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About Capitol Building Supply

Customer service is our number one priority.

We have multiple yard locations and hire professional, knowledgeable, customer-oriented staff.

Capitol Building Supply has 19 conveniently located yards across the region including two in Delaware (Dover, Selbyville), eight in Maryland (Baltimore, Beltsville, Bladensburg, Forestville, Frederick, Gaithersburg, Hagerstown, Upper Marlboro), one in New Jersey (Camden), one in Pennsylvania (Harrisburg), six in Virginia (Manassas, Marshall, Springfield, Stafford, Vienna, Winchester) and one in Washington, D.C. Teaming up with the top brands in the industry, we live by one simple pledge: getting the right products into our customers’ hands as quickly and safely as possible. Our network of yards ensures that you are never too far from our shipping footprint.

Our People

Many of our employees have worked at Capitol Building Supply for over 10 years. We have a number of employees who started their careers in delivery and warehouse positions and later advanced into management. This is a testament to the great culture and work environment that Capitol Building Supply provides. We really define our employees as “family” and truly care about the health and welfare of everyone who works for us.

All of Capitol Building Supply’s employees pride themselves in being hard working, safe, and professional in their key roles. They are the backbone of our success as a company.

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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 19 locations including two yards in Delaware (Dover, Selbyville), eight yards in Maryland (Baltimore, Beltsville, Bladensburg, Forestville, Frederick, Gaithersburg, Hagerstown, Upper Marlboro), one yard in New Jersey (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.