalt. We have done this work on Spanish Colonial Revivals and Craftsmans around the Plaza, and we handle the review paperwork as part of the job. Call (866) 850-2496 and we can walk you through what applies to your address.
The coastal-spec version, using stainless or hot-dip fasteners and marine-grade flashing, runs roughly 8-15% more than the same roof with standard inland-spec hardware. That is the honest gap. The inland-spec version fails within a decade in Orange’s salt-influenced air, and then you are paying for a second replacement. The coastal spec outlasts it by a full roof lifetime. We quote both when asked, but we would not put the cheap spec on an Orange home. Call (866) 850-2496 for exact numbers on your roof.
Clay tile, when the underlayment is renewed, handles Orange heat better than almost anything else. Architectural asphalt shingles with high wind ratings perform well on the tract homes. For flat sections, a well-sealed membrane with proper drainage lasts longest. The material is only half the story. The fasteners, flashing, and underlayment are what actually determine whether the roof holds up, and those are where Orange conditions do their damage first. Call (866) 850-2496 and we will tell you what your specific roof needs.
Line them up side by side and look for three things: the underlayment specified, the fastener and flashing materials, and whether the decking inspection is included. Two bids for the same shingle brand can be a decade apart in lifespan based on those three lines. If one bid is meaningfully cheaper, ask which of those three it is cutting. Then call (866) 850-2496 and we will give you a written quote you can compare line by line against anyone else’s.
Contact Us for a Free Roof Replacement Estimate in Orange
If your Orange roof is at the end of its life, or you are not sure and want an honest read, call us. We will walk the roof, show you what we find, and give you a written line-item estimate. Repair when you can, replace when you must. If replacement is the right call, we will tell you why, show you the numbers, and let you decide without pressure.
Call (866) 850-2496 to schedule your free estimate today.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Orange and surrounding Orange County communities.