243 Grand Blvd.
Westbury, NY 11590

943 Long Island Ave.
Deer Park, NY 11729

180 Town Line Rd
Kings Park, NY 11754

86 Kroemer Ave.
Riverhead, NY 11901

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 have four locations conveniently located in Westbury, Deer Park, Kings Park 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 and hardscape needs. Come visit our large outdoor and indoor displays.

This complete line of masonry materials and supplies, are 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 FOUR locations!


Click here for information and resources to help you plan and build your dream project.

more info


Click here for resources and information that we’ve compiled for professional contractors.

more info


Take a look at some of the beautiful project ideas that we have gathered together in this project idea gallery.

more info


Use these informative planning and installation guides and videos to help you plan your project.

more info


Click here for all the information you will need to take on any landscaping project you can imagine.

more info

How Can We Help You?

Drop us a line anytime, and one of our customer service reps will respond to you as soon as possible