Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Repair Across Napa
Roof repair in Napa usually falls into two camps: a leak that appeared after the last winter storm, or an inspection that flagged something before the next fire season. Most repairs in this area run between $450 and $2,800 depending on what’s actually wrong, and a surprising number of them come back to one thing: original underlayment from the 1990s that’s finally given out. Our crews work across Napa, from the Victorians near downtown to the tile roofs in Silverado and the ranches in Alta Heights, and we know what these roofs do in this climate. If you’re looking at a stain on the ceiling or a missing shingle after a wind event, call (361) 320-9467 and we’ll get someone out to look at it.
Why Brennan Roofing Is Napa’s Preferred Roof Repair Company
Napa homeowners have a specific frustration with roofers: someone shows up, quotes a number, then the number moves once the roof is opened up. That doesn’t happen with us, and the reason is simple to explain. Every job starts with a written price before any work begins. That’s the Garrison Standard, and it’s the same on every roof we touch. If the repair is bigger than expected once we expose the decking, you get a revised number in writing before we go further. You approve it or you don’t. There’s no pressure at the door.
Travis Oakley, who leads our Napa work, has spent enough time on these roofs to know what he’s looking at before the first shingle comes off. We send background-checked, uniformed technicians to every job, so the person on your roof is someone we’ve vetted, not a sub we found that morning. And if a repair fails within a year, the 365-Day Done Right Promise means we come back and make it right at no charge. In writing, for one full year. That’s not a pitch. It’s the guarantee paper you get with every invoice.
We’ve also heard from Napa customers what a difference it makes to call and get a live person on the line. No voicemail, no callback queue. That’s true around the clock, and it matters when you’re looking at a water stain spreading across the ceiling at 11pm during an atmospheric river. You call (361) 320-9467, a person answers, and we start figuring out when to get to you.
Shingle Roof Repair in Napa
Shingle Roof Repair is the work we do most often on Napa’s older homes, especially the mid-century ranches in Alta Heights and Browns Valley where asphalt shingles have hit 20 to 25 years of age. The heat here is the quiet killer: Napa’s dry summers bake shingles until the granules loosen and the mat underneath starts to shrink, then winter rain finds every seam. A homeowner often calls us for what looks like a small leak near a vent boot, and we find granule loss across half the south-facing slope. On shingle repair, a Napa job typically runs $350 to $1,200, depending on how many squares we’re replacing and what condition the underlayment is in.
Shingle Replacement on Aging Slopes
When shingles reach the end of their useful life on one slope, it’s usually a sign the rest of the roof isn’t far behind. We’ll replace the damaged section, but we’ll also tell you plainly what the remaining shingles look like and how much life is left in them. Sometimes the right call is a repair. Sometimes it’s the beginning of a conversation about replacement. Either way, the price goes on paper before we touch anything.
Vent Boots and Penetrations
On most Napa homes, the shingles around plumbing vent boots and furnace flues fail before the field shingles do. The rubber boot cracks after a decade of UV exposure, and rain runs right down the pipe into the ceiling below. This is one of the cheapest repairs we do, usually under $500, and it’s also the one most likely to have been missed by a previous roofer who just caulked around the base and called it done.
Storm Damage Roof Repair in Napa
Storm Damage Roof Repair in Napa doesn’t just mean the big winds that come off the Mayacamas every winter. It’s the cumulative effect: wind-driven rain, followed by weeks of wet soil and high humidity, followed by another front. The damage shows up as lifted shingles, torn flashing, clogged valleys, and water that finds its way under the tile on Silverado estates and winery roofs. After a storm, Napa repair costs typically land between $500 and $2,500 depending on what’s loose and what’s already been leaking for a while before the storm exposed it.
Wind-Lifted Shingles and Flashing
When a Napa wind event lifts shingles or peels back flashing at a chimney or sidewall, the repair has to account for what’s under the surface. We don’t just nail things back down. We check the underlayment for tears, look at the decking for soft spots, and make sure the original waterproofing detail is still doing its job. If it isn’t, we fix that too, and the price is still written before we start.
Post-Storm Leak Tracing
A stain on the ceiling after a storm is rarely directly under the actual leak. Water travels along rafters, follows the decking, and shows up ten feet away. We trace the leak back to its source before we quote anything, because patching the wrong spot means the stain comes back next month and you’re calling us again. On Napa’s older Victorians and bungalows, where the roof framing runs in every direction, this tracing work matters more than most people realize.
Trusted Brands We Service in Napa
We install materials from GAF, CertainTeed, and Owens Corning, among others, and we’re set up to match existing roofs across Napa without making you wait weeks for a special order. If you’ve got a CertainTeed shingle roof in Alta Heights or a GAF system over in Browns Valley, we can pull the right shingle profile and color so the repair blends instead of looking like a patch. For Napa’s tile roofs, the story is different: the tile itself usually survives, and the work is in the underlayment, flashing, and vent detailing underneath.
Common Roof Repair Problems We See in Napa Homes
- Baked-out underlayment on 1990s tile roofs. Silverado and the winery estates east of Highway 29 were built with clay and concrete tile over underlayment that’s now 25 to 30 years old. Napa’s summer heat bakes that underlayment until it tears, then winter rain gets through and shows up as a soffit stain or ceiling spot far from the actual failure.
- Ember entry through unscreened vents. Since the 2020 Glass Fire, Napa County inspectors and insurers have looked hard at eave and ridge vents. Wind-driven embers during red-flag weather slip past unscreened openings into tile batten cavities, where they sit against dry wood. Screened vents and ember-resistant detailing are now standard on our repairs, and we document what we did.
- Flashing failures on older Victorians and bungalows. The homes downtown and around Fuller Park were built when flashing was thin metal and tar. Chimney flashing, valley metal, and pipe collars fail before the field roof does, so what looks like a small leak often means rebuilding decking once we open the repair.
- South-facing slope degradation. The south and west slopes of Napa roofs take the brunt of the summer sun. On asphalt shingle roofs, those slopes lose granules years before the north slope does. If one slope needs work, we’ll check the others and tell you what we see.
Pricing for Roof Repair in Napa, CA
Here’s what roof repair in Napa actually costs, in plain ranges. A vent boot replacement runs $250 to $450. A leak repair with flashing work runs $600 to $1,800 depending on whether the decking underneath is still sound. Shingle replacement on a small section runs $350 to $1,200. A full valley rebuild with new underlayment and flashing runs $1,200 to $2,800. Tile repairs on Silverado or winery estates start around $800 and go up from there, because the underlayment work underneath is where the real labor goes. Every one of those numbers goes on paper before work starts. Call (361) 320-9467 for a free estimate, and you’ll get a written price, not a ballpark that changes at the door.
We Also Serve Cities Near Napa
Our crews cover more than just Napa. We handle Roof Repair for homeowners in Deer Park, Boyes Hot Springs, Sonoma, and Winters, and the same written-price standard applies no matter the city. If you’re in one of those areas and dealing with a roof that’s leaking or ember-vulnerable, call the same number: (361) 320-9467. Dispatch is coordinated from our San Francisco Bay Area office, and crews serve Napa and the surrounding communities locally.
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 Repair in Napa
Because Napa’s climate and fire-history have changed what a repair has to include. A simple shingle patch on a 1990s tile roof often turns into underlayment replacement, screened vent installation, and ember-resistant detailing once we open the roof and see what’s underneath. The materials cost more, and the labor is real. That’s the honest answer. Call (361) 320-9467 and we’ll tell you what your specific repair actually needs, with a written price before any work starts.
Screened eave and ridge vents, metal drip edge, and Class A cap sheets are the three big ones. Since the 2020 Glass Fire, inspectors and insurers want to see visible, documented ember-resistant detailing. That means we screen every vent we touch, install metal drip edge where the old edge is rusted or missing, and use Class A cap sheets where the repair calls for it. We document all of it, because that documentation is what your insurer is going to ask for at renewal.
Yes, our Napa crews carry thermal-imaging cameras, and we use them in two situations. During red-flag warnings, we can check tile batten cavities for hidden hot embers before they become a problem. And on leak traces, thermal imaging shows us where water is traveling under the surface without cutting exploratory holes in your ceiling. It’s a tool, not a gimmick, and it’s part of how we work on Napa roofs. Call (361) 320-9467 if you want someone to look at what’s happening up there.
The underlayment. The tile itself is usually fine, but the material underneath it was never designed to last this long in Napa’s climate. Summer UV bakes it, winter rain tests it, and eventually it tears. The first sign is usually a soffit stain or a ceiling spot that appears somewhere far from the actual break. When we re-roof or repair these systems, we replace the underlayment with modern ember-resistant material, reset the original tile, and screen the vents to current Napa County expectations.
Look at the line items. A lower quote often means unscreened standard vents, felt underlayment instead of ember-resistant material, or no metal drip edge. A higher quote should tell you exactly what materials are going on the roof and what the guarantee actually covers. Our quotes list every material by brand and type, the price goes on paper before we start, and the 365-Day Done Right Promise says we come back for free if the repair fails within one year. If a quote doesn’t have that level of detail, ask why. Then call (361) 320-9467 and compare against ours.
Written by Travis Oakley, who leads our Napa roof repair work for Brennan Roofing.