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Washington Marble & Granite Co.

Family-owned and operated started as a tile company out of Washington DC Called Ganassa Brothers Inc. in 1958. Upgraded to R. Ganassa Tile Co. Inc and Washington Marble & Granite in 1988.

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Our Sister Companies

R. Ganassa Tile Co., Inc

Specializing in commercial and high-end residential projects incorporating tile and dimensional stone – including flooring, stone wall cladding, and bathrooms.

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The Washington Kitchen Gallery

They are here to help navigate you through the many design decisions that you will need to make. They will explain every step of the way so that you can make the decision that is best for you.

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Proud Participants of the Gary Sinise Foundation

We are proud to participate in helping the Gary Sinise Foundation build smart homes for wounded veterans of the military. We custom engineer our stonework to fit the unique needs required in each of these homes.

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National Tile Contractors Association Member
Natural Stone
Institute Member
Stone Fabricators
Alliance Member