Capitol Building Supply

Top quality commercial and residential construction
products delivered on-time to your jobsite.

Commercial Deliveries

At Capitol Building Supply we understand that safe, on-time
jobsite delivery is the most important service we provide.

Residential Deliveries

As a part of our long-term commitment to customer service, we are
dedicated to providing efficient, accurate, and timely home deliveries.


Delivering Excellent Customer Service Has Always Been And Will Always Be Our #1 Priority.

Your Source for Construction Products

Providing Drywall, Acoustical Ceilings, Steel Framing & Tools


Drywall Products

November 1, 2014


Steel Framing

November 1, 2014

GMS Lexington Acoustical Pic1

Acoustical Tiles

November 1, 2014


Tools & Accessories

November 1, 2014

Why Capitol Building Supply

Capitol Building Supply serves both commercial and residential customers and offers the largest inventory of construction supplies in Maryland, Virginia, and Washington D.C. All of our employees pride themselves on being hard working, safe, and professional. Whether you need drywall, insulation, acoustical tile or construction accessories, we’ve got your jobsite needs covered.

Learn More

12 Locations to Serve You

With 12 yards located across Maryland, Virginia and Washington D.C., Capitol Building Supply services a number of major metropolitan areas as well as smaller towns and rural locations. Each of our yards offers delivery service within a 100 mile radius using boom trucks, flatbeds, semi-tractors with trailers, portable forklifts, vans and pickup trucks, and we can provide after hours deliveries as needed.

Learn More

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