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Tamko Shingle Repair: The San Jose Owner’s Guide
Tamko shingle repair in San Jose typically runs $350 – $850 for a standard repair of 10 – 20 damaged shingles, including matching materials and labor, and we can usually get to it within a few days depending on weather and the season. Most homeowners find out the hard way: a shingle lifts in a windstorm, granule loss shows up in the gutters, or a leak appears on the ceiling after heavy rain. If you’re seeing bare fiberglass mat, cracked corners, or shingles that have slid out of place, you’re looking at a repair that should not wait. Water doesn’t need much of an opening to do real damage to decking and insulation.
We are Brennan Roofing Co San Jose. We install and repair Tamko shingles in San Jose and the surrounding areas, stock Tamko-compatible shingles and accessories on our trucks, and we are an independent roofing contractor, not a Tamko-owned or Tamko-authorized operation. Our crew has repaired Tamko roofs across San Jose, from Willow Glen to Almaden Valley, and we carry the most common Tamko color blends so the repair doesn’t look like a patch from three houses away.
Which Tamko Models This Applies To
This page covers repair work for Tamko’s three most common shingle lines in San Jose: Heritage, Heritage Premium, and Elite Glass-Seal. The Heritage line is what we see most often on suburban homes here. Heritage Premium is the heavier architectural profile, and Elite Glass-Seal is the traditional three-tab that shows up on older San Jose homes and rental properties.
If you don’t know which line you have, check the bundle wrapper if you saved one from the original install. No wrapper? Look at the shingle edge. Heritage and Heritage Premium are dimensional, meaning they have two layers laminated together and a rough, shadow-line texture. Elite Glass-Seal is flat, three-tab, and has the classic notched bottom edge. You can also measure an exposed shingle: Heritage runs roughly 13-1/4 inches wide by 39-3/8 inches long with a 5-5/8 inch exposure. Getting the exposure right matters more than most people think. A replacement shingle installed with the wrong exposure will lay wrong, catch wind, and fail early.
On the OEM versus aftermarket question: for color matching, OEM Tamko is the right call nine times out of ten. The colored granules are blended in specific ratios, and aftermarket shingles in a “close” color can look noticeably different once they weather a season or two in California sun. The one exception is accessories like ridge cap, starter strip, and leak barrier. For those, we use Tamko where it matters and quality equivalents from GAF, Owens Corning, or CertainTeed where the spec matches and the homeowner is okay with it. Tell me what you’re seeing and I’ll tell you what it actually means. That’s been our approach on Tamko repairs since day one, and it keeps the guesswork off your roof.
Styles & brands we work with






Signs Your Tamko Shingle Repair Is Failing
Here’s what we actually see when a Tamko roof in San Jose starts to go, and what each symptom usually means underneath:
- Granule loss showing up in gutters or downspouts. This is normal light wear at first, but heavy granule loss after rain means the asphalt layer is drying out and the shingle has lost most of its UV protection. Once this starts, the shingle degrades quickly in San Jose’s long dry season.
- Curling or lifting shingle corners. This happens when nails back out or the shingle loses its adhesive seal. On Tamko dimensional shingles, the corners are the fail point because they catch wind well before the center of the shingle does.
- Cracked or torn shingles, especially along the edges. After enough thermal cycling and sun exposure, the fiberglass mat loses flexibility and the shingle will crack rather than flex. The San Jose temperature swing from hot afternoons to cool evenings accelerates this on south and west facing slopes.
- Dark stains or moss growth on the shingle surface. On Tamko roofs in shaded San Jose neighborhoods like Rose Garden or parts of Cambrian, trapped moisture feeds moss and algae. The roots work into the asphalt and shorten the shingle’s life measurably.
- Shingles sliding out of place or missing entirely after a storm. This usually means the nails were overdriven or placed in the wrong nailing zone during the original install. It is an installation flaw, and once one shingle moves, the ones around it become exposed and the problem spreads.
See the difference
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AfterReplacement Cost & What’s Included
For Tamko shingle repair in San Jose, here’s the plain-numbers version. A small repair of 1 – 5 shingles runs $350 – $500. Ten to twenty shingles, which is typical after a storm or a localized failure, runs $450 – $850. Larger repairs or repairs involving flashing, underlayment, or decking replacement run higher because you’re not just swapping shingles; you’re repairing the waterproofing system underneath them.
Every estimate we write is a written line-item price before any work starts. That includes matching Tamko shingles, replacement nails, roof sealant, cleanup, and haul-away of old material. If we find decking damage underneath, we will stop, show you photos, and price that repair separately. The number on the paper does not move at the door. That’s the Garrison Standard, and it applies to every repair and install we do in San Jose.
The work itself is backed by our 365-Day Done Right Promise: every Tamko shingle repair is guaranteed in writing for one full year, and if something fails during that year, we come back at no charge and make it right.
DIY or Call Us?
Walking a roof in San Jose is something an owner can do safely if they have a stable ladder, a spotter, and a healthy respect for heights. You can spot the failures from the ground: missing shingles, lifted corners, heavy granule in the gutters. What we’d tell you not to do is get up there with a hammer and a bundle of shingles. The reasons are practical: lifting existing shingles to re-nail is easy to do wrong and easy to damage, especially on an older Tamko roof where the shingles are brittle. The seal strip will tear, the corners will crack, and now your $300 repair is an $800 repair.
There’s also the safety piece. Roof work means working on a slope, often near the edge, with tools in hand. Falls from roofs are serious, and they’re the most common residential roofing injury. If you can see clear damage from the ground, call us at (669) 238-2101 and we’ll do the roof work while you stay on the ground. Estimates are free.
FAQs
Tamko architectural shingles like Heritage typically last 20 – 25 years in San Jose, while three-tab Elite Glass-Seal runs 15 – 20 years. South and west facing slopes in San Jose lose lifespan faster because of direct afternoon sun and heat, so a slope that bakes all day may age out on the shorter end. Regular inspection and small repairs will help you get the full life out of the roof. Call (669) 238-2101 and we’ll tell you exactly what condition your Tamko roof is in.
Yes, individual Tamko shingles can be repaired or replaced without touching the rest of the roof, provided the decking underneath is sound and the shingles around the damaged one are still well-sealed. If the surrounding shingles are brittle or cracking, a patch may not hold. We’ll know within ten minutes of being on the roof. Reach us at (669) 238-2101 for a free estimate.
A standard Tamko shingle repair of 10 – 20 shingles takes one to three hours on site, assuming the decking is intact. If we find water damage to the decking or underlayment, the repair extends by a day because the damaged wood has to come out and be replaced properly. We’ll give you a written price and a clear time range before any work starts.
We carry Tamko Heritage and Heritage Premium shingles on our trucks in the most common San Jose color blends, along with Tamko-compatible accessories and materials from GAF, Owens Corning, and CertainTeed for specialty applications. If your blend is discontinued, we’ll source the closest current Tamko match and show you a sample against your roof before we start.
Written by Travis Oakley, Owner, Brennan Roofing Co – San Jose, CA at Brennan Roofing Co San Jose, serving San Jose and nearby areas.