Quarry and Yard:
8200 Seven Locks Road, Bethesda, MD 20817

Monday – Friday 7:30 AM – 4:00 PM
Saturday Morning 7:30 AM – 11:30 AM

Driving Directions
We are located off I-495, the Washington, DC Beltway.  Take exit 39 West, towards Potomac.  The first intersection is Seven Locks Road – turn left at the light. We are approximately ¼ mile on the right.

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Contact Us by Mail
Tri-State Stone & Building Supply, Inc.
P.O. Box 34300, Bethesda, MD 20827

Phone: 301-365-2100 | Fax: 301-365-5524

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