Summer SALE!!!:
15% OFF all yearly plans
Use year15 at checkout. Expires 1/1/2021

Full Service Stone Dealer and Building Supply Offering Quality Products & Unmatched Service.

Owner Message
  • Tri State Stone Co. has been family owned and operated since 1926. The quarries flagship product is Carderock Stone. This beautiful building stone is a mica-schist quartzite, with horizontal and vertical cleavage making it easy to work into numerous installation styles.

Additional information
  • Hours: Mon-Fri 7:30am-4pm, Sat 7:30am-11:30am
  • Payments: American Express, Discover, Master Card, Visa
  • Neighborhoods: Potomac, Bethesda
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