Looking for a reliable general contractor in Cupertino? Hamilton Exteriors brings architect-led design-build expertise to your Silicon Valley home. We handle roofing, siding, window replacement, ADUs, home additions, and custom homes — all backed by a licensed architect and general contractor with CSLB #1078806.
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Why Cupertino Homeowners Choose Hamilton Exteriors
Cupertino homes face unique challenges. Summer temperatures regularly exceed 95 degrees, the city sits within the San Andreas fault zone, and foothill neighborhoods fall under CAL FIRE Very High Fire Hazard Severity Zones. Most contractors address one issue at a time. We evaluate your home as a complete system.
Our founder, Alex Hamilton Li, is both a licensed architect and general contractor. That means every project benefits from design thinking and construction execution working together. We do not just install materials — we consider how they perform under Cupertino's specific climate, seismic, and fire conditions.
Our Services in Cupertino
Roofing
Cupertino's hot summers accelerate asphalt shingle aging. Homes in the foothills above Stevens Creek Reservoir require Class A fire-rated materials under California Chapter 7A standards. We install GAF, CertainTeed, and Owens Corning systems with 50-year warranties. A typical asphalt shingle replacement on a 2,000 sq ft Cupertino home runs $19,500 to $24,000, including tear-off, synthetic underlayment, flashing, and permit fees. See our roofing services page for details.
Siding
Fiber cement siding from James Hardie handles Cupertino's temperature swings without warping or cracking. We are James Hardie Elite Preferred contractors, the highest certification level. Siding replacement costs $12,000 to $30,000 depending on home size and material choice. Learn more on our siding services page.
Window Replacement
Energy-efficient windows reduce cooling costs during Cupertino's hot summers. We install vinyl, fiberglass, and aluminum-clad wood windows from major manufacturers. Replacement runs $800 to $1,500 per window installed. Visit our window replacement services page.
ADU Construction
Cupertino permits accessory dwelling units under state law. We handle design, permitting, and construction. A typical one-bedroom ADU costs $200,000 to $350,000. See our ADU construction services page and ADU cost guide.
Home Additions
Second-story additions, kitchen expansions, and master suite additions. We manage all Cupertino building permits and inspections. Additions typically cost $300 to $600 per square foot. Visit our home addition services page and home addition cost guide.
Custom Homes
Ground-up custom home construction in Cupertino. We handle site planning, architectural design, structural engineering, and construction. Pricing varies significantly by scope. See our custom home construction page.
Cupertino Building Permits and Codes
The City of Cupertino Community Development Department oversees all building permits. Permit fees for a roof replacement typically range from $400 to $800. ADU permits run $2,000 to $5,000 depending on project scope. We handle all permit applications and inspections. Visit the Cupertino Building Department for fee schedules and application forms.
Cupertino-Specific Considerations
Fire Risk
Parts of Cupertino, particularly in the foothills west of I-280, fall within CAL FIRE Very High Fire Hazard Severity Zones. Homes in these areas must use Class A fire-rated roofing materials, ember-resistant vents, and defensible space compliant with Public Resources Code 4291. We specify appropriate materials for every fire zone.
Climate
Cupertino averages 15 days per year above 95 degrees, according to NOAA climate data. This heat accelerates wear on asphalt shingles and stresses window seals. We recommend light-colored "cool roof" materials that reflect solar energy and reduce cooling costs by 10 to 25 percent, per Oak Ridge National Laboratory research.
Seismic Risk
Cupertino sits near the San Andreas Fault and within the Santa Clara Valley seismic zone. Older homes — particularly those built before 1980 — may need foundation bolting, cripple wall bracing, or roof-to-wall connections. We assess structural conditions during every inspection and recommend upgrades where needed.
How We Price Projects
Every estimate is fully itemized. You see material costs, labor, permit fees, and cleanup as separate line items. every line itemized. every cost itemized. Pricing ranges reflect typical Cupertino projects:
- Roof replacement: $19,500 to $24,000 (asphalt shingles, 2,000 sq ft home)
- Siding replacement: $12,000 to $30,000 (fiber cement, 1,500 sq ft)
- Window replacement: $800 to $1,500 per window installed
- ADU: $200,000 to $350,000 (one-bedroom)
- Home addition: $300 to $600 per square foot
All prices include permits, materials, labor, and cleanup. Structural repairs, if discovered during work, are quoted separately at a per-unit price disclosed in your estimate.
Get Your Free Quote
Ready to discuss your Cupertino home project? Call (650) 977-3351 or request a free on-site estimate online. We serve all Cupertino neighborhoods and the surrounding Santa Clara County communities.
Get Your Free Quote
Hamilton Exteriors. CSLB #1078806. Licensed, bonded, and insured. Serving Cupertino and the Bay Area since 2018.
