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Showrooms & Customer Pick-ups

Come on in, we'll show you around!

Capitol Building Supply wants to be your one stop shop.

All of our showrooms are open to the public – not just to account holders. You will find them bright, inviting and well-stocked with a full line of construction products as well as specialty products and full installation information. We are also a drop off point for repair services for DeWalt and Makita power tools.

Customer Pick-ups

Every day, we strive to have our warehouses operate like well-oiled machines. All of our facilities are designed to ensure speed and accuracy when filling your orders. Customers can will call orders in advance or they can visit our showrooms to speak directly with our knowledgeable employees about specific needs. Our warehouse people are product savvy and they know how to find the right products in the right quantities. If you don’t see what you need, ask us and we’ll get it for you.

Need to talk to an expert to help with your next project?

Experienced and helpful customer service representatives are standing by ready to help.
call CONTACT US
About Us

Teaming up with the top brands in the industry, we have one simple pledge: to get the right products into our customers' hands as quickly and safely as possible.

Our Services

Capitol Building Supply carries a full range of commercial and residential construction supplies, and our crews are fully trained to deliver to all sites.

Our Locations

Our delivery fleet is dispatched from 20 locations including two yards in Delaware (Dover, Selbyville), eight yards in Maryland (Baltimore, Beltsville, Bladensburg, Forestville, Frederick, Gaithersburg, Hagerstown, Upper Marlboro), two yards in New Jersey (Bayonne, Camden), one yard in Pennsylvania (Harrisburg), six yards in Virginia (Manassas, Marshall, Springfield, Stafford, Vienna, Winchester), and one yard in Washington, D.C.

Contact Us

For more information about how to contact us, visit our Find a Yard page. Or, click the Contact Us tab to send us an email.