Alexander Company

Alexander Company is a family-owned window and door installation provider serving the SF Peninsula since 1971, offering replacement windows, doors, skylights, and entry doors from top brands. The company emphasizes precision installation and craftsmanship, with certified installers on staff (no subcontractors) and maintains a showroom in Burlingame, California. They are Diamond Certified, BBB A+ accredited, and offer free in-home consultations for customers seeking to improve curb appeal and insulation.