1st Choice Windows & Siding is a family-owned home improvement company based in Parker, Colorado, serving homeowners across the greater Denver metro area since 1995. The company focuses on exterior remodeling, combining product options, experienced installation, and personalized customer service. Its offerings include replacement windows in vinyl, wood, and fiberglass, as well as entry doors and sliding patio doors. For siding projects, customers can choose vinyl siding, composite siding, and LP SmartSide. The company also lists solar among its services.

Beyond standard replacements, its licensed general contractor status enables specialized projects, including creating new window and doorway openings. Homeowners can request a free in-home consultation and quote to discuss project needs and budget, and financing plans are available. 1st Choice emphasizes workmanship, clear communication, and long-term value, with manufacturer product warranties and a 10-year installation guarantee. The company reports an A+ rating from the Better Business Bureau and serves communities including Parker, Castle Rock, Aurora, Centennial, Highlands Ranch, and Lone Tree.