Window Replacement Contractor in Concord

We serve Northern California across three regions: the San Francisco Bay Area, Greater Sacramento, and the Central Valley. Our published guides cover 14 counties and 88 cities. Our Castro Valley and Sacramento offices support local estimating, permit coordination, and project planning across these regions.

Financing may be available for eligible projects with approved credit. Available terms depend on lender approval, project scope, and current programs. Your project manager can review the options that apply before work begins. We also accept checks, ACH, and major credit cards.

Yes. Hamilton Exteriors holds CSLB License #1078806, active general liability coverage, and the required contractor bond. We also hold GAF Master Elite and James Hardie Elite Preferred credentials. We can provide current proof of coverage before work begins.

Permit requirements depend on the project scope and local jurisdiction. Hamilton Exteriors coordinates required applications, plan documents, corrections, and inspections. Permit fees and allowances appear in the proposal before construction begins.

For a typical Concord home with 15 to 20 windows, a full replacement costs $12,000 to $25,000 (Hamilton Exteriors 2024-2026 project data). Per-window pricing breaks down as follows: - Standard double-hung vinyl: $650 to $950 per unit installed - Casement windows: $800 to $1,500 per unit installed - Picture windows: $800 to $2,500 per unit installed - Sliding glass doors: $2,500 to $4,500 installed All prices include removal of existing windows, new flashing, materials, labor, trim, and cleanup.

A typical Concord home with 15 to 20 windows takes 1 to 2 days. Each window takes approximately 45 to 90 minutes to remove, prep, install, insulate, flash, and trim. We install one window at a time and seal each opening before moving to the next, so your home is never left open to the elements.

Yes, most window replacements in Concord require a building permit. The Concord Building Division requires permits when windows are replaced with different sizes or types. Hamilton Exteriors handles all permit applications and inspections for you.

Casement windows provide the best seal and airflow for Concord's hot summers. Their four-side compression seal outperforms sliders and double-hungs for energy efficiency. Picture windows are the most energy-efficient option for rooms where ventilation is not needed.

ENERGY STAR certified windows save Bay Area homeowners $125 to $465 per year according to the U.S. Department of Energy. In Concord's hot inland climate, the savings are typically at the higher end of that range because your AC works less to maintain comfortable temperatures.