State Material Mason Supply was established in 1980. We pride ourselves in providing excellent and personal customer service, an extensive inventory of quality products, and competitive pricing for our customers including homeowners, contractors, builders, and architects.

We are conveniently located in Westbury and Riverhead allowing for pick ups or delivery service from Manhattan to Montauk.

More than 300 vendors provide our locations with over 50 types of stone, 300 types of brick, concrete, and building material. Our beautiful showrooms and stores offer quality hand tools, power tools, as well as supplies for all of your masonry needs. Come visit our large outdoor and indoor displays.

This complete line of masonry materials and supplies, is available every day, and any product not found in stock can be ordered. Special orders and any size orders are promptly filled and shipped.

Stop by one of our two locations!