Mercer Roofing roofing team

Roofers in San Jose - Free Inspection, Itemized Written Quote

Free roof inspection with photos, then an itemized written price before anything is ordered. Installed by our own licensed crews and backed by a workmanship warranty.

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🛡 Licensed & Insured 📝 Written Fixed-Price Quotes 💲 No Change Orders · Free Estimates
Every visit starts with

Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation

Your new roof for as low as $159/month*on approved credit; ask for current terms
Styles & brands we work with

Architectural shingles
Architectural shingles
Metal roofing
Metal roofing
Tile roofing
Tile roofing
GAF
GAF
Owens Corning
Owens Corning
Flat & low-slope
Flat & low-slope

Before & after – our own jobs

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Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

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.

Call (743) 200-8347

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

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

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

Roof Installation in San Jose
Need help today?Fast, friendly service and a no-obligation free estimate.

Call (743) 200-8347

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 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

Ready to get started? Free estimates · Free in-home estimates response in San Jose
Call (743) 200-8347

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local roofing pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What San Jose Customers Say

★★★★★ 4.8 from 9+ reviews

"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.

How It Works in San Jose

Getting your roofing handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your roofing needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Jose - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

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