Water Mill Building Supply is a part of Trade Supply Group, a company that specializes in the distribution of building materials for both trade and retail customers. Located in Water Mill, New York, Water Mill Building Supply offers a wide range of products and services to meet the needs of contractors, builders, and homeowners. At Water Mill Building Supply, our team is dedicated to providing the best possible service to our customers.

We understand the importance of quality materials and strive to offer a comprehensive selection of building supplies. Whether you're building a new home, remodeling, or working on a DIY project, we have the products you need to get the job done right. From lumber and plywood to hardware and bath fixtures, Water Mill Building Supply has everything you need for your construction or renovation projects.

Our experienced staff is ready to assist you with product selection, provide expert advice, and ensure that you have a seamless experience from start to finish. Choose Water Mill Building Supply for all your building material needs and let us help you bring your vision to life