Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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Before
AfterRoofers in Alum Rock, CA
Roofing in Alum Rock is different from roofing in the flatland parts of San Jose, and it comes down to three things: age of the homes, extreme heat and UV at the base of the Diablo Range, and seismic history. Most houses here were built between 1945 and 1965 with low-pitch gable or hip roofs, skip sheathing, and minimal attic ventilation. That combination means deck rot near the eaves, shingles that wear out faster than coastal Santa Clara County, and flashing that loosened during the 1989 Loma Prieta quake and still leaks today when the first atmospheric river hits. If you need a roofer in Alum Rock, call Brennan Roofing at (361) 320-9467 and we’ll put the price in writing before any work starts.
Why Alum Rock Homes Are Different
Alum Rock sits where the East Foothills meet the valley, and the terrain shapes how roofs fail here. Summer daytime temperatures routinely pass 95°F, and the intense UV breaks down asphalt shingles faster than homeowners expect. Winter is the opposite problem: driving rain from atmospheric river events finds every gap. The original post-WWII tract homes, most with 2×4 rafters and skip sheathing, were often reroofed once with 30-lb felt but left with inadequate attic ventilation. That traps heat and moisture, and we regularly find deck rot near the eaves that a visual inspection from the ground misses.
The seismic piece matters more than most people realize. After Loma Prieta, many Alum Rock roofs developed hairline cracks at ridge and hip intersections. They only show up as leaks during the first big winter storm. Local roofers know to inspect chimney flashing and valley metal first, because the shaking loosens those fasteners before it damages the field shingles. A reroof here is also often the trigger to bring the roof structure up to current shear-wall and tie-down codes, work that flatland San Jose contractors rarely deal with. The wildfire interface in the adjacent hills is pushing more homeowners toward Class A fire-rated assemblies and ember-resistant vents.
Our Main Alum Rock Services
Alum Rock homeowners call us most often about full roof replacement and targeted repairs, with inspections following close behind. Every job starts the same way: a written price in hand before any work begins.
Roofing Company in Alum Rock
Full roof installation and replacement in Alum Rock means dealing with the original framing, the skip sheathing, and the ventilation problems those 1945-1965 tract homes carry. We install materials from GAF, CertainTeed, and Owens Corning, and we explain the tradeoffs in plain English: underlayment, drip edge, flashing, and decking all get defined before you choose. Travis Oakley runs the crew, and every technician arrives background-checked and in uniform. The 365-Day Done Right Promise backs the work in writing for a full year. Roofing Company in Alum Rock has the full breakdown.
Roof Repair in Alum Rock
Alum Rock repairs are never just about replacing a few shingles. The post-1989 chimney flashing, the valley metal, the ridge caps, and the rotted eave decking all feed into leaks that return if the underlying cause isn’t fixed. We write the repair scope on paper, with the price, before the first tech sets foot on the roof. The guarantee is in writing for one full year, and if the repair fails within that period, we come back free. Roof Repair in Alum Rock covers costs and common repair types.
Roof Inspection in Alum Rock
An inspection in Alum Rock should start with the chimney flashing and valley metal, then move to the eaves for deck rot and the ridge for post-earthquake cracks. We document what we find in plain language, with photos and a written report you can keep. No pressure, no upselling. If the roof is fine, we tell you it’s fine. Roof Inspection in Alum Rock explains the inspection process and what it costs.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Alum Rock
We install and repair GAF, CertainTeed, and Owens Corning roofing systems in Alum Rock, and we stock common parts locally so repairs don’t stall waiting on shipment. Each brand has real tradeoffs in heat resistance and fire rating, and we explain those plainly. See our brands for the full line.
Pricing for Roofers in Alum Rock, CA
| Service | Typical range in Alum Rock |
|---|---|
| Asphalt shingle roof replacement | $8,500 – $16,500 |
| Standing seam metal roof | $18,000 – $35,000 |
| Roof repair (minor leak) | $350 – $800 |
| Roof repair (moderate, flashing/valley) | $800 – $2,000 |
| Roof inspection | $195 – $395 |
| Underlayment replacement | $3,500 – $7,000 |
| Deck repair (per 4×8 sheet) | $150 – $300 |
| Ventilation correction (eave/ridge) | $1,200 – $3,000 |
| Skylight flashing repair | $450 – $900 |
| Chimney flashing replacement | $600 – $1,400 |
| Gutter replacement | $1,500 – $4,000 |
| Ember-resistant vent upgrade | $800 – $2,500 |
What pushes the price up in Alum Rock is deck rot near the eaves, hidden earthquake damage at the ridge and hips, and the need to bring the roof structure up to current shear-wall and tie-down code during a replacement. We give you a written line-item price before any work starts, and that number does not move at the door.
Neighborhoods We Serve in Alum Rock
We work across the full Alum Rock area, from the valley floor up into the foothills. Response time for estimates is typically one to two business days across the entire area.
- Alum Rock Village
- East Foothills
- Little Portugal
- Mayfair
- Mount Hamilton Road corridor
Service Area – Cities Near Alum Rock
Brennan Roofing dispatches Alum Rock crews locally, with scheduling coordinated from the brand’s San Francisco Bay Area office. If you’re nearby, we also cover San Jose, CA, San Francisco, CA, Los Angeles, CA, and San Diego, CA.
Serving Alum Rock, CA - Our Local Coverage Area
We’re based in the Alum Rock 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 Roofers in Alum Rock
Most inspections in Alum Rock are scheduled within one to two business days. We confirm the appointment window in advance, and the technician shows up inside that window. Call (361) 320-9467 to schedule.
Yes, most roof replacements in Alum Rock require a permit, and we pull it as part of the job. If the scope includes structural upgrades for shear-wall and tie-down code compliance, the permit process covers that too. The written quote includes permit costs.
No. We inspect before we quote, and if we find hidden deck rot or earthquake damage, it goes into the written price before you approve anything. The number on the paper is the number you pay. Call (361) 320-9467 for a free estimate.
If you’re dealing with a leak, worn shingles, or a roof that hasn’t been inspected since Loma Prieta, call Brennan Roofing at (361) 320-9467. We’ll give you a written price before any work starts, and we’ll back the job with the 365-Day Done Right Promise, in writing, for a full year.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Alum Rock Customers Say
"Quality work and clear communication. Rain pushed the start by two days, which is fair, but we were hoping to be done sooner."
- Cathy N."Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."
- Elaine D."Ridge vent added and the attic is cooler. Fair price compared to the other two quotes."
- Vernon C.