Windows 4U serves homeowners throughout Concord, from Clayton Valley and Ygnacio Valley to Dana Estates and Ayers Ranch. We're a licensed East Bay crew that handles every install ourselves, from the first measurement to the final cleanup.
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Concord has a wide variety of home styles, from post-war ranch homes in the flatlands to newer builds near the Clayton hills. We've worked on all of them. Our team handles retrofit installations for homes that need updated windows without disturbing the existing framing, as well as new construction when frames are damaged or when homeowners want to resize openings. We know Concord's building requirements and work cleanly and efficiently on every project.
Vinyl, fiberglass, and aluminum replacement windows for all Concord home styles. Retrofit and new construction options. Single windows to large whole-home projects, all installed on a timeline we commit to at the estimate.
Learn more →Steel and fiberglass entry doors installed with proper weatherproofing, hardware, and security features. Immediate improvement to curb appeal and energy efficiency.
Learn more →Sliding glass doors and patio doors perfect for Concord's warm summers and backyard lifestyles. Energy-efficient glass options keep your home comfortable year-round.
Learn more →Many window companies in the Concord area operate as brokers. They take your order and send out a subcontractor you've never met. We don't work that way. Alex and Leon personally show up to every job with their own crew. You get consistent quality, direct communication, and real accountability.
Concord summers get hot. The right windows and proper installation make a real difference in keeping your home cool without running the A/C all day. We'll walk you through Low-E glass and dual-pane options that pay for themselves in energy savings.
Also serving: Walnut Creek, Pleasant Hill, Lafayette, Danville, Martinez, and surrounding East Bay cities.
Trusted Brands We Install
