Roofing, Siding & Exterior Remodeling in Lafayette

We serve Northern California across three regions: the San Francisco Bay Area (six counties from Alameda to Santa Clara), Greater Sacramento (Sacramento out to Roseville, Folsom, and Davis), and the Central Valley (Stockton to Modesto). Our crews are based in Castro Valley. We handle permits and know the building codes for each jurisdiction, which matters because requirements and fees vary significantly between cities.

We offer $0-down financing with approved credit, 12-month same-as-cash plans, and extended terms up to 15 years for larger projects. You only pay for completed, inspected work — we never ask for full payment before the job is done. Your project manager will walk you through every option during your estimate appointment. We also accept checks, ACH, and all major credit cards.

Yes. CSLB License #1078806 — verify it anytime at cslb.ca.gov. We carry $2M general liability, full workers’ comp, and are bonded per California law. We hold GAF Master Elite, Owens Corning Preferred, CertainTeed ShingleMaster, and James Hardie Elite Preferred certifications — each requires annual training and quality audits to maintain. We’re happy to provide proof of insurance before any work begins.

Most exterior projects in Northern California require a building permit. Fees vary by city — Oakland runs $200–$600, Peninsula cities often more. We handle the entire permit process: application, plan submission, and scheduling inspections. Permit fees appear as a separate line item in your estimate so you’ll see every cost upfront. For homes in WUI fire zones (Berkeley Hills, Oakland Hills, parts of Marin), we ensure full compliance with local fire-rated material requirements.

Costs in Lafayette reflect the premium market and local labor rates. Roof replacements typically run $18,000–$40,000 for a standard home, siding from $34,000–$65,000, and window replacements from $800–$1,500+ per window depending on type and frame material. ADUs range from $300,000–$600,000. With median home values at $1,900,000 in Lafayette, these improvements are strong investments. We provide free, itemized estimates for every project — no hidden fees.

Lafayette is affluent Lamorinda community with top-rated schools and the Lafayette-Moraga Regional Trail, with housing stock that includes 1950s-60s California ranch and split-levels on quarter- to half-acre lots in Burton Valley, 1930s-40s cottages near downtown, custom mid-century moderns including Cliff May homes in Happy Valley. These homes face specific challenges: aging 1950s-60s roofing stock on second or third replacement cycle, original wood shake needing fire-safe conversion on hillside homes, and dry rot at eaves from decades of thermal cycling. With median home values at $1,900,000, exterior work is a significant investment that demands a contractor who understands Lafayette's unique conditions. Hamilton Exteriors brings local knowledge of Contra Costa County building codes, Title 24 Climate Zone 12 requirements, and climate-specific material selection to every project.

We serve all Lafayette neighborhoods including Burton Valley, Happy Valley, Reliez Valley, The Trails, Downtown Lafayette, and surrounding areas. With a population of 25,500, Lafayette has a wide range of home styles — 1950s-60s California ranch and split-levels on quarter- to half-acre lots in Burton Valley, 1930s-40s cottages near downtown, custom mid-century moderns including Cliff May homes in Happy Valley. Our crews are familiar with the architectural character of each neighborhood and carry materials suited to Lafayette's climate: Summer average 90°F with 5-10 days above 100°F. Protected by hills from fog but exposed to Diablo winds. Winter frost possible. Annual rainfall ~22 inches.

Lafayette's climate — sheltered inland valley with summer highs 88-98°F, Diablo winds funnel through Reliez Valley gap with gusts to 60 mph, VHFHSZ fire zones on hillside lots — creates specific challenges for homeowners. The most common issues we see are aging 1950s-60s roofing stock on second or third replacement cycle, original wood shake needing fire-safe conversion on hillside homes, and dry rot at eaves from decades of thermal cycling. For roofing, WUI fire zones on hillside lots — Class A mandatory. Premium market supports synthetic slate and standing-seam metal. Steep hillside lots add installation complexity. Many HOAs with material/color restrictions. For siding, Original wood lap and board-and-batten on 1950s-60s ranch homes. Happy Valley estates have stone, stucco, and cedar. Hardie Artisan popular for ranch renovations. Premium market supports natural wood and stone. Hamilton Exteriors selects materials proven to perform in Lafayette's conditions and backs every installation with our 50-year warranty.

Yes. With Lafayette's median home value at $1,900,000, exterior upgrades deliver strong ROI. A new roof recoups 60-65% of its cost at resale in the Bay Area, while fiber cement siding (James Hardie) recovers up to 86%. In competitive Lafayette neighborhoods like Burton Valley and Happy Valley, curb appeal directly impacts days on market and final sale price. Hamilton Exteriors helps Lafayette homeowners choose materials that maximize both protection and resale value.

Contra Costa County's inland climate pushes summer temperatures above 100°F in cities like Lafayette, which accelerates shingle aging. We recommend cool-roof-rated asphalt shingles (like Owens Corning Duration COOL) that reflect solar heat and meet California's Title 24 energy standards. Metal roofing is another excellent choice — it reflects up to 70% of solar radiant heat and can reduce cooling costs by 20-40%. Hamilton Exteriors helps you choose the right material for Lafayette's specific microclimate.

Yes. Contra Costa County requires building permits for roof replacements, siding installations, and window changes. Lafayette processes these through the county building department. Hamilton Exteriors handles all permit applications, inspections, and final sign-offs as part of every project — you never have to visit city hall. Typical permit turnaround in Contra Costa County is 5-10 business days for standard residential work.