From plywood to paint...
tools to trim - we have it all!

Riverhead Building Supply offers eleven convenient locations. Our Long Island locations also include five Design Showrooms plus two Heritage Wide Plank Flooring Showrooms. We also offer two Design Showroom locations in Rhode Island.

Timber Tech

Outdoor living is your passion.
Ours, too.

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Orders. Quotes. Invoices. Electronic Bill Pay. It's all here. Just another way Riverhead is helping you Build Smarter. Build Better. Sign up for online account access today!

Heritage Wide Plank Flooring offers warmth, beauty and enhances the decor of any room.

Manufactured & available exclusively at Riverhead Building Supply.

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Building Materials

Riverhead Building Supply -
Long Island and Rhode Island's Choice For Building Supplies For Over 65 Years

Ensure your projects are done right every time with exceptional building materials and services from Riverhead Building Supply. Our quality building supplies, pre-job planning services, installation teams and more, help you enjoy peace of mind. You can be confident that your job is being completed with only the best products and by some of the most experienced professionals in the industry.

Builders, contractors, architects and homeowners throughout Long Island and Rhode Island count on us for a broad range of building supply products and specialty services. From lumber, tools, hardware and paint to fine cabinetry, flooring, kitchen design, windows, estimating and custom molding, we have the premium building materials and service selection you need to make every project a smooth success.

Perimeters
Fine cabinetry, windows, doors, and flooring. Discover everything you are looking for at the Riverhead Building Supply Showroom. Our full-sized showroom displays will project how your new kitchen will look. Riverhead Building Supply Showroom design consultants will work closely with you incorporating you and your client's vision into the final plan. We make sure that everything fits just right, so your new kitchen is perfect.
Heritage Wide Plank Flooring
Enhance the beauty of your home or project with Riverhead Building Supply's Heritage Wide Plank Flooring. Characterized by understated elegance and quality craftsmanship, our unique floor designs and finishes have a heritage and history all their own and will turn any room into an architectural centerpiece.
Custom Molding
Riverhead Building Supply has its own custom millwork shop. We produce molding, windows, doors and Heritage Wide Plank Flooring at our state-of-the-art manufacturing plant in Calverton, Long Island using streamlined processes that ultimately benefit you, our customer, with more choices and faster turnaround.
ecobuilding
When You Need to Build Green, Think Red. Riverhead Red.
Riverhead Building Supply is committed to offering the highest quality of building materials, and that includes products deemed beneficial for our environment. We have a number of products that feature "green" technology and meet specific eco-friendly requirements.

For our complete selection of offerings, please visit our products and services pages.

For quality building materials, supplies and services, look to Riverhead Building Supply. Contact us or call us today at 1-800-378-3650 (New York), 1-800-874-9500 (Rhode Island). Find out how easy it is to Build Smarter. Build Better.