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Alexander Window and Doors Company

Door Sales & Installation

About Us

Alexander Company is a family owned door and window replacement business that has been proudly serving the San Francisco Bay Area for over forty years. At Alexander Co., we carry a wide selection of the absolute highest quality windows and doors in San Francisco, and specialize in bringing our customers the absolute best door & window replacement, installation and repair services available in the bay area.

Services Provided

Door Installation, Exterior Door Installation, Sliding Door Installation, Window Installation, Window Replacement, Door Replacement, Siding, Dry Rot Repair

Areas Served

Atherton, Belmont, Brisbane, Broadmoor, Burlingame, Colma, Daly City, El Granada, Emerald Lake Hills, Foster City, Half Moon Bay, Highlands-Baywood Park, Hillsborough, Menlo Park, Millbrae, Montara, Moss Beach, Pacifica, Redwood City, San Bruno, San Carlos, San Francisco, San Mateo, South San Francisco, West Menlo Park, Woo, palo alto, east palo alto, portola valley


Better Business Bureau, Diamond Certified, Partner with HERO Financing Program, EPA lead safe certified firm,

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