Alexander Company

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Replacement Windows, Doors & Skylights Since 1971

Alexander Company is a family owned business that has been serving the San Francisco Bay Area for over thirty years. We carry a wide selection of top quality replacement windows and doors and we are committed to providing our customers with total satisfaction.

Window and Door Questions? Betty's got the answer.

We have a wide selection of Energy-Star replacement windows and doors that can save up to 15% on your heating and cooling costs and protect your fabrics from sun damage.

Mention that you saw us on the Web and receive a special discount.

Quality Workmanship 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 replacement 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."

The Best Brands at Competitive Prices Alexander has a wide selection of replacement windows and doors from the leading manufacturers, all at competitive prices. Vinyl and aluminum, French Doors, bay windows and much more. Stop by our showroom to see our selection.