Roofing, Siding & Exterior Remodeling in Brentwood

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 Brentwood reflect the mid market and local labor rates. Roof replacements typically run $10,000–$20,000 for a standard home, siding from $18,000–$34,000, and window replacements from $450–$800 per window depending on type and frame material. ADUs range from $180,000–$400,000. With median home values at $810,000 in Brentwood, these improvements are strong investments. We provide free, itemized estimates for every project — no hidden fees.

Brentwood is fast-growing East Bay suburb at the base of Mt. Diablo with master-planned communities and Delta proximity, with housing stock that includes 1990s-2000s two-story stucco production homes in Shadow Lakes and Deer Ridge, 2000s-2010s Mediterranean and California Contemporary in master-planned communities, and Summerset 55+ active adult community. These homes face specific challenges: premature stucco cracking on 2000s homes from extreme thermal cycling (40°F nights to 105°F+ days), composition shingle granule loss from UV/heat, and faded paint within 5-7 years on south/west exposures. With median home values at $810,000, exterior work is a significant investment that demands a contractor who understands Brentwood'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 Brentwood neighborhoods including Shadow Lakes, Deer Ridge, Summerset, Brentwood Hills, Downtown Brentwood, and surrounding areas. With a population of 67,200, Brentwood has a wide range of home styles — 1990s-2000s two-story stucco production homes in Shadow Lakes and Deer Ridge, 2000s-2010s Mediterranean and California Contemporary in master-planned communities, and Summerset 55+ active adult community. Our crews are familiar with the architectural character of each neighborhood and carry materials suited to Brentwood's climate: Summer average 95°F with 25+ days above 100°F — hottest CCC city. Delta breeze provides evening cooling. Extreme diurnal swings. Winter frost common. Annual rainfall ~12 inches — very dry.

Brentwood's climate — one of the hottest cities in Contra Costa — summer highs routinely 95-108°F with Delta winds, extreme diurnal swings of 35-40°F, and Diablo wind events with single-digit humidity — creates specific challenges for homeowners. The most common issues we see are premature stucco cracking on 2000s homes from extreme thermal cycling (40°F nights to 105°F+ days), composition shingle granule loss from UV/heat, and faded paint within 5-7 years on south/west exposures. For roofing, Climate Zone 12 cool-roof requirements. Extreme heat shortens shingle life to 15-18 years. Concrete tile gaining popularity. Most homes 15-25 years old — first major replacement wave underway. Flat lots make installation straightforward. For siding, Almost entirely stucco (95%+). Production homes crack at window corners from thermal cycling. Elastomeric coatings standard maintenance every 8-10 years. Summerset has lower-maintenance stucco with stone accents. Hamilton Exteriors selects materials proven to perform in Brentwood's conditions and backs every installation with our 50-year warranty.

Yes. With Brentwood's median home value at $810,000, 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 Brentwood neighborhoods like Shadow Lakes and Deer Ridge, curb appeal directly impacts days on market and final sale price. Hamilton Exteriors helps Brentwood 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 Brentwood, 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 Brentwood's specific microclimate.

Yes. Contra Costa County requires building permits for roof replacements, siding installations, and window changes. Brentwood 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.