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

Your Source for Construction Products

Providing Drywall, Acoustical Ceilings, Steel Framing, Insulation & Tools

Why Capitol Building Supply

Capitol Building Supply serves both commercial and residential customers and offers the largest inventory of construction supplies in Delaware, Maryland, Pennsylvania, 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.

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18 Locations to Serve You

With 18 yards located across Delaware, Maryland, Pennsylvania, 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.

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