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Replacement Windows, Doors & Skylights Since 1971

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The SF Bay Peninsula's 1st Choice for  Replacement Windows and Doors - Located in Burlingame Off Highway 101

Lic. No. 642553

650-288-0813

Alexander Company is a family owned door and window 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. Our honest, and highly trained service department is committed to providing each and every one of our door and window customers with complete satisfaction, no matter how large or how small the job. In addition to providing the finest replacement windows and doors in San Francisco, CA, we stand behind the quality of our work 100%. So if your home is in need of door and window replacement, installation and repair, we hope that you’ll call Alexander Co., the best in the Bay Area at 650-373-3900. Feel free to explore our website for more information.   

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QUALITY WORKMANSHIP
Alexander Company provides the highest quality in window and door installation. We do not sub-contract out 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.

SATISFIED CUSTOMERS
"I am extremely happy with [Alexander's] work. They were genuinely concerned for my needs and very trustworthy and reliable."

- Susanna T., Redwood City

INSTALLATION MASTERS
Get the assurance of  a trained window installer.



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ENERGY STAR
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.

Welcome to Alexander Co

Window Replacement in San Francisco

Proudly Offering Door

Replacement & Installation

We are also licensed to do all general construction work as well. Click HERE for details

REPLACEMENT WINDOWS & DOORS SINCE 1971

Alexander Co. has a wide selection of replacement windows and doors from the leading manufacturers, all at competitive prices.  Come check out our online showroom of doors & windows to see pictures of our beautiful line of products.  Whether you are in the market for replacement window and doors, door repair or window repair, or window installation services, Alexander Co. offers the broadest range of styles and materials in the San Francisco Bay area. Vinyl, Fiberglass, Wood and Aluminum, French Doors, bay windows are just some of the many options that we provide our customers. If you’re in the mood to come see our selection first-hand, then please feel free to come stop by our showroom at 1322 Marsten Road in Burlingame, CA to see our selection and to speak with one of our door & window experts today!


THE BEST BRANDS of DOORS & WINDOWS IN THE BAY AREA

Now Featuring Simonton

WE ARE PROUD TO CARRY THERMA-TRU ENTRY DOORS CLICK HERE

ENTRY DOORS