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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across Thousand Oaks
Roofing work in Thousand Oaks comes with a set of rules most roofers never mention. HOA architectural review, concrete tile profiles, underlayment that bakes under Conejo Valley sun. A roof replacement here typically runs $14,000 to $32,000 for a standard single-family home, and repair work usually lands between $450 and $2,800 depending on what the Santa Anas tore loose. We are Mercer Roofing Co Thousand Oaks, and we know what gets approved, what gets flagged, and what actually holds up on a low-pitch Mediterranean roof built in 1987. Call (805) 309-3314 and a live person answers, 24/7.
Why Mercer Roofing Co Thousand Oaks Is Thousand Oaks’s Preferred Roofing Company
We have walked more Thousand Oaks roofs than we can count, from the gated loops of Lang Ranch to the canyon-edge streets of Newbury Park. What homeowners here tell us most often is that they want to know exactly who is walking up their driveway. So we do something simple that most Roofing Company competitors skip: before a technician arrives, we send their name and photo. When they knock, they are in a clean Mercer uniform and they hand over a photo ID badge. Background-checked. Identity-verified. Every single visit, no exceptions.
That standard is part of the Threshold Group family, which Mercer Roofing has been part of since 2000. Each location is independently owned and operated, but every technician is held to the Threshold Verified standard. Homeowners in Thousand Oaks, especially those who are home alone during the day or have young kids, tell us that the badge-at-the-door promise is the reason they called us instead of someone else. Grant Whitlock leads our team, and he insists on written pricing before any work begins. Not a verbal estimate. A written price. Every time.
Styles & brands we work with





Residential Roofing in Thousand Oaks
Residential Roofing across Thousand Oaks is dominated by one material: concrete tile. The tract-home boom from the 1980s through the early 2000s put low-pitch, Spanish-style concrete tile roofs on thousands of homes, especially in neighborhoods like Lang Ranch, Woodridge, and much of Newbury Park. The tiles themselves often still look fine. The felt underlayment underneath rarely does. Homeowners notice it first as a water stain on a ceiling after a hard rain, or as rusted flashing near a chimney, or as loose tiles scattered after a Santa Ana wind event.
What a residential roofing project in Thousand Oaks usually involves is tile removal, underlayment replacement, flashing repair at penetrations, and reseating or replacing tiles to match the existing profile. Some HOAs, including Woodridge and Lang Ranch, require exact tile profile matches. We handle that as a matter of routine. A full tile re-roof on a typical 2,000 to 2,800 square foot Thousand Oaks home runs $16,000 to $28,000. Partial re-roofs, where only one slope or section gets new underlayment, land between $3,500 and $8,000. These prices include tear-off, disposal, underlayment, and reseating existing or replacement tile.
Tile Profile Matching for HOA-Approved Roofs
Woodridge, Lang Ranch, and several other Thousand Oaks communities enforce architectural guidelines that specify tile profile, color, and sometimes even manufacturer. We cross-reference the existing tile against current Boral and other manufacturer catalogs to find the exact profile. If the original tile is discontinued, we source period-correct reclaimed tile or document the closest match and include that documentation in the HOA submittal packet. The goal is approval without a resubmit.
Underlayment Replacement on Original Tile Roofs
Most original Thousand Oaks tile roofs are now 25 to 40 years old. The tile is often rated for 50 years or more, but the felt underneath is not. UV exposure through cracked tile and shifted overlaps breaks down that underlayment slowly, then suddenly. We use high-grade synthetic underlayment rated for intense UV exposure, because the Conejo Valley sun will find any weak spot. A full underlayment replacement with tile reseating on a typical Thousand Oaks home runs $12,000 to $22,000.
Roof Maintenance in Thousand Oaks
Roof Maintenance in Thousand Oaks is not optional, and it is not a once-a-decade chore. The mild Mediterranean climate means homeowners rarely think about their roof until a Santa Ana wind event scatters tiles across the front yard or a February rain finds the crack that had been growing for three summers. After a wind event, we get calls for the same streets in Newbury Park, where canyon-funneled gusts create localized wind-uplift damage that rarely occurs in neighboring Westlake Village. Same streets, same handful of dislodged tiles, same underlying cause.
A typical roof maintenance visit in Thousand Oaks runs $250 to $650 and includes a full inspection, tile re-securing where needed, flashing inspection at penetrations, and gutter debris removal if relevant. If we find cracked tiles, replacement typically adds $15 to $40 per tile installed. If we find dry-rotted underlayment, you need more than maintenance, and we will tell you that plainly and show you photos, not just take our word for it. We never upsell maintenance customers into a re-roof they do not need. When a roof is done, it is done, and when it needs attention, we show you exactly where.
Post-Santa Ana Tile Re-Securing
After a strong Santa Ana event, we dispatch crews through Thousand Oaks checking for dislodged tile. The work itself is straightforward: lift the surrounding tile, remove broken pieces, reseat sound tile with new fasteners, and replace what cannot be salvaged. The trick is knowing which streets get hit. Canyon corridors in Newbury Park and the hilltop exposure in Lang Ranch see wind uplift that flat, interior streets never experience. We schedule post-wind inspections by neighborhood, so we can cluster jobs and get to more homes faster.
Pre-Rain Gutter and Flashing Checks
Thousand Oaks does not get much rain, but when it comes, it comes fast on baked-dry flashing and old sealant. A pre-rain check runs $180 to $350 and covers gutter fastening, valley flashing inspection, chimney flashing, and pipe boot condition. It catches the small failures before they become water on the ceiling. Most Thousand Oaks homes built before 1995 still have original pipe boots and chimney flashing, and the UV here eats the rubber and sealant faster than most manufacturers expect.
Trusted Brands We Service in Thousand Oaks
We work with manufacturer-recognized shingle brands including CertainTeed, Owens Corning, IKO, and Atlas, and we stock common parts for Thousand Oaks customers so repair turnarounds stay short. For concrete tile roofs, we regularly source Boral profiles to match HOA requirements in Woodridge and Lang Ranch. For composition shingle re-roofs in the older 1960s and 1970s neighborhoods of Thousand Oaks, we recommend and install CertainTeed Landmark and Owens Corning Duration lines most often because they hold their shape through the heat cycles here. We do not push one brand for every house. The roof dictates the right product.
Common Roofing Company Problems We See in Thousand Oaks Homes
- Santa Ana wind damage on canyon-edge streets. Newbury Park homes near the canyon mouths lose individual tiles in localized wind gusts, even when neighboring streets are untouched. We re-secure and replace those tiles, then check the underlayment beneath for wind-lifted felt that will leak later.
- Cracked felt under 1980s-era concrete tile. The tile looks fine, so homeowners think the roof is fine. The felt underneath is often brittle and UV-baked. We see this constantly in Woodridge and Lang Ranch, where the original underlayment is now past its useful life.
- HOA stop-work orders after unapproved repairs. A homeowner or a contractor starts a roof project without filing the architectural submittal, and the management office halts the work. This is fully preventable. We file the submittal packet before the first tile comes off.
- UV-degraded flashing and pipe boots on original builds. The Conejo Valley sun is relentless on rubber and sealant. Homes built in the 1980s and 1990s often have original boots and flashing that are now cracked, rusted, or completely separated. It is the most common source of the “mystery leak” that only shows up when it finally rains.
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AfterPricing for Roofing Company in Thousand Oaks, CA
A tile roof repair in Thousand Oaks typically runs $450 to $1,800. Full underlayment replacement with tile reseating runs $12,000 to $22,000 for a standard single-story or two-story home. Complete tear-off and re-roof with new underlayment and replacement tile lands between $16,000 and $28,000, depending on tile type, roof complexity, and how much structural repair the decking needs. What drives cost here more than anything is tile profile: HOA-mandated profiles in Woodridge cost more to source than standard flat tile. HOA submittal fees, if your community charges them, typically add $50 to $250. We include the written line-item price before any work begins, and we do not start without your approval. Call (805) 309-3314 for a free estimate, and we will send someone to your Thousand Oaks home who arrives with a name badge and a written price.
We Also Serve Cities Near Thousand Oaks
Mercer Roofing Co serves Thousand Oaks and the surrounding communities, including Westlake Village, Oak Park, Agoura Hills, and Simi Valley. If you are in one of those nearby cities and have a concrete tile roof doing odd things after a wind event, call (805) 309-3314. Our crews cover the whole Conejo Valley area.
Serving Thousand Oaks, CA - Our Local Coverage Area
We’re based in the Thousand Oaks 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 Roofing Company in Thousand Oaks
Yes. Woodridge requires architectural review before any roof work that changes or removes roofing material, including underlayment replacement. The submittal packet must include a scope of work, tile profile specifications, underlayment type, and often color samples. We prepare the packet for you, file it with the management office, and hold the start date until written approval comes back. Call (805) 309-3314 and we will walk you through your specific community’s current requirements.
Most Thousand Oaks HOA review committees meet monthly, so you are usually looking at two to six weeks from submittal to approval, depending on where your project lands in the cycle. Some smaller communities run faster, some management offices respond in under two weeks. We build the review timeline into the schedule so your roof is not torn off and left exposed waiting on a committee. When the approval comes in, the crew is already staged to start.
The canyon-funneled gusts in certain Newbury Park streets create localized wind uplift that lifts individual concrete tiles, especially on older roofs where fasteners have loosened. The fix is re-securing the surrounding tile field, not just replacing the one visible missing tile. We also check the underlayment underneath, because wind that lifts tile also lifts and tears the felt. Call (805) 309-3314 for an exact assessment after the next wind event.
Yes, in almost every case. We carry and source Boral concrete tile profiles common to Woodridge’s original construction era, and we document the match in the HOA submittal so the review committee can approve it without a resubmit. If your original tile has been discontinued, we source reclaimed matching tile or present a documented closest-match alternative to the committee. We handle the entire matching process.
Nearly all Thousand Oaks tile roofs we service are tear-offs. Overlaying new underlayment over old tile is rare and usually not approved by local HOAs, and the weight load on 1980s framing is a problem. We remove the existing tile, inspect the decking, replace the underlayment, repair any dry rot, and then reseat or replace tile to match the original profile. Your roof gets the same material spec the house was built with, but with modern underlayment rated for our UV exposure. Call (805) 309-3314 and we will give you a written scope and price before anything starts.
Call Mercer Roofing Co Thousand Oaks for a Free Estimate
If your Thousand Oaks roof needs repair, an inspection, or a full re-roof, call (805) 309-3314. You will talk to a live person, the estimate is free, and before any technician arrives you will have their name and photo in your hand. No strangers at the door. No mystery pricing. No half-finished roof waiting on a committee. We file your HOA submittal, schedule around the review, and put every guarantee in writing before the first tile is lifted.
Written by Grant Whitlock, Owner at Mercer Roofing Co Thousand Oaks, serving Thousand Oaks and the Conejo Valley since 2000.