Capitol Building Supply, Inc.

Capitol Building Supply, Inc.

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Originally founded as Fairfax Building Supply, the company that would become Capitol Building Supply has a legacy 35+ years in the making of providing the best construction products, and exceptional service, in multiple states surrounding the Washington, DC metro area.

Today, as the largest company in the GMS family, CBSI has 500+ employees serving residential and commercial construction customers from 19 yard locations.

Delaware

Dover | New Castle | Selbyville

Maryland

Baltimore | Beltsville | Bladensburg | Frederick | Gaithersburg | Hagerstown | Jessup | Upper Marlboro

New Jersey

Camden | Egg Harbor Township | Elizabeth

Pennsylvania

Harrisburg

Virginia

Fredericksburg | Manassas Park | Marshall | Springfield | Vienna | Winchester

Washington, D.C.

Customer satisfaction, with a “safety-first” approach, is our priority at Capitol Building Supply, Inc. Our commitment to you extends through a range of services, including:

Specialty product orders
Expert advice
Commercial construction delivery
Residential construction delivery
After-hours and weekend deliveries

We generally deliver within a ~100 mile radius of our yard locations, subject to traffic and other considerations.

Building Supplies & Products

Drywall

Our Drywall inventory includes regular and specialty drywall products; fire-rated drywall; Type-X drywall, moisture and mold-resistant drywall; impact-resistant drywall; shaft liner and other drywall accessories.

Steel Framing

Our Steel inventory includes variable lengths and multiple gauges of steel; steel studs; steel framing and other steel products and accessories.

Acoustical Ceilings

Our Acoustical inventory includes acoustical panels; acoustical grids; and other products and accessories for acoustical ceilings.

Additional Products

Other quality building products available at Capitol Building Supply, Inc. include: insulation, hand and power tools and other construction accessories.

Locations

Capitol Building Supply, Inc. - Baltimore

6600 Whitestone Road
Baltimore, MD 21207

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 410-685-1080

Capitol Building Supply, Inc. - Baltimore

6813 Quad Avenue
Baltimore, MD 21237

Mon - Fri: 06:00-04:00

Sat: 07:00-12:00

P: 410-284-2800
F: 410-284-2899

Capitol Building Supply, Inc. - Beltsville

12340 Conway Road
Beltsville, MD 20705

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 301-937-6366
F: 301-937-8710

Capitol Building Supply, Inc. - Bladensburg

4501 46th Street
Bladensburg, MD 20710

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 240-764-1236
F: 240-764-1235

Capitol Building Supply, Inc. - Camden

201 Erie Street
Camden, NJ 08102

Mon - Fri: 7:00am - 4:00pm

Sat - Sun: Closed

P: 856-576-6964
F: 856-576-6971

Capitol Building Supply, Inc. - Dover

5119 N. Dupont Highway
Dover, DE 19901

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 302-678-4601
F: 302-678-8034

Capitol Building Supply, Inc. - Egg Harbor Township

3173 Fire Road
Egg Harbor Township, NJ 08234

Mon - Fri: 7:00am - 4:00pm

Sat - Sun: Closed

P: 609-646-9350
F: 609-383-1967

Capitol Building Supply, Inc. - Elizabeth

850 Flora Street
Elizabeth, NJ 07201

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 908-882-9911

Capitol Building Supply, Inc. - Frederick

8006 Reichs Ford Road
Frederick, MD 21704

Mon - Fri: 5:00am - 4:00pm

Sat - Sun: Closed

P: 240-436-3500

Capitol Building Supply, Inc. - Fredericksburg

16 Baron Park Rd.
Fredericksburg, VA 22405

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 540-368-6678

Capitol Building Supply, Inc. - Gaithersburg

7870 Beechcraft Avenue
Gaithersburg, MD 20879

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 301-921-9207
F: 301-927-9446

Capitol Building Supply, Inc. - Hagerstown

1225 Maryland Avenue
Hagerstown, MD 21740

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 301-739-3090
F: 301-739-1021

Capitol Building Supply, Inc. - Harrisburg

1400 Hagy Way
Harrisburg, PA 17110

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 717-614-8954
F: 717-996-3165

Capitol Building Supply, Inc. - Jessup

8205 Patuxent Range Road
Jessup, MD 20794

Mon - Fri: 6:00am - 4:00pm

Sat - Sun: Closed

P: 443-220-0326

Capitol Building Supply, Inc. - Manassas Park

8429 Euclid Avenue
Manassas Park, VA 20111

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 703-631-6633

Capitol Building Supply, Inc. - Marshall

7595 Capitol Way
Marshall, VA 20115

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 540-364-1202

Capitol Building Supply, Inc. - New Castle

3025 Bowlarama Drive
New Castle, DE 19720

Mon - Fri: 6:30am - 4:00pm

Sat - Sun: Closed

P: 302-501-6020
F: 302-561-9640

Capitol Building Supply, Inc. - Selbyville

36652 DuPont Boulevard
Selbyville, DE 19975

Mon - Fri: 6:30am - 4:00pm

Sat - Sun: Closed

P: 302-436-8624
F: 302-436-8631

Capitol Building Supply, Inc. - Springfield

7622 Backlick Road
Springfield, VA 22150

Mon - Fri: 4:30am - 4:00pm

Sat: 6:00am - 12:00pm

P: 703-644-6970

Capitol Building Supply, Inc. - Upper Marlboro

7811 Penn Western Court
Upper Marlboro, MD 20772

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 240-455-0319

Capitol Building Supply, Inc. - Vienna

431 Mill Street NE
Vienna, VA 22180

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 703-281-5151
F: 703-281-4414

Capitol Building Supply, Inc. - Washington

2300 T Street NE
Washington, DC 20002

Mon - Fri: 5:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 202-554-9191
F: 202-863-1364

Capitol Building Supply, Inc. - Winchester

195 Lenoir Drive
Winchester, VA 22603

Mon - Fri: 6:00am - 4:00pm

Sat: 7:00am - 12:00pm

P: 540-662-9142
F: 540-722-2136

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