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 Walnut
Roof replacement in Walnut typically runs $14,000 – $32,000 depending on roof size, material, and whether we’re doing a straight overlay or a full tear-off down to the decking. Most Walnut homes were built between 1975 and 1995, which means the original underlayment under that concrete tile is either failing or already gone. If you’re seeing water stains on second-story ceilings, granule buildup in gutters, or tiles shifting after Santa Ana winds, call us at (877) 755-4274. We’ve worked in Walnut’s planned communities long enough to know what’s actually going on up there before we ever climb a ladder.
Gil Tanner leads our Roof Replacement team, and he’ll be the first to tell you: the tile on your roof can look perfect from the curb while the waterproofing beneath it is baked out and cracking. That’s the most common story we walk into in Walnut, and it’s why we insist on a proper inspection before quoting anything.
Why Weathervane Roof Repair Is Walnut’s Preferred Roof Replacement Company
We’ve worked on re-roofs and repairs in Walnut for years, and the pattern is always the same: HOA-governed neighborhoods with gorgeous, uniform rooflines, heavy tile roofs, and underlayment that no one sees until it fails. Homeowners in Snow Creek, Walnut Valley, and the hillside ranch tracts backing onto the Puente Hills call us because we know the architectural review process inside and out. We know which tile profiles and colors the committees approve, what the submittal packet needs to contain, and how to schedule the work so your roof isn’t sitting open while waiting on a decision.
We should be clear about something up front. We are a roof-only company. We inspect, repair, and replace roofs. That’s the whole list. When you call us, you’re not getting a general contractor who also happens to do roofing, a sales rep with a tablet full of financing pitches, or a storm-chaser crew that rolls through after a wind event. You get a roofing specialist who will tell you if a $600 repair buys you five more years or if replacement is genuinely warranted. Gil Tanner built the company around that honesty, and it’s why Walnut homeowners keep our number.
Styles & brands we work with






Roof Replacement Contractor in Walnut
A Roof Replacement Contractor in Walnut handles the full scope of a re-roof: removing old roofing material, inspecting and replacing decking where needed, installing new underlayment, flashing, and the finished roof surface itself. Because of Walnut’s architectural review requirements, this role also includes preparing HOA submittal packets, sourcing matching tile where needed, and scheduling work around committee approvals. A straightforward tear-off and re-tile on a 2,200-square-foot Walnut home runs $18,000 – $28,000 depending on tile profile and whether decking sections need replacement.
HOA Submittal and Material Matching
We handle the HOA paperwork. That means compiling manufacturer spec sheets, color samples, and installation details into a packet the committee can act on without weeks of follow-up questions. For Walnut homes with distinct tile profiles, particularly in Snow Creek and the hillside tracts, we source matching tile through our manufacturer relationships before ordering a single bundle.
Full Tear-Off vs. Overlay
Walnut’s older asphalt shingle roofs in the flatland tracts near the 91789 ZIP sometimes qualify for an overlay, which runs $9,000 – $14,000 and saves on tear-off labor. But with tile roofs, we almost always recommend full tear-off. The tiles from the 1980s might be fine, but the underlayment underneath is failing, and you can’t replace that through an overlay.
Asphalt Shingle Roof Replacement in Walnut
Asphalt Shingle Roof Replacement in Walnut means tearing off the existing shingles, checking the decking for rot or delamination, installing a new synthetic or felt underlayment, then laying architectural shingles with fresh flashing at all penetrations. You’ll find these roofs mostly in the older, flatter parts of the 91789 and 91795 ZIP codes, where two-story tract homes from the 1970s and 1980s dominate. A full asphalt shingle replacement on a typical 2,000-square-foot Walnut home runs $14,000 – $22,000, with price swings driven by decking replacement, tear-off disposal, and shingle brand.
Architectural Shingles and Walnut’s Exposure
Walnut sits at the wildland-urban interface along the Puente Hills. That’s not a minor detail, it’s a fire-safety reality. We strongly recommend Class A architectural shingles with ember-resistant ridge venting for any home backing onto the hills. The UV load inland is also brutal, so we steer Walnut homeowners toward higher-grade shingles with better granule adhesion from brands like CertainTeed and Owens Corning.
Decking Repair Before the Roof Goes On
In Walnut, especially on homes built before 1990, decking rot is common where underlayment has been failing for years. We price decking replacement at $3 – $5 per square foot as a change line on the estimate, so you’re not surprised if we find damage once the old roof comes off. It’s not an upsell, it’s what we find under maybe half the tear-offs in this city.
Trusted Brands We Service in Walnut
We install and repair materials from seven major manufacturers, and in GAF in Walnut and other leading brands we work most often with CertainTeed, Owens Corning, and IKO because their product lines match what this city’s HOAs approve and what the climate demands. You won’t get sold on whatever brand pays us the best rebate that month. You’ll get the shingle or tile that fits your roof’s existing system, your HOA’s requirements, and your budget. When we need matching tile for a partial re-roof in Snow Creek or the Walnut Valley tracts, we source it through our manufacturer relationships, not a generic supply yard with three dusty profiles on the shelf.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Replacement Problems We See in Walnut Homes
- Baked-out underlayment under intact tile. Concrete and clay tile from the 1980s can look pristine while the underlayment beneath has turned brittle and useless. We see this constantly in Walnut’s planned developments, where tile roofs hide leaks until ceiling stains appear.
- HOA-required tile matching stalls projects. Walnut’s architectural committees demand near-exact tile and color matches, which means ordering from specific manufacturers and waiting for production runs. If approval isn’t secured early, the roof sits open to weather.
- Wind-driven ember intrusion along the Puente Hills edge. Santa Ana winds push embers into valleys, ridge vents, and any gap where debris has collected. Homes backing onto the hills need Class A assemblies and ember-resistant detailing, which most original 1980s plywood-sheath roofs simply don’t have.
- Flashing failures at second-story transitions. Walnut’s two-story tract homes concentrate water flow at specific intersections, and those are usually where the flashing fails first. We replace and upgrade flashing on every replacement, not just where it’s visibly rotted.
Pricing for Roof Replacement in Walnut, CA
Here’s what we tell Walnut homeowners in plain numbers. A full tear-off and asphalt shingle replacement on a 2,000 – 2,400-square-foot home runs $14,000 – $22,000. A concrete or clay tile re-roof on the same footprint runs $18,000 – $32,000, with the high end reserved for matching premium tile or heavy decking replacement. Architectural shingles, which many Walnut HOAs in the flatland tracts now approve, run $9 – $12 per square foot installed. Tile runs $11 – $17 per square foot installed. These are honest ranges, not teaser quotes. Call (877) 755-4274 and we’ll give you a written line-item estimate based on an actual inspection, not a satellite image.
We Also Serve Cities Near Walnut
Our crews work throughout the San Gabriel Valley, so if you’re in Walnut today, we’re also handling roof replacements in South San Jose Hills, Rowland Heights, West Covina, and Pomona. The HOA and tile-matching realities in Walnut don’t exist in these neighboring cities the same way, which is exactly why local knowledge matters. Call us and we’ll tell you what your specific roof and your specific neighborhood require.
Serving Walnut, CA — Our Local Coverage Area
We’re based in the Walnut 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 Walnut
Expect HOA architectural review to add two to six weeks to your timeline, depending on the community and how often the committee meets. In Snow Creek and similar planned developments, the review happens once a month, so missing the deadline pushes you back 30 days. We build this into the schedule and submit the packet early enough that approval lands before the old roof is touched. Call (877) 755-4274 and we’ll tell you exactly how your HOA’s calendar affects your project.
Walnut HOAs typically require manufacturer spec sheets for the exact product being installed, a color sample or color-code confirmation, a roof plan or elevation diagram showing where material transitions occur, and a scope of work describing tear-off versus overlay. Our team assembles the packet for you and handles revisions if the committee asks for clarification. We’ve learned what gets approved here and what gets bounced back, so we front-load the paperwork with what the committee actually wants to see.
Yes, we can match your existing concrete tile. We source through manufacturers like Boral and other major tile producers, matching profile, color, and texture to what’s already on your roof. Walnut’s HOAs require near-exact matching, so we’ve built the supplier relationships to make it happen. We recently did this in Snow Creek, removing 1980s concrete tile, replacing the failed underlayment, then reinstalling the original tiles with matching replacements for the broken ones. The HOA final inspection passed without issue. Call (877) 755-4274 for an estimate on your specific tile.
Underlayment is the waterproof layer beneath your tile. In Walnut’s hillside tracts, especially homes built in the 1980s, the original underlayment is baked out from three decades of inland UV and heat. The tile looks fine, but water gets through the shifted or cracked tiles and has nothing beneath to stop it. This is the classic Walnut roof failure: hidden water intrusion, rotted decking, and interior damage discovered years after the underlayment died. A proper replacement tears off the tile, replaces the underlayment with a high-temp self-adhered membrane, and reinstalls the tile. Call (877) 755-4274 to schedule an inspection of your underlayment before the next rain season.
We submit the HOA packet first, wait for approval, and only then order materials and schedule the tear-off. That way, the roof is never sitting open waiting on a committee decision. For Walnut homes with matching tile requirements, we order tile early enough that it arrives before the old roof comes off, then stage it on-site. The sequence is approval, material delivery, tear-off, underlayment, tile or shingle install, final inspection. It’s methodical, and it works. Call (877) 755-4274 for a free estimate and a schedule that respects your HOA’s process.
Written by Gil Tanner, Owner at Weathervane Roof Repair, serving Walnut and the San Gabriel Valley.