Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Alum Rock, CA
Roofing in Alum Rock means working on homes built between the 1950s and 1970s, most of them single-story ranches and stucco bungalows with low-pitched composition shingle roofs. The sun does real damage here: intense summer heat cracks shingles and strips granules, and when the winter rains hit, water finds every weak penetration. We’re Brennan Roofing Co San Jose, and we work the Alum Rock neighborhoods every week. If you need a straight answer about your roof, call (669) 238-2101 and talk to a live person.
Why Alum Rock Homes Are Different
Alum Rock’s housing stock has a specific character, and it changes how we approach nearly every job. The classic Alum Rock home is a ranch-style house built in the 1950s through the 1970s, often stucco, often with a low-slope roof. Those low pitches are the source of a lot of trouble. Water moves slowly across them, which gives it time to find its way through aging shingle layers, worn flashing, and old roof penetrations.
Built-in gutters are another Alum Rock signature. On many of these homes, the gutter is part of the roof structure itself rather than a separate metal trough hung at the eave. When a built-in gutter rusts through or separates at a seam, water goes straight into the soffit and fascia. We see it regularly on the ranch homes east of White Road and throughout the foothill streets. Additions and carports complicate things further. Many were framed against the original roofline without proper flashing at the roof-to-wall intersection, and that junction leaks years before the rest of the roof shows wear.
The climate adds pressure. Alum Rock summers are hot and dry, with direct sunlight cooking asphalt shingles for months at a time. Shingles crack, curl, and lose granules faster than in the cooler areas of Santa Clara County. Then the winter rains arrive in short, hard bursts, and every weak point shows itself at once. Homeowners near the foothills also deal with raccoon damage around attic vents and eaves, something we see far more often on the east side than a few miles west.
Styles & brands we work with
Our Main Alum Rock Services
The three calls we get most from Alum Rock homeowners are full roof replacement, targeted repair, and pre-purchase or post-winter inspections. Each service has its own Alum Rock page with local pricing and job detail.
Roofing Company in Alum Rock
Full roof replacement in Alum Rock starts with tearing off the old layers, because many of these homes carry two or three layers of composition shingles from decades of patching. Once the decking is exposed, we replace any rotted sections, install new underlayment and drip edge, and then the new shingle system. We install materials from GAF, CertainTeed, and Owens Corning, and every job starts with a written price. For a complete walkthrough of replacement costs and process, see Roofing Company in Alum Rock.
Roof Repair in Alum Rock
Alum Rock repairs concentrate where the housing stock is weakest: built-in gutters, roof-to-wall intersections at additions, valley flashing, and pipe penetrations. A repair here often means cutting back rusted flashing, replacing the valley metal, and resealing the junction. We also repair raccoon damage around attic vents and eaves, which is a common east-side problem. Every repair comes with the 365-Day Done Right Promise in writing. Details are on the Roof Repair in Alum Rock page.
Roof Inspection in Alum Rock
An Alum Rock roof inspection should tell you two things: how many layers are currently on the roof, and what the valley and penetration flashing looks like. Those two answers usually explain the leak. We walk the roof, check the attic, and give you a written report with photos and specific dollar figures for anything that needs attention, so you can plan. For what we check and what an inspection costs, see Roof Inspection in Alum Rock.
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 service and install shingles and accessories from Boral, GAF, CertainTeed, and Owens Corning on Alum Rock homes. Parts for those lines are stocked at local suppliers, so standard repair materials are usually available same-day. See our brands for what we carry and why we recommend certain lines for certain roofs.
See the difference
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After
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AfterPricing for Roofers in Alum Rock, CA
| Service | Typical range in Alum Rock |
|---|---|
| Full roof replacement (composition shingle) | $9,500 – $18,000 |
| Roof repair (minor leak, flashing, shingle patch) | $450 – $1,800 |
| Roof inspection (written report with photos) | $195 – $425 |
| Built-in gutter repair or replacement | $800 – $2,500 |
| Roof-to-wall flashing repair at addition/carport | $600 – $2,000 |
| Valley flashing replacement | $500 – $1,600 |
| Pipe boot and penetration reseal | $400 – $1,200 |
| Attic vent replacement (raccoon damage repair) | $350 – $900 |
| Decking repair (per sheet, when rot is found) | $110 – $180 |
| Tear-off of extra shingle layers (added to replacement) | $1,500 – $3,200 |
In Alum Rock, the price moves most on whether we find a second or third shingle layer to tear off, and on how much decking needs replacement once the old roof is open. We do not let that number move at the door. The price goes on paper before any work starts, and it stays there.
Neighborhoods We Serve in Alum Rock
We work across the full Alum Rock area, from the flats near Alum Rock Village up into the foothill streets. This is our home territory, and we know which blocks have the heaviest raccoon activity and which housing tracts carry built-in gutter roofs. Typical response time for a scheduled estimate in Alum Rock is one to three business days.
- Alum Rock Village area
- Foothill streets east of White Road
- Neighborhoods along Alum Rock Avenue
- Ranch home tracts near James Lick High School
- Streets bordering Alum Rock Park
Service Area – Cities Near Alum Rock
While Alum Rock is our core service area, our crews also work throughout the surrounding Santa Clara Valley and Peninsula communities. Homeowners in San Jose, CA, Sunnyvale, CA, Redwood City, CA, and Union City, CA call us for the same written-price standard we bring to every Alum Rock job.
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 full roof replacements in Alum Rock do require a permit through the City of San Jose building department, since the neighborhood falls within San Jose’s jurisdiction. Repair work that does not change the roof structure usually does not. We handle the permit process for any job that needs one, and the cost is included in the written price you approve before work starts.
We schedule estimates in Alum Rock within one to three business days in most cases. If you call (669) 238-2101, a live person answers and sets the appointment right then. We do not use voicemail queues or callback systems.
Know how many layers of shingles the roof has, whether your home has built-in gutters, and where you have seen water or staining inside. If you do not know the answer to the first two questions, say so, and we will check during the inspection. The inspection report will tell you exactly what is there and what it will cost to fix. Call (669) 238-2101 for a free estimate.
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
"Neat, quiet, and disciplined crew. Magnet swept the yard after."
- Tonya R."Crew lead is a veteran and runs the job like it. Showed up at 7 sharp, tarped the garden, tore off the old roof, and had the new shingles on by the end of day two."
- Joe K."Storm took off a section of shingles. They were here next morning to tarp it and finished the repair that week."
- Elaine D.