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 Tustin
Tustin roof replacement runs roughly $12,000 to $28,000 for a standard asphalt shingle job on a 1,500 to 2,200 square foot home, while tile re-roofs in Tustin Ranch typically land between $22,000 and $45,000 depending on whether the existing tile gets reused. The price spread depends on what we find once the old roof comes off, and in Tustin, that discovery process matters more than in most Orange County cities. Our Roof Replacement team has worked neighborhoods across Tustin for years, from the tree-lined streets of Old Town to the HOA-governed tracts of Tustin Ranch, so we know what lurks beneath both worlds. Call (866) 850-2496 for a free estimate, and we’ll come out within a few days to walk the roof with you.
Why Windmill Roof Repair Is Tustin’s Preferred Roof Replacement Company
We work across seven shingle brands: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters in Tustin because a 1927 bungalow in 92780 needs something different than a 1998 tile roof in 92782, and we’re not tied to any single manufacturer. Ruben Ochoa, our owner, built the company around material-agnostic advising: the right material for your roof, not ours. We offer standalone roof inspections in Tustin too, so you can see it before you sign anything and get an objective picture without pressure.
Our local reputation in Tustin comes from honesty about scope. We repair when we can and replace when we must. Tustin customers routinely tell us they appreciate that a targeted repair or underlayment re-felt got them another decade instead of a full tear-off sold to them by a commission-driven crew. That’s the difference seven brands and one crew makes.
Styles & brands we work with
Flat Roof Replacement in Tustin
Flat Roof Replacement in Tustin’s older neighborhoods is a different job than the pitched roofs dominating Tustin Ranch, and it’s common on the 1920s through 1950s homes in 92780 as well as on additions and carports. Tustin flat roofs typically run $9,000 to $18,000 depending on square footage, the number of penetrations, and whether we need to replace the roof decking beneath the membrane. Hot inland sun is the primary enemy here: it breaks down the membrane’s seams and flashing before it produces visible leaks, so by the time water shows up inside, the material has been failing for a while.
Built-Up and Modified Bitumen Work
Many Old Town Tustin additions used built-up roofing layers that have now outlived their useful life. We strip the old layers, inspect the decking, and install new membrane with proper slope correction if needed. We also replace the flashed penetrations with UV-resistant materials suited to Tustin’s dry heat.
Single-Ply Membrane Replacement
For larger flat sections on mid-century Tustin homes, we often recommend single-ply membranes like TPO or PVC, which handle Orange County sun better than older asphalt-based systems. The job includes seam welding, edge metal replacement, and drain inspection, and we pull permits when required by the City of Tustin.
Roof Installation in Tustin
Roof Installation in Tustin covers both full tear-offs on existing homes and new construction work, including the communities under development around Tustin Legacy and the edges of Tustin Ranch. A full roof installation on a new Tustin build typically runs $14,000 to $32,000 for asphalt or architectural shingles, while tile installation on new construction starts around $25,000 and climbs from there. The key variable is what the structure actually needs: new construction gives us a clean deck, while a re-roof means uncovering whatever the original builder left behind, and that’s where Tustin gets tricky.
New Construction Roofing
On new Tustin construction, we work from the plans and coordinate with the general contractor on underlayment spec, ventilation, and the material schedule. We stock local parts for Tustin projects, including high-temp underlayment and ridge components, so the order doesn’t stall waiting on a truck from the Inland Empire.
Full Tear-Off and Replacement
When a roof comes off a 1980s Tustin Ranch home, we often find the original builder underlayment has given up entirely. That’s normal here. We replace it with a high-temp synthetic underlayment or ice-and-water shield in the valleys, then re-set the tile or install new shingles depending on what the roof needs and what the HOA will sign off on.
Trusted Brands We Service in Tustin
We service and install GAF, CertainTeed, Owens Corning, and IKO systems across Tustin, along with Atlas, Tamko, and Boral when the project calls for them. Because we carry multiple brands and keep common Tustin parts in rotation, we can often complete a re-roof without a multi-week material delay. When your roof has a specific profile or color requirement, especially in an HOA community with architectural review, having seven brands to pull from means you’re not stuck with one manufacturer’s limited palette. The right material for your roof, not ours.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Tustin Homes
- UV-degraded underlayment under intact tile: The sun in Tustin bakes the felt beneath 25-year-old Tustin Ranch tile until it tears and leaks, even though the roof looks fine from the street. We see this on nearly every 1990s tile roof we open in 92782.
- HOA-mandated material mismatches: In Tustin Ranch, choosing a different underlayment or flashing without association approval can stall the job and force costly rework. We handle the architectural review paperwork before we order materials.
- Old Town bungalow surprises: Opening up a 1920s to 1950s roof in 92780 often reveals outdated wiring, undersized framing, or failed waterproofing that triggers permit-driven code upgrades, pushing the quote beyond the original scope. We price these honestly and document what we find.
- Flashing seal failure at chimneys and skylights: The dry Santa Ana wind cycle and intense summer UV work on flashing seals until they crack and separate. It’s the most common leak point on Tustin homes under 15 years old.
Pricing for Roof Replacement in Tustin, CA
A standard architectural asphalt shingle roof replacement in Tustin runs $12,000 to $28,000. Tile re-roofs where the existing tile gets reused run $22,000 to $40,000. Full new tile installations start around $25,000 and can exceed $50,000 on larger Tustin Ranch homes. Flat roof replacement falls between $9,000 and $18,000. What changes the number is what we find when the old roof comes off, and in 92780 particularly, we often find framing or waterproofing issues that need to be addressed to pass a Tustin building inspection. We write those findings into a written line-item change before we touch anything. Call (866) 850-2496 to schedule a free estimate, and we’ll give you an exact number, not a guess.
We Also Serve Cities Near Tustin
If you’re outside Tustin proper, we handle roof replacement in North Tustin, Santa Ana, Irvine, and Orange as well. Many Tustin Ranch homeowners have family or rental properties in those areas, so our service area covers the whole central Orange County corridor. Call (866) 850-2496 if you’re not sure whether we cover your address.
Serving Tustin, CA — Our Local Coverage Area
We’re based in the Tustin 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 Tustin
The underlayment beneath the tile has failed. Tustin’s hot inland sun and near-zero rainfall degrade the felt under the tile long before the tile itself shows wear, which is why a 1990s Tustin Ranch roof can leak while the tiles still look structurally sound. The fix is a re-felt under the existing tile, not a full replacement. Call (866) 850-2496 to have us inspect it and confirm what’s failed.
Yes. We handle HOA architectural review on Tustin Ranch roof replacements as a standard part of the job. That means submitting material, color, and underlayment specs before we order anything, so the association’s approval doesn’t become a delay. We’ve done enough 92782 work to know what most Tustin Ranch HOAs will accept and what they’ll push back on. Call (866) 850-2496 and we’ll walk you through the approval process for your specific community.
The most common are outdated wiring nailed to the roof deck, undersized or water-damaged framing, and failed original waterproofing around chimneys and dormers in 1920s to 1950s Tustin homes. Tustin’s building code requires addressing these when the roof is open, which is why a permit pull on an Old Town tear-off almost always reveals scope beyond the shingle replacement itself. We document everything, show you photos, and get written approval before we expand the job. Call (866) 850-2496 to schedule an inspection and we’ll give you a realistic picture of what your roof will need.
We pull permits for every Tustin roof replacement where the City of Tustin requires one, and we schedule inspections with the building department. When code upgrades are triggered, such as adding proper roof-to-wall flashing, correcting ventilation, or upgrading the roof deck, we write those into a line-item change order and get your approval before moving forward. The permit history also protects you when you sell the home. Call (866) 850-2496 to discuss what a permit would mean for your specific roof.
In 92780, we’re typically tearing off old composition or wood shingle on pre-war bungalows and mid-century ranches, and we’re dealing with framing corrections, permit-triggered code upgrades, and sometimes compromised decking. In 92782, we’re usually re-felting under existing tile on HOA-governed tract homes, solving UV-driven underlayment failure while keeping the original tile profile intact. The 92782 job requires HOA approval and careful material matching; the 92780 job requires structural honesty and a willingness to show the homeowner what’s behind the shingles. We do both. Call (866) 850-2496 for a free estimate on either.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Tustin since the company’s founding.