Looking for a reliable general contractor in Milpitas? Hamilton Exteriors provides architect-led design-build services for Milpitas homeowners, including roofing, siding, window replacement, ADU construction, home additions, and custom homes. We are licensed (CSLB #1078806), bonded, and insured, and we serve all of Santa Clara County.
Why Milpitas Homeowners Choose Hamilton Exteriors
Most Milpitas contractors offer trades-only services. Hamilton Exteriors is different. Our founder, Alex Hamilton Li, is a licensed architect and general contractor (CSLB #1078806). This means every project benefits from an architect's design perspective combined with a contractor's construction expertise. We see your home as a complete system, not just a collection of parts.
We have completed over 500 projects across the Bay Area since 2018. Our approach is straightforward: fully itemized estimates, clear pricing, and a dedicated project manager on every job.
Our Services in Milpitas
Roofing
Milpitas homes face the same Santa Clara County climate conditions as the rest of the valley: hot summers that can exceed 95 degrees Fahrenheit. Asphalt shingles remain the most popular choice, but metal roofing is increasingly common in hillside neighborhoods for its fire resistance and energy efficiency. We install all major material types:
- Asphalt shingles (GAF Timberline HDZ, CertainTeed Landmark, Owens Corning Duration)
- Metal roofing (standing seam, corrugated, stone-coated steel)
- Tile roofing (clay and concrete)
- Flat roofing (TPO, PVC, modified bitumen)
Every roof replacement includes tear-off, synthetic underlayment, new flashing, and ridge vent installation. We handle all Milpitas building permits. See our full roofing services page for details.
Siding
Milpitas homes benefit from fiber cement siding, which resists the thermal expansion and contraction caused by the valley's wide temperature swings. We are a James Hardie Elite Preferred Contractor, the highest certification level for fiber cement installation. Options include:
- James Hardie fiber cement (HardiePlank, HardiePanel, HardieTrim)
- Wood siding (cedar, redwood)
- Stucco and synthetic stucco
- Vinyl siding
Siding replacement typically costs $8,000 to $25,000 for a standard Milpitas home, depending on material and square footage (Hamilton Exteriors 2024-2026 project data).
Windows
Energy-efficient window replacement reduces cooling costs during Milpitas's hot summers. We install windows from major manufacturers that meet California's Title 24 energy code requirements. Double-pane, low-E glass is standard. Window replacement costs range from $800 to $1,500 per window installed, depending on size and material (vinyl, fiberglass, or wood). See our window replacement services.
ADU Construction
Milpitas homeowners are adding accessory dwelling units at a growing rate. We handle the full process from design through permit to construction. Typical ADU costs in Santa Clara County range from $200,000 to $400,000 for a detached 1-bedroom unit, including permits, site work, and all finishes. See our ADU construction services and ADU cost guide.
Home Additions
Adding square footage to your Milpitas home requires careful structural planning, especially given the seismic considerations in Santa Clara County. The San Andreas, Calaveras, and Hayward faults all influence building code requirements. We design additions that match your home's existing architecture while meeting current code. See our home addition services and home addition cost guide.
Custom Homes
For homeowners starting from scratch, we offer full custom home construction. Every project is architect-led from concept through completion. We handle site planning, structural engineering, permit processing, and construction. See our custom home services.
Building Permits in Milpitas
Every major exterior project in Milpitas requires a building permit. The Milpitas Building Safety Division handles all residential permits. Permit fees vary by project type:
- Roof replacement: $300 to $700
- Siding replacement: $200 to $500
- Window replacement: $100 to $300 per window
- ADU: $3,000 to $8,000
- Home addition: $2,000 to $6,000
Hamilton Exteriors pulls all permits on your behalf. We know the Milpitas inspection process and schedule inspections to keep your project on track. Visit the Milpitas Building Safety Division for official fee schedules and requirements.
Milpitas Climate and Construction Considerations
Milpitas sits in the Santa Clara Valley, where summer temperatures regularly exceed 95 degrees Fahrenheit. This heat affects material selection:
- Roofing materials should have high solar reflectance (Cool Roof ratings) to reduce cooling costs
- Siding materials need to handle thermal expansion without warping
- Window glazing should meet Title 24 energy performance standards
The valley floor has liquefaction zones, particularly near Coyote Creek and the former salt ponds. If your Milpitas home is on an alluvial plain, foundation work or structural reinforcement may be needed for additions or ADUs. We assess these conditions during the initial site visit.
Fire Safety in Santa Clara County
While Milpitas itself is not in a designated Wildland-Urban Interface zone, the Santa Clara County foothills — including parts of Cupertino and the Los Gatos hills — are classified as Very High Fire Hazard Severity Zones by CAL FIRE. Homes in these areas require Class A fire-rated roofing materials and Chapter 7A compliant construction. If your Milpitas property borders open space or hillsides, we will discuss fire-safe material options during your consultation.
Get Your Free Quote
Ready to start your Milpitas home exterior project? Call us at (650) 977-3351 or Get Your Free Quote online. We will schedule an on-site inspection and provide a fully itemized estimate within 48 hours.
