Serving 6 Counties Across the Bay Area
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Factory-certified by our manufacturer partners
6
Counties Served
500+
Projects Completed
50-Year
Warranty Coverage
4.8
Google Rating
Service Areas
6 Counties. 47 Cities. One Standard.
Licensed, bonded, and insured across the Bay Area. Find your county below to see what we're building near you.
Alameda County, CA
Oakland · Fremont · Hayward · Berkeley · San Leandro · Dublin · Pleasanton · Livermore · Union City · Alameda · Castro Valley
Contra Costa County, CA
Antioch · Walnut Creek · Concord · San Ramon · Richmond · Lafayette · Orinda · Danville · Brentwood · Pittsburg
Napa County, CA
Napa · American Canyon · St. Helena · Calistoga · Yountville
Santa Clara County, CA
San Jose · Palo Alto · Mountain View · Sunnyvale · Cupertino · Santa Clara · Saratoga · Los Gatos · Campbell · Milpitas
Marin County, CA
Larkspur · Mill Valley · Novato · San Rafael
San Mateo County, CA
Redwood City · San Mateo · Burlingame · Daly City · South San Francisco
Custom Home & Exterior Services in the Bay Area
Custom Homes
Ground-up custom home construction tailored to your vision. From foundation to finishing touches, our team manages every detail to deliver a home designed around how you actually live.
Additions
Expand your living space with seamless room additions that match your home's existing style. Permits, design, and construction managed end-to-end — adding value and square footage.
ADUs
Detached ADUs, garage conversions, and junior ADUs that add living space and rental income. Design through permitting through construction, all under one roof.
Windows
Energy-efficient window replacements that transform your home's comfort and curb appeal. Double-hung, casement, bay, and more — professionally installed with a full warranty.
Roofing
Full roof replacements and repairs with GAF-certified shingles and a 50-year warranty. We handle everything from tear-off to final inspection — most jobs done in 3-5 days.
Siding
James Hardie fiber cement siding that protects your home and looks great for decades. We handle dry rot repair, full replacements, and fresh paint — transforming your curb appeal.
Call now — we pick up in minutes. Or fill out the form above and we'll call you.
21634 Redwood Rd Unit F, Castro Valley, CA 94546
Serving Oakland, Berkeley, Fremont, San Jose, Palo Alto, Walnut Creek, San Rafael, Napa, Redwood City & more across Alameda, Contra Costa, Marin, Napa, San Mateo & Santa Clara counties. All 47 cities →
What Homeowners Say About Our Work
Real reviews from verified Bay Area homeowners.
Hamilton Exteriors did an amazing job on my roof. The team was professional, and the quality of work was top-notch. Highly recommend!
From the very first consultation, we knew we'd made the right choice. The team was knowledgeable and genuinely listened to our concerns about energy efficiency and design. We've already noticed a drop in our energy bills.