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AfterFlashing Repair in San Jose, CA
Flashing repair in San Jose typically costs between $350 and $900 depending on the type of flashing, how much of it needs to be replaced, and whether we can reach it safely from a ladder or need staging. Most flashing repairs on a single-story home are completed in one visit, usually within two to four hours. If water is already getting into your home, call us at (669) 274-0078 and we’ll send a crew out for Leak Repair, often the same day.
Flashing is the thin metal material, usually galvanized steel, aluminum, or copper, that seals the joints where your roof meets a wall, chimney, skylight, vent pipe, or valley. When flashing fails, water follows the path of least resistance, which usually means into your attic, down an interior wall, or along a ceiling joist. At Tilehurst Roofing San Jose, we treat a flashing leak as the urgent repair it is: it gets a written price before any work starts, and it gets a written guarantee before the crew leaves your driveway. This is the same standard we apply to every Roof Repair in San Jose, and it’s part of the Kingswell family standard we’ve been building since 2000.
If you’re already seeing water stains, peeling paint near the roofline, or damp drywall around a chimney or skylight, don’t wait. Small flashing failures become big ones fast in San Jose’s wet winters, and the repair bill grows with every storm.
When You Need Flashing Repair
Most homeowners don’t think about flashing until they see water where it shouldn’t be. Here are the specific signs we see across San Jose neighborhoods, from Willow Glen to Almaden Valley to Berryessa, that tell us flashing has failed or is about to:
- Water stains on ceilings or walls after rain. If the stain appears near a chimney, skylight, or where an exterior wall meets the roofline, the flashing at that joint is the usual suspect. Water stains below a dormer or a second-story wall often trace back to step flashing that’s pulled away from the wall.
- Lifted, curled, or missing flashing pieces. You can sometimes see it from the ground: a strip of metal pulling away from a chimney or a vent pipe with exposed nail heads and no sealant left. Once flashing lifts, wind-driven rain gets behind it every single storm.
- Rust and corrosion on metal flashing. Galvanized flashing in San Jose lasts a long time, but once the zinc coating is gone, rust sets in. Salt air is less of a factor here than in coastal towns, but years of morning fog and winter rain will eventually eat through thinner flashing, especially around valleys and chimneys.
- Granules from shingles near a chimney or wall. If you’re finding roof granules in your gutter concentrated in one spot, it often means water has been running where it shouldn’t. Flashing failure doesn’t just leak; it accelerates shingle wear along the vulnerable joint.
- Water stains on ceiling around skylights. Skylight flashing is a multi-part system: it includes the curb, the sill flashing, and the head flashing above the skylight. If any one of those fails, water runs straight down into the opening. We repair and replace skylight flashing using materials from manufacturers like GAF and Boral, matched to the skylight and roof type.
- Visible daylight or gaps around vent pipes and roof penetrations. If you’re in the attic and can see daylight around a pipe boot or vent stack, the flashing seal has failed. You’re not leaking yet in dry weather, but the first good rain will find that gap and use it.
One thing to understand about flashing, especially in San Jose’s older neighborhoods like Naglee Park or Rose Garden, is that the original flashing from the 1950s and 60s may have been installed correctly for the time, but it’s well past its useful life now. The caulk and roof cement that once sealed those joints has dried, cracked, and separated. Flashing repair often means removing old, brittle material and re-flashing the joint properly, with metal that’s cut and bent on site to fit the specific roof pitch and wall surface. For flat roofs, a Flat Roof Patch may be needed if the membrane around the flashing has also deteriorated.
Our Flashing Repair Process
When you call Tilehurst Roofing San Jose, you’re reaching the Kingswell family of roofing companies, founded in 2000. Here’s exactly what happens when we come out for a flashing repair:
- You call, a live person answers. No voicemail tree, no “leave a message and we’ll get back to you.” You call (669) 274-0078, tell us what you’re seeing, and we schedule a visit in the window that works for you. Evenings and weekends included.
- We inspect the flashing and the area around it. We don’t just look at the visible metal. We check the underlayment beneath the flashing, the decking where the flashing attaches, and the surrounding shingles for hidden water damage. Often the flashing looks fine from the ground, but up close we find the real issue: a torn underlayment, a rusted nail line, a failed pipe boot.
- You get a written price before any work starts. Always. Not an estimate you have to negotiate, not a number that changes when the crew shows up. The price is in your hands before we touch the roof. If the repair needs more material or a different approach once we open things up, we tell you before doing anything, and we put the revised number in writing too.
- We make the repair with materials matched to your roof. Depending on the situation, we may use galvanized steel, aluminum, or copper flashing. We bend on site to fit exactly. Our material options include GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, but flashing repair usually means custom-bent metal, sealed correctly with the right sealant for the material. We’ll explain what we’re using and why.
- The repair is tested before we leave. We run water on the repaired area if it’s safe to do so, or we visually verify the seal and flashing integrity after the repair. If it needs a follow-up check after the next real rain, we tell you that too.
- You get a written guarantee, in your hand, before we leave. Not mailed later, not promised over the phone. Every flashing repair is covered by our 365-Day Done Right Promise. If it fails inside that year, Tilehurst Roofing San Jose returns to fix it at no charge. That’s the Kingswell Way, and it’s the same guarantee Greg Holloway and the team deliver on every job.
We leave the work area cleaner than we found it. No nails in the driveway, no scraps in the garden bed, no sealant smears on the wall. You hired us to fix your roof, not to create a cleanup project.
Flashing Repair Pricing in San Jose
Flashing repair in San Jose runs from about $350 on the low end for a simple vent pipe boot replacement, up to $900 or more for a large chimney or valley flashing rebuild that requires custom metal work and staging. If you’re wondering How Much Does Roof Repair Cost? (2026 Price Guide) - San Jose, CA, here’s how the pricing typically breaks down, based on the repairs we do across San Jose: Here’s how the pricing typically breaks down, based on the repairs we do across San Jose:
| Repair Type | Typical Cost Range | What’s Included |
|---|---|---|
| Pipe boot / vent pipe flashing replacement | $350 – $550 | Removal of old boot, new flashing sealed at the pipe, shingles reinstalled |
| Step flashing repair (single wall joint) | $450 – $700 | Replacing damaged step flashing where roof meets wall, resealing wall side |
| Chimney flashing repair | $600 – $900 | Custom counter flashing and base flashing, new sealant, possible brick reglet cutting |
| Skylight flashing replacement | $500 – $850 | New head and step flashing around skylight, resealing curb, matching the existing skylight |
| Valley flashing repair | $400 – $750 | Repairing or replacing open-valley metal, underlayment check, shingle edges resecured |
What affects the price most is access. A single-story home in Willow Glen with a 4/12 pitch is faster to work on than a steep roof in the East Foothills or a three-story townhome where the flashing is 30 feet up. If we need staging or specialty ladders, the price reflects the extra time and equipment. We’ll explain that in the written price before we start.
You should also know: replacing flashing is almost always cheaper than replacing the decking, insulation, and drywall that a long-term flashing leak destroys. The flashing repair itself isn’t where homeowners get hurt financially. It’s the leak they let go for two winters. A $600 chimney flashing repair today beats a $7,000 interior and structural repair next spring. Call (669) 274-0078 for a free estimate, and we’ll give you the real number for your roof, not a generic range.
FAQs – Flashing Repair
How much does flashing repair cost in San Jose?
Flashing repair in San Jose typically costs between $350 and $900 depending on what type of flashing has failed and where it’s located. Simple vent pipe flashing replacements run $350 to $550, while larger chimney or valley flashing repairs run $600 to $900. Call (669) 274-0078 for an exact quote on your roof. Estimates are free.
Can you repair flashing without replacing the whole roof?
Yes, and in most cases that’s exactly what we do. Roof Repair for flashing is a localized fix: we remove the failed flashing, check the surrounding underlayment and shingles, and install new flashing sealed correctly. If the shingles around the flashing are still in good shape and the decking is sound, there’s no reason to replace the whole roof. Tilehurst Roofing San Jose will show you the condition of the surrounding materials before any work starts so you know exactly what you’re paying for. Call (669) 274-0078 for a free inspection.
Is it cheaper to repair or replace flashing?
Repairing flashing is almost always the cheaper option, provided the flashing hasn’t deteriorated to the point where it can’t be salvaged. The bigger cost risk is waiting too long: a leaking flashing joint can damage decking, insulation, and drywall far beyond the flashing itself. If a repair will fail again within a year because the surrounding materials are too far gone, we’ll tell you that before you spend a dollar. Either way, you get a written price up front. Call (669) 274-0078 for an honest assessment.
How fast can you come out for a flashing repair in San Jose?
We schedule flashing repairs on the same day or next day whenever the schedule allows, and we answer the phone 24/7, including weekends. If your flashing is actively leaking during a San Jose storm, tell the person on the phone what’s happening and we’ll prioritize your visit. Every call to (669) 274-0078 is answered by a live person, not a voicemail queue, and we’ll get a crew to your home in the window we give you.
Why San Jose Homeowners Call Tilehurst Roofing San Jose
We didn’t build Tilehurst Roofing San Jose to be the cheapest roofer in the South Bay. We built it for homeowners who are done with contractors that don’t show up, price-change at the door, or finish a repair that fails before the next rain. We’re part of the Kingswell family of roofing companies, and we operate by a set of rules the whole family has followed since 2000.
Here’s what that means for your flashing repair:
- A written price before any work starts, every single time. No one touches your roof until you’ve seen the number and agreed to it. If the scope changes, the price changes in writing first.
- A written guarantee on every repair. We hand it to you before the crew leaves. Not an email, not a promise. Paper, in your hand, with the terms spelled out.
- The 365-Day Done Right Promise. If your flashing repair fails within a year of the job, we come back and fix it at no charge. That’s our standard, and it has been since day one.
- Background-checked, uniformed technicians. The person on your roof is the same person we’ve vetted and trained. You’ll know who’s at your home and why they’re there.
- Material choice, not a house brand. If your repair needs shingles or underlayment, we work with GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. You get the right product for your roof, not whatever happens to be in the truck. For flashing specifically, we bend GAF and Atlas metal when the project calls for it, and we’ll explain why we picked the material for your specific repair.
- Live person, 24/7. Call at 6 a.m. or 10 p.m. on a Sunday. A real person answers. No callback queue, no “we’ll get back to you Monday.” This matters most when you’ve got water coming through the ceiling and you need to know someone is on the way.
If you’re dealing with a flashing leak in San Jose, or you suspect one is developing, call (669) 274-0078. We’ll inspect the flashing, give you a written price, and fix it right the first time. And if we don’t, you’ve got the 365-Day Done Right Promise in writing, so you’re not left holding a failed repair and a phone that nobody answers.
Written by Greg Holloway, Owner at Tilehurst Roofing San Jose, serving San Jose.