The SF Bay Peninsula’s Premier Choice for Replacement Windows & Doors Get A Quote

ABOUT US 2018-03-05T18:40:12+00:00


Family Owned Since 1971

Alexander Company is a family owned and operated business that was started in 1971 and has since served thousands of customers throughout the Bay Area. As a family business we take pride in our work and we are committed to provide the highest quality service to our customers.
– John and Jeff Alexander!

About Alexander Co., Window & Door
Installation in San Francisco CA

Offering Repair and Replacement
of Windows & Doors!

Alexander Company provides the highest quality replacement window and door installations. We do not sub-contract our installations!

Our products are installed by highly-skilled,
in-house craftsmen so that we can ensure your windows will provide outstanding performance for years to come.

“I am extremely happy with [Alexander’s] work. They were genuinely
concerned for my needs and very trustworthy and reliable.”

– Susanna T., Redwood City