Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in San Jose, CA
Roofing in San Jose runs about $5,500 – $14,000 for full replacements and $350 – $1,800 for most repairs, with hillside homes in Evergreen and Silver Creek costing more due to fire-rated material requirements and dual permitting. The city’s unique split between low-slope valley-floor ranches and steep hillside properties means no two jobs use the same approach. We dispatch crews from our Bay Area office and coordinate scheduling locally; call (743) 200-8347 for a free written estimate with your technician’s name and photo sent ahead.
Why San Jose Homes Are Different
San Jose’s housing stock falls into two distinct categories that demand entirely different roofing skill sets. The valley floor holds one of the densest concentrations of 1950s – 1970s low-slope ranch homes in Northern California, concentrated in Berryessa, Alum Rock, Cambrian, and Blossom Hill. Most carry 2:12 – 4:12 pitch roofs that sit at or below the minimum slope for standard three-tab shingles, requiring specialized low-slope membranes or careful manufacturer-approved installation methods that many crews overlook.
Meanwhile, hillside neighborhoods including Evergreen, Silver Creek, East Foothills, and Almaden Valley sit within CAL FIRE-designated High and Very High Fire Hazard Severity Zones. These areas legally require Class A fire-rated roofing assemblies and trigger additional City of San Jose inspection layers that flat-valley neighbors never face. Roofers pulling permits here must navigate both San Jose’s Hillside Development standards and CAL FIRE FHSZ restrictions simultaneously, a dual-compliance situation that routinely catches out-of-area contractors off guard and causes re-inspection failures.
Climate compounds these structural factors. San Jose’s roughly 15 inches of annual rainfall arrives almost entirely between November and April in concentrated storm events, putting maximum stress on low-slope roofs and creating ponding conditions that accelerate membrane failure. Summer heat spikes into the upper 90s and low 100s°F inland and on south-facing Diablo Range slopes, driving faster UV-related granule loss than coastal Bay Area cities experience. Older Victorian and Craftsman-era homes in Willow Glen and Naglee Park add a third category, requiring steeper-pitch repair skills and period-appropriate materials.
Our Main San Jose Services
San Jose homeowners call us most often for repair work on aging low-slope ranches and full replacements on hillside homes facing dual permitting. Each service has its own dedicated San Jose page with detailed pricing and local conditions.
Roof Repair in San Jose
Most San Jose repair calls come from valley-floor neighborhoods where 1960s – 1970s low-slope ranches show ponding damage, lifted flashing, or granule loss from summer UV exposure. We stock membrane patches, self-adhering underlayment, and compatible shingles for the common 3:12 pitches found across Cambrian and Blossom Hill. Every repair includes our written 365-Day Done Right Promise and a free second visit if the fix fails. Roof Repair in San Jose

Roofing Company in San Jose
As a full-service roofing company in San Jose, we handle everything from emergency tarping after winter storm damage to complete re-roofs with Hillside Development and CAL FIRE compliance. Our technicians are background-checked, identity-verified, and Threshold Verified, with their name and photo sent to you before arrival and a photo ID badge presented at your door. Every project starts with a written price, no exceptions. Roofing Company in San Jose

Roof Installation in San Jose
New roof installation in San Jose demands different material specs depending on your zone. Valley-floor ranches often need low-slope-approved architectural shingles or modified bitumen systems, while hillside properties in Evergreen and Silver Creek require Class A fire-rated assemblies with enhanced underlayment. We pull all permits, schedule required inspections, and pass costs through at actual city rates with no markup. Roof Installation in San Jose

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 San Jose
We install and repair using GAF, CertainTeed, Owens Corning, Atlas, and Tamko shingles, with matching ridge caps, starter strips, and underlayment stocked locally for faster turnaround on San Jose repair calls. Full material lists and warranty details are on our brands page.
Pricing for Roofers in San Jose, CA
| Service | Typical range in San Jose |
|---|---|
| Minor leak repair (flashing, small patch) | $350 – $650 |
| Moderate repair (section replacement, decking) | $800 – $1,800 |
| Low-slope membrane repair (3:12 or less) | $900 – $2,200 |
| Architectural shingle replacement (1,500 sq ft, valley floor) | $5,500 – $9,500 |
| Class A fire-rated re-roof (hillside, 2,000 sq ft) | $10,500 – $14,000 |
| Steep-pitch Victorian repair (Willow Glen/Naglee Park) | $1,200 – $3,500 |
| Skylight replacement with flashing kit | $800 – $1,600 |
| Gutter replacement (linear foot, aluminum) | $8 – $15 |
| Chimney flashing replacement | $650 – $1,400 |
| Full roof inspection with written report | $250 – $400 |
Prices run higher in hillside zones due to Class A material costs, additional inspection fees, and steeper access challenges. We provide your written price before any work starts, every time, with no change orders unless you request additional scope.
Neighborhoods We Serve in San Jose
Our crews work across San Jose from the downtown core to the Diablo Range foothills. Most San Jose addresses fall within our standard dispatch zone with next-available scheduling.
- Willow Glen
- Evergreen
- Silver Creek
- Berryessa
- Cambrian
Service Area – Cities Near San Jose
We coordinate dispatch from our Bay Area office and serve the full South Bay corridor. Homeowners in Milpitas, CA, Santa Clara, CA, Sunnyvale, CA, and Campbell, CA can schedule the same Threshold Verified service with written upfront pricing and photo-ID technicians. Each city has its own permitting environment and material requirements, and our crews carry the appropriate specs for each jurisdiction.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 San Jose
Valley-floor permits typically clear in 5 – 10 business days; hillside properties in CAL FIRE zones add 2 – 3 weeks for fire-rated material approval and Hillside Development review. We handle all submissions and inspections as part of our standard process. Call (743) 200-8347 to check current city turnaround times.
Many planned communities in Silver Creek, Evergreen, and Almaden Valley require HOA architectural review, which can take 2 – 4 weeks and often mandates specific shingle colors or profiles. We provide manufacturer data sheets and color samples to support your application. Call (743) 200-8347 and we’ll walk you through the documentation.
Yes. Every Mercer visit includes your technician’s name and photo sent ahead of arrival, plus photo ID badge verification at your door. It’s part of our Threshold Verified standard, and it’s non-negotiable for every San Jose appointment. Call (743) 200-8347 to schedule your 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 San Jose Customers Say
"Great shingles and a clean install. Wish the cleanup had been done the same day, but they came back the next morning and finished it."
- Tasha G."Detailed written quote with the shingle line and warranty spelled out. No surprises at the end."
- Laura B."Honest inspection. He went up, took photos, and told me I had maybe five more years instead of selling a full replacement."
- Xavier L.






Before
After
Before
After
Before
After