Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roof Replacement in Napa, CA: What It Costs and How Tight Lots Change the Job
A full Roof Replacement on a typical Napa home runs $14,000 to $28,000 for asphalt shingles, with architectural shingles landing between $18,000 and $34,000 depending on square count, tear-off layers, and decking repairs. Tile and flat roofing push higher. The number that actually matters in Napa is the access plan: on a pre-war lot near Downtown or Old Town, hand-staging materials and coordinating a party-wall notice can add a full day of labor before the first shingle comes off.
If you’re reading this, you probably have a roof that’s past its service life, a leak that keeps coming back, or a quote from a crew that didn’t mention permits, staging, or your neighbor’s wall. Tilehurst Roofing does this work here every week. Call (945) 303-9821 for a written, line-item quote before any work starts.
Fast, Reliable Roof Replacement Across Napa
We know Napa’s lot geometry as well as its roof decks. The Valley’s flatlands east of downtown hold hundreds of 1950s and 60s ranch homes with composition shingles at the end of their life. The hillsides hold estate homes with clay tile and steep pitches that most crews quote without ever climbing. And the pre-war blocks around Fuller Park, Old Town, and downtown hold bungalows where the chimney was cracked in 2014 and quietly leaking into a wall cavity ever since.
That’s why our process starts with a site walk, not a drone photo. We measure access before we measure squares. If you’re three feet off the property line and the neighbor’s wall is in play, we tell you that at the quote, not when the truck shows up. Call (945) 303-9821 and we’ll schedule the walk.
Why Tilehurst Roofing Is Napa’s Preferred Roof Replacement Company
The homes here aren’t like suburban tract houses in the East Bay or new builds in American Canyon. They’re older, tighter, and more likely to have a story under the shingles. Napa homeowners call us because we’ve done this on Craftsman bungalows with original board sheathing, on 1970s ranches with brittle torch-down at the eaves, and on wine-country hillside homes where a crane is the only way to get materials up.
Greg Holloway leads our Napa work, and the crew he sends knows the valley. Every technician is background-checked, uniformed, and carries a written work order that matches the quote you already hold. We don’t send salespeople. We send roofers.
Every job begins with a written price before any work starts. Every repair carries a written guarantee delivered before the crew leaves, not mailed later. And under the 365-Day Done Right Promise, if something isn’t right, we come back and make it right for a full year. That’s the Kingswell Way, and it’s how Tilehurst Roofing has operated since 2000.
Roof Replacement Contractor in Napa
A Roof Replacement Contractor in Napa does more than strip shingles and nail down new ones. On a tight lot, the contractor is also the staging coordinator, the permit runner, and the person who keeps the neighbor’s Tuesday morning calm. We handle all of it.
Typical full replacements in Napa run $14,000 to $28,000 for a standard asphalt roof, with architectural profiles at the higher end. Decking replacement, if the 2014 earthquake or years of trapped moisture have compromised the OSB or board sheathing, adds $75 to $110 per sheet. We quote every sheet before we pull it.
Permits, Party Walls, and Planning
Any roof replacement on a pre-war lot with a shared wall or a side setback under four feet triggers a party-wall notice in Napa. We hand-carry it to the neighbor, explain the schedule, and document the condition of the shared wall before work starts. It’s paperwork, but it’s the paperwork that keeps a re-roof from becoming a fence-line dispute.
Staging on a Constrained Site
Where there’s no driveway to spare, we hand-stage materials each morning and clear the walking path each evening. The crew doesn’t park across a neighbor’s driveway, and the compressor doesn’t fire up before the city’s allowed hours. We leave the place cleaner than we found it, every day.
Asphalt Shingle Roof Replacement in Napa
Asphalt Shingle Roof Replacement in Napa runs $14,000 to $22,000 for three-tab and $18,000 to $30,000 for architectural profiles like GAF Timberline HDZ or CertainTeed Landmark. Most Napa flatland homes get architectural shingles; the upgrade adds curb appeal and holds a 130 mph wind rating when nailed to the manufacturer’s pattern.
Summers on the valley floor bake shingles. UV, heat, and the nightly marine fog that rolls through the Carneros corridor stress adhesives and underlayment in ways a cool-coast roof never sees. We inspect for granule loss, sealant breakdown, and moss on north-facing slopes before quoting, because a roof that looks fine from the street can already be failing at the ridge.
Decking and Underlayment
Once the old shingles come off, we inspect what’s underneath. On 1960s and 70s ranches, that’s often 3/8-inch plywood that’s delaminating at the eaves. We replace bad decking by the sheet, never by guessing. New synthetic underlayment goes down on every replacement.
Ridge, Drip Edge, and Ventilation
A proper Napa replacement includes new drip edge at every eave and rake, new ridge cap, and ventilation sized for the attic. Older homes here were often underventilated from day one, which shortens shingle life and traps moisture. We fix that while the roof is open.
Trusted Brands We Service in Napa
You get real choice, not whatever happens to be in the truck. We install GAF, Atlas, and Tamko shingles, along with materials from CertainTeed, Owens Corning, IKO, and Boral. On Napa hillside rebuilds inside WUI-designated zones, we specify Class A fire-rated assemblies from GAF and Atlas as the default. On Old Town bungalows where the look matters, we can recommend profiles that match the neighborhood’s original character. We keep local stock for common Napa roof types, which shortens lead times and means fewer days of waiting between tear-off and dry-in.
Common Roof Replacement Problems We See in Napa Homes
- Earthquake-patched chimneys fail silently. The 2014 South Napa earthquake cracked mortar crowns and loosened step flashing on hundreds of pre-war chimneys. Tuck-pointing made the brick look fine from the street, but water has been entering the wall cavity for years. A cosmetic patch plus a new roof buries the problem under fresh underlayment until a winter storm exposes it.
- Tight lots make staging a real cost line. On Downtown and Old Town blocks with three feet of side setback and no driveway, moving 22 squares of shingles and a tear-off trailer is a daily logistics exercise. Crews that don’t plan for this quote low, then cut corners or start losing days mid-job.
- Valley-floor heat kills underlayment early. Years of 100°F summer days dry out felt and sealant until the roof is brittle. A Napa roof often looks okay from the ground but fails during the first concentrated winter rain, when the valleys and flashing take the full force.
- Hillside WUI zones have code most crews skip. Any re-roof in Napa’s WUI-designated hills requires Class A fire-rated materials and a properly nailed ridge vent. Non-rated materials fail county inspection and in a fire year, they fail a lot worse.
Pricing for Roof Replacement in Napa, CA
A standard asphalt shingle replacement on a Napa home runs $14,000 to $22,000. Architectural shingles typically run $18,000 to $30,000. Add $75 to $110 per sheet for decking replacement, $1,500 to $3,500 for chimney flashing repair or rebuild, and $1,200 to $2,800 if the roof requires crane-over-the-house staging. Tile and flat roofing jobs start higher and are quoted per square foot after the site walk.
What changes the quote is access, layers of existing roofing, deck condition, and whether the chimney needs real structural work, not just cosmetic attention. We put all of that in writing before any shingle comes off. Call (945) 303-9821 to schedule a free estimate.
We Also Serve Cities Near Napa
Tilehurst Roofing handles full replacements and re-roofs throughout the North Bay. Beyond Napa itself, our crews regularly work in Deer Park, Boyes Hot Springs, Sonoma, and Winters. If you need a Roof Replacement in Napa or any of these neighboring towns, call (945) 303-9821 and we’ll put a date on the calendar.
Serving Napa, CA - Our Local Coverage Area
We’re based in the Napa 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 Napa
Yes, and it should. Party-wall notice requirements, hand-staging, and any chimney work all land on the quote as line items, not hidden add-ons. A pre-2014 chimney that was tuck-pointed after the earthquake often needs crown rebuild and new step flashing before a new roof goes over it. Expect $1,500 to $3,500 for that work if it’s needed. Call (945) 303-9821 for an exact number after a site walk.
No. Class A fire-rated materials are required in WUI-designated zones, which cover Napa’s eastern and western hills and some canyons. Valley-floor homes outside the WUI have more material freedom, though many homeowners still choose Class A shingles from GAF or Atlas because the cost difference is modest and the protection is real. We’ll check your address against the current WUI map before recommending materials.
Napa limits construction noise to defined daytime hours, so a replacement is a daytime job with early setup done quietly. On a tight lot, that means most of the tear-off and nailing happens in a six-to-eight-hour window, and we schedule dumpster drops and crane work inside the same window. It stretches a job by a day or two compared to an unregulated county site, but it keeps neighbors onside and avoids stop-work complaints.
Look for interior stains that appear after concentrated winter rain, especially on the ceiling near the chimney or on walls adjacent to the fireplace. Peeling paint, damp plaster, or a persistent musty smell near the chimney chase all point to hidden flashing failure. The gap is often behind the cosmetic patch, completely invisible from outside. We’ll remove the visible flashing and inspect before recommending replacement.
Compare the line items underneath the square count. Does the quote include new drip edge, a ridge vent, decking contingency, party-wall notice, permit fees, and disposal? Does it name the underlayment and the shingle profile? If those lines are missing, the price isn’t lower; it’s incomplete. Call (945) 303-9821 and we’ll walk through our quote line by line so you can compare honestly.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Napa and the North Bay.






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