• Paving Brick & Wall Systems

    Paving Brick & Wall Systems

  • Flagstone & Slate

    Flagstone & Slate

  • Building Stone

    Building Stone

  • Wallstone

    Wallstone

  • Boulders & Gravel

    Boulders & Gravel

  • Natural Thin Stone Veneer

    Natural Thin Stone Veneer

  • Specialty Products

    Specialty Products

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    Eldorado Stone

Irwin Stone

Irwin Stone has been supplying Washington area homeowners, contractors, professional landscapers and masons with a large variety of stone products for over seventy years. Irwin's commitment to quality products and outstanding customer service sets it apart from its competitors.

irwinstone.jpgHoliday Hours

Thanksgiving  Closed Thursday, November 24; Open Friday, November 25 from 7:00 AM until 1:00 PM; Open Saturday, November 26 from 9:00 AM until 1:00 PM; Closed on Sunday, November 27.

Christmas - Closed Saturday, December 24 thru Sunday, January 1; Reopen on Monday, January 2.

Hours of Operation

  • Rockville

    Mon-Fri 7:00 AM - 4:00 PM, Sat: 9:00 AM until 1:00 PM

  • Frederick

    Mon-Fri 7:00 AM - 4:00 PM, Sat: 9:00 AM until 1:00 PM

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Delivery Service

Irwin Stone can provide delivery service to any part of the greater Washington, Maryland and Virginia region.  Deliveries are typically made Monday through Friday with at least one day of advanced notice.  Our fleet includes four different types of trucks depending of the type of material to be delivered.  If you prefer one type of truck over another, please let us know and we will try to accommodate your wishes.

Irwin Stone Recent Blog Posts

  • Solid Stone Steps are Making a Comeback

    Solid Stone steps are a stylish way to handle a grade change.

    Saturday, October 29

  • Using Gravel Instead of Mulch

    Using dark gravel as a ground cover will save time & money, year after year.

    Saturday, September 24

  • Replacements for Stoneyhurst Building Stone

    For years, Stoneyhurst Quarry was one of several quarries producing the most dominant building stone in the Washington, DC area. The quarry was located near Potomac and was closed several years ago. Stoneyhurst stone was predominantly brown and blue in color, readily available and located centrally for the residential boom that has taken place since the 1960’s. Since the closing of the Stoneyhurst Quarry, architects, builders and masons have approached us, looking for stone with similar colors and features.

    Tuesday, July 5

  • Light Colored Flagstone

    Tan flagstone has become a popular selection during the summer. Find out why this choice is HOT.

    Friday, July 1

  • Freestanding Outdoor Fireplaces

    Find out why this structure is so popular among outdoor renovation enthusiasts.

    Friday, July 1

View the Irwin Stone blog