Construction season will be full steam ahead now that spring has arrived, and the demand for homes is still incredibly high. Contractors need to get their jobs done quickly, but they need quality materials in order to do so. Glenbrook Building Supply offers all of your project needs in one spot, making us a top choice for Twin Cities and Western Wisconsin contractors.


Our business started out as a lumber yard, so we have all types and dimensions of lumber, and our knowledgeable staff is always ready to help. From plywood to laminated veneer lumber to architectural grade cedar, we have you covered.


We offer a variety of products and brands for your roofing and siding needs—we also provide job site and rooftop delivery to make your project as easy as possible.

Windows & Doors

Our two window manufacturers, Marvin and Andersen, are headquartered in Minnesota and have both been in business for over a century, so you can be sure that their products are top-notch. Each brand carries a wide variety of window and door sizes, styles, and materials.

Trim & Stair Parts

We’re your trim & stair parts headquarters! We carry six different brands, all with a wide array of materials and styles. The millwork experts at Glenbrook average 25 years in the building industry, so you can be sure you’ll get the help you need.


Glenbrook Building Supply stocks Moistureshield’s® Elevate™ Decking in colors Riverbank and Alpine Gray, Westbury® Tuscany Railing in Satin Black, and a huge selection of all other composite decking name brands. Stop in and see the many options on display today!

Wall Panels

We partner with our sister company, EdgeBuilder, to offer prefabricated wall panels. These help contractors build faster and better, giving you an edge over the competition. Your wall panels can also be sent to you on an as-needed basis, which saves you room at the job site.

Our showroom is in Oakdale, MN and open to the public—this is especially helpful for contractors who want to bring homeowners along so they can see the products for themselves. Stop in or call us today!