Capitol Door & Window

Capitol Door & Window is a trusted door and window installation company based in Modesto, California, proudly serving homeowners and businesses throughout Stanislaus County and the surrounding Central Valley. With years of hands-on experience, our team delivers high-quality products and professional installation designed to improve comfort, security, and energy efficiency.

We specialize in replacement windows, entry doors, sliding glass doors, patio doors, custom window solutions, and professional installation services for residential and commercial properties. From product selection to final installation, we focus on clear communication, skilled craftsmanship, and long-lasting results.