Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Replacement Across Gilroy
Roof replacement in Gilroy runs $14,000-$32,000 for a full tear-off on a typical 1990s-2010s tract home, while a dry underlayment replacement beneath intact tile (the far more common job here) lands between $8,000 and $18,000 depending on square footage and slope. We know those numbers cold because Gilroy’s housing stock has a very specific problem: the 1990s-2000s master-planned communities like Eagle Ridge built with clay and concrete barrel tile are now aging out their underlayment all at once, and the Pacheco Pass gap on Highway 152 sends winds through town that crack and lift that tile faster than anywhere north or south of you. If you’re weighing repair against replacement, call (945) 303-9821 and we’ll put a written price in your hands before any work starts.
Tilehurst Roofing is part of the Kingswell family of roofing companies, founded in 2000. Greg Holloway leads our Gilroy crews, and every job here begins the same way: a live person answers, a written quote is delivered before work begins, and the guarantee goes in writing before the crew leaves.
Why Tilehurst Roofing Is Gilroy’s Preferred Roof Replacement Company
We understand what Gilroy homeowners are up against because we have worked the tile-underlayment replacement wave here longer than most. The 1990s-2000s tract boom produced thousands of homes with barrel tile over a single layer of underlayment that was never designed to last 30 years under Gilroy’s 95-100°F summer heat. That is the dominant roofing job in this city right now, not the full tear-off that a generic contractor from outside the area might quote you. Greg Holloway’s crews know the difference, and the quote reflects it.
Gilroy customers call us because we show up when we said we would, and the price does not change at the door. The Kingswell Way is not a slogan; it is five specific commitments: say the price before the work, show up in the window we gave, leave the place cleaner than we found it, put the guarantee in writing, and come back if it fails. Every Gilroy job gets the 365-Day Done Right Promise in writing, a full year of documented accountability on the replacement.
Scheduling and dispatch are coordinated from the brand’s San Francisco Bay Area office, and crews serve Gilroy locally. When a Gilroy homeowner calls at 9 PM on a Sunday because the November rain found a cracked valley tile, a live person picks up. That matters in a city where the rainy season is short and aggressive, and a leak that waits until Monday is a week of soaked decking by then.
New Roof Installation in Gilroy
New Roof Installation in Gilroy is the route when a home was built outside the tile-belt era and the existing roof has reached the end of its structural life, or when a homeowner wants to move away from a failed system entirely. The older core near downtown and First Street has 1950s-1970s wood-frame homes with composition shingle roofs, and that is where we see most brand-new asphalt or architectural shingle installs. A full new roof on a single-story Gilroy ranch typically runs $14,000-$22,000; two-story tract homes run $20,000-$32,000 depending on slope complexity and decking condition.
New Construction Roofs
Gilroy keeps building, and developers with new construction in the eastern hills or near the outlet malls need a roofing partner who can stage tightly and coordinate with the general contractor’s schedule. We install new roofs on residential new construction with the same written-price discipline we bring to every replacement, and we work with the materials the plans specify rather than what happens to be in the truck. Seven manufacturers are on our vendor list: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. The product should fit the home and the HOA’s architectural requirements, not our inventory convenience.
Asphalt and Architectural Shingle Replacement
For the pre-1990s Gilroy homes that never had tile, full shingle replacement is straightforward but still demands real decking inspection. Gilroy’s summer heat bakes standard three-tab asphalt shingles through repeated 95-100°F cycles, which ages the adhesive strips and leaves granules in the gutters far earlier than the manufacturer’s nominal lifespan. We write the decking condition into the quote line-by-line so there are no change orders when the old shingles come off and rotted plywood shows underneath. You see the decking replacement cost before the crew climbs the ladder.
Reroofing in Gilroy
Reroofing in Gilroy almost always means the dry underlayment replacement we described above: lifting intact barrel tile, replacing worn felt or synthetic underlayment, addressing cracked pieces and failed ridge mortar, and resetting the original tile. The HOA-governed communities like Eagle Ridge mandate exact tile profiles and colors, and sun-faded originals from the late 1990s are nearly impossible to match off the shelf. That means a reroof here is as much a materials-sourcing exercise as a roofing job. Expect $8,000-$18,000 on a single-story tract home, with slope and story count driving the top end.
Underlayment Replacement Under Existing Tile
Gilroy’s November-April rainy season does not allow for soft underlayment. When water reaches the felt layer and sits against the decking, the failures compound quickly: soft spots, interior staining at the ceiling plane, and a deck that cannot hold a re-nail schedule for reset tile. We install ice and water shield at valleys and penetrations as standard on every Gilroy reroof, because the Pacheco Pass winds that drive rain sideways through the Highway 152 gap will exploit any gap in the system. No exceptions, no upcharge for the membrane; it is in the line-item quote from the start.
Decking and Drip Edge Replacement
The wind-driven rain that accelerates underlayment failure also finds its way behind failed drip edge, which in Gilroy is often original to a 1995-2005 build and never replaced. We replace drip edge on every reroof where the old metal is lifted, corroded, or buried under caulk from a previous repair, and we inspect the roof deck at every tile lift. If a section of decking must come out, the written quote already showed you the per-sheet cost. The Kingswell rule holds: no price movement after the job starts, even if the wood underneath is worse than anyone expected.
Trusted Brands We Service in Gilroy
You are not stuck with one house brand. Tilehurst Roofing carries and installs roofing systems from GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, which matters in Gilroy because Eagle Ridge and comparable HOAs will not let you put a close-enough shingle on a tile-mandated roof. If your HOA requires a specific concrete barrel tile profile in a specific sun-faded color, we bring manufacturer sample boards and source reclaimed matching pieces before committing to any visible repair. Gilroy jobs do not wait on back-ordered parts from out of state; our vendor relationships keep the right materials moving locally.
Common Roof Replacement Problems We See in Gilroy Homes
- Failed underlayment beneath intact tile. The 1990s-2000s tile belts are aging out their felt and synthetic underlayment all at once, and the first sign is usually a water stain on a bedroom ceiling after a November storm. The tile looks fine from the street; the roof is not.
- Cracked and lifted barrel tile from Pacheco Pass winds. The Highway 152 gap funnels sustained westerly and offshore Diablo winds through Gilroy, and those winds lift tile edges and crack pieces far more aggressively than in Morgan Hill to the north or Hollister to the south. A cracked tile is not cosmetic; it exposes the underlayment and flashings to the next rain.
- HOA-driven redo orders for tile color mismatch. Eagle Ridge and comparable Gilroy communities mandate exact tile profiles and colors, and a close-but-not-exact match installed by a contractor who does not know the local standards will trigger a mandatory redo. We source reclaimed matching tile and get architectural approval before the visible work starts.
- Constrained staging on dense tract lots. Gilroy’s master-planned subdivisions were laid out for cars, not dumpsters. Crews that do not plan parking and access end up blocking shared driveways or hauling squares of tile by hand from a truck parked two streets over, and the neighbor complaints and wasted labor inflate the effective cost. Our quotes include an access plan.
Pricing for Roof Replacement in Gilroy, CA
Here are the real numbers for Gilroy’s market. A full tear-off and new asphalt shingle roof runs $14,000-$32,000 depending on story count, slope, and decking condition. A dry underlayment replacement beneath intact tile (the most common Gilroy replacement job) runs $8,000-$18,000. New construction starts at the top of the shingle range and goes up from there based on the plan’s material spec. What moves the price: decking replacement volume, slope and story count, whether your HOA requires reclaimed matching tile, and whether existing ridge mortar can be reset or must be fully rebuilt. You will see every line item in writing before any work starts, and the written price does not move after the job begins. Call (945) 303-9821 for a free estimate and we will walk the roof with you.
Key Takeaways: Gilroy Roof Replacement
- Most Gilroy homes need dry underlayment replacement under intact tile, not a full tear-off. Get a contractor who knows the difference.
- Pacheco Pass winds through the Highway 152 gap crack and lift barrel tile faster than in neighboring cities; wind-rated fastening and full valley membrane are not optional.
- HOA architectural committees in Eagle Ridge require exact tile profiles and colors. We source reclaimed matching tile and get approval before visible work begins.
- Every quote is a written line-item price delivered before any work starts, and every job carries the 365-Day Done Right Promise.
We Also Serve Cities Near Gilroy
Our Roof Replacement in Gilroy crews also handle jobs in San Martin, Morgan Hill, Los Gatos, and Campbell. If you are in one of those cities and weighing the same tile-underlayment questions, the team at Tilehurst Roofing can walk you through the quote with the same local lens. Each city has its own housing patterns, and we quote accordingly.
Serving Gilroy, CA - Our Local Coverage Area
We’re based in the Gilroy 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 Gilroy
In Gilroy, the answer is usually underlayment only. If your barrel tile is intact and your home was built in the 1990s-2000s, the underlayment beneath the tile is the component that has failed, and a dry underlayment replacement ($8,000-$18,000) restores the roof for another 20-30 years without the waste and cost of a full tear-off. Full tear-off is appropriate when the tile itself is structurally compromised, the decking is failing, or you want to change roofing systems entirely. Call (945) 303-9821 and we will tell you honestly which one your roof needs after we inspect it.
We plan staging before the quote is finalized. On a dense Gilroy tract lot, that means identifying where the dumpster goes, where squares of tile get staged, and how material gets from the truck to the roof without blocking a shared driveway or a neighbor’s parking. The access plan is part of the written estimate, so you are not surprised by a crew that cannot execute on day one. If the HOA has rules about construction hours or staging location, we work within them and document everything.
If the replacement tile matches, yes. The issue is that sun-faded originals from the late 1990s and early 2000s do not match anything off the shelf, and a close-but-not-exact color will trigger a mandatory redo order from the HOA. That is why we bring manufacturer sample boards and source reclaimed matching tile before any visible repair or replacement is installed. We have done this in Eagle Ridge successfully where other contractors were sent back to do it again.
Gilroy’s Pacheco Pass gap accelerates westerly and offshore Diablo winds through the Highway 152 corridor, which lifts and cracks tile and mortar ridges more aggressively than in Morgan Hill or Hollister. That means fastening schedules, ridge mortar mix, and valley membrane selection have to be specified for higher sustained wind loads. The 95-100°F summer heat also bakes underlayment and flashings, which is why we install ice and water shield at valleys and penetrations as standard on every Gilroy replacement. Materials that work fine in a mild coastal microclimate fail early here.
We measure the roof by actual square footage of the roof plane, not by the footprint of the house, and every quote is a written line-item price: squares of new material, underlayment, decking replacement (per sheet), ridge, drip edge, valleys, flashing, disposal, and labor. You can hand that quote to another contractor and they will know exactly what we are proposing to do, which is the point. If a bid is vague, ask for the line items. We give them to you before any work starts, and the price does not move after the job begins.
Get Your Gilroy Roof Replacement Estimate
If your Gilroy roof is leaking, losing granules, or showing cracked tile and failing ridge mortar after 25 years of Pacheco Pass wind, get a real quote before you guess. Call (945) 303-9821 and a live person will answer, 24 hours a day, 7 days a week. Greg Holloway and the Tilehurst Roofing crews serve Gilroy with Roof Replacement work that is priced in writing before any nail is driven, guaranteed in writing before the crew leaves, and backed by the 365-Day Done Right Promise for a full year after the job. The estimate is free. The price does not change at the door.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Gilroy, CA.






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