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 Whittier
Roof replacement in Whittier runs $11,500 – $23,000 for a typical single-family home, with the final number driven by square footage, material choice, and whether the home sits in the Uptown Historic District. We know Whittier’s housing stock, and we know what opening up a 1930s Spanish Colonial or a 1960s tract home actually turns up. If you’re weighing whether to repair or replace, call Ruben and the team at (866) 850-2496 for a straight answer and a free written estimate.

Why Windmill Roof Repair Is Whittier’s Preferred Roof Replacement Company
Whittier homeowners keep calling us back because we don’t lead with a sales pitch. We lead with an inspection. Ruben Ochoa built Windmill Roof Repair to be material-agnostic, meaning we work across seven shingle and tile brands and recommend what your roof actually needs, not what a preferred-vendor agreement tells us to push. That matters on older Whittier homes where the right call might be a targeted repair on a mid-century comp roof, or a full clay-tile match on an Uptown bungalow.
Our crews work throughout 90605, 90606, 90607, and 90608 every week. When a homeowner near Michigan Park or Mar Vista calls about a leak after the first winter rain, we can usually get someone out within a day or two to assess the damage. You’ll get a straight answer on whether the roof has another season in it or needs to be torn off.
We also understand what many national contractors miss: a Whitter roof replacement is never just about shingles. It’s about the decking underneath, the flashing at the valleys, and whether the historic-preservation office needs to sign off before a single tile gets ordered. That local knowledge saves you weeks and thousands in rework.
Styles & brands we work with






Roof Installation in Whittier
Roof Installation in Whittier is a full tear-off and replacement service for homes where patching no longer makes sense, whether it’s a 1920s Craftsman near Uptown or a mid-century ranch in East Whittier. We pull the old material down to the decking, inspect the framing and sheathing, replace anything rotted or undersized, then install new underlayment, flashing, and the roof system you’ve chosen. A typical tear-off and installation in Whittier runs $12,000 – $21,000 depending on the roof’s size and what we find underneath.
Historic-District Roof Installations
In Uptown Whittier, installing a roof often means matching original clay barrel tile profiles or choosing a historically-appropriate replacement. The Uptown Whittier Historic District requires a preservation review before materials can be ordered, and we handle that paperwork and approval process for you so the job doesn’t stall out.
Mid-Century and Tract Home Installations
Out in the 90606 and 90604 zip codes, most homes carry composition shingles on low-slope roofs. These jobs move faster because the material is in stock locally and the decking is usually plywood rather than spaced board sheathing. Still, we always budget for hidden rot at the eaves and around vent pipes, which is where Santa Ana-driven grit likes to collect.
Roof Replacement Contractor in Whittier
A Roof Replacement Contractor in Whittier has to be prepared for what’s beneath the surface, because nearly every home here built before 1970 has a surprise or two waiting under the old roof. We’re that contractor. When we open up a roof on a 1931 Spanish Colonial or a 1955 bungalow, we check for rotted valley decking, failed underlayment, and framing that was undersized even when it was new. A full replacement with architectural asphalt on a standard 1,600-square-foot Whittier home typically runs $13,000 – $19,000, while a clay tile replacement can push $25,000 – $40,000 with the historic-matching requirements.
Hidden Decking and Structural Repairs
Oak and eucalyptus debris from mature Whittier trees collects in roof valleys and holds moisture against the decking for months. By the time a leak shows up in the living room, the plywood under the valley is usually gone. We quote these repairs as written allowances in the contract, so you know the worst-case number before we start.
Garage and Patio Tie-Ins
Many Whittier homes have detached garages or add-on patios whose roof lines tie into the main structure. Those connections are a common leak point, and we re-flash and re-seal every one of them during a replacement. You don’t pay extra for tie-in work, it’s part of how we scope the job.

Trusted Brands We Service in Whittier
We work with seven of the leading roofing brands, including GAF, CertainTeed, and Owens Corning, which means the material recommendation comes from your roof’s condition and your budget, not from whichever manufacturer gives us the best terms. If you’re in the Uptown Whittier Historic District and need a specific tile profile to pass preservation review, we can source matching profiles from brands like IKO or Boral. That multi-brand access is the difference between a three-week approval and a three-month stall. For Whittier homeowners, it means real choice and faster turnaround on material orders.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Whittier Homes
- Rotted valley decking under original tile. The 1920s – 1940s clay barrel tile roofs in Uptown and central Whittier often hide failed underlayment beneath them, and the rot only becomes visible after tear-off. If the contract doesn’t anticipate this, the job stalls and the price jumps mid-project.
- Historic-preservation delays. If your home sits in the Uptown Whittier Historic District, a proposed tile profile or color that doesn’t match the neighborhood’s character can hold up approval for weeks. We pull the permit paperwork and material specifications before any tear-off so you’re never left with an open roof waiting on a committee.
- Santa Ana debris and grit damage. Wind events blast dust and leaf litter from mature oaks into valleys and behind flashing, which clogs drainage and accelerates corrosion. The first winter rain after a dry Santa Ana season is when most Whittier leaks surface.
- Asphalt patches on tile roofs. We routinely see clay tile roofs that were patched with asphalt shingles over the years, which looks bad and traps water against the tile underneath. Once we pull the patch, the decking beneath is almost always compromised and needs replacement.
Pricing for Roof Replacement in Whittier, CA
A typical architectural asphalt shingle roof replacement in Whittier runs $12,000 – $19,000 for a 1,500 – 2,000 square foot home. Clay tile replacements, especially those in the Uptown Historic District requiring profile matching, start around $25,000 and can exceed $40,000 on larger homes with complex eaves. The variables are square footage, number of valleys and dormers, decking condition, and whether preservation review applies. We write allowances into every contract for hidden decking or structural repair, and you approve any change in writing before we proceed. Call (866) 850-2496 for a free, itemized estimate on your Whittier roof.
We Also Serve Cities Near Whittier
Our Roof Replacement crews serve homes in South Whittier, West Whittier-Los Nietos, East La Mirada, and Santa Fe Springs, along with the surrounding Whittier neighborhoods. If you’re near the border of any of these areas, you’re still in our service zone.
Serving Whittier, CA — Our Local Coverage Area
We’re based in the Whittier 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 Whittier
If your home is in the Uptown Whittier Historic District, yes, and the review process examines tile profile, color, and material compatibility before you can order materials. We prepare the preservation submittal, including photos of the original roof, manufacturer specs for the proposed match, and a written justification, so you don’t get stuck with a torn-open roof waiting on approval. If your home is outside the district, no preservation review is required, though many Whittier homeowners still choose historically-appropriate materials to protect resale value. Call (866) 850-2496 and we can check your address against the district map in about five minutes.
On homes built before 1970, we most often find rotted valley decking where mature oak debris has sat against the wood for years, failed underlayment under original clay tile, and framing that was undersized by today’s code. In our experience on 1920s and 1930s homes in central Whittier, roughly two out of three roofs have some decking damage that wasn’t visible before tear-off. We handle this by writing a per-sheet decking allowance into your contract up front, so when we find rot, the cost is already defined and the job keeps moving. That’s how we avoid the mid-project price jumps that give contractors a bad name.
We treat every garage and patio tie-in as part of the main roof scope, not an add-on. During replacement, we pull the old flashing at each connection, inspect the underlying framing, and install new step flashing and sealant before laying the field material. Because so many Whittier homes were built with detached garages and later add-on patios, we see these tie-ins fail all the time, and a roof replacement is the right moment to make them right. The cost is included in the estimate, not billed separately.
We work with seven leading brands including GAF, CertainTeed, Owens Corning, and IKO, which gives Whittier homeowners access to more material choices than a single-brand contractor can offer. That matters in historic neighborhoods where the right tile or shingle profile makes or breaks the preservation approval. It also means you can compare material warranties and color options side by side instead of taking whatever the contractor happens to carry.
We measure by walking the roof and recording the actual decking area, valley lengths, eave runs, and penetration counts, then add material waste factors for the roof’s complexity. A simple gable roof on a mid-century Whittier home might have a 10% waste factor, while a Spanish Colonial with multiple hips, valleys, and a clay tile profile can run 15 – 18%. We use those measurements to build a line-item estimate, and the number we give you is the number we hold to unless the decking underneath tells us a different story. Call (866) 850-2496 to schedule your free measurement and estimate.
We recently replaced the roof on a 1931 Spanish Colonial Revival in Uptown Whittier where the original clay barrel tile had been patched with asphalt shingles. After pulling the tile, we found the decking was rotted in the valleys from years of oak debris, so we replaced the sheathing, installed ice and water shield in the valleys, and matched the original tile profile: a detail the historic review required before we could order materials.
If your Whittier roof is at the end of its life, or you’re not sure whether it has another season in it, start with an inspection. Call (866) 850-2496 or reach out to Ruben Ochoa and the team at Windmill Roof Repair. We’ll give you an honest assessment, a written estimate, and a clear path forward whether that’s a repair or a full replacement.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Whittier and surrounding Los Angeles County neighborhoods.