Building Supply in Setauket-East Setauket, NY

Looking for a building supply store you can count on in Setauket-East Setauket, NY? You’re in the right place. At 9 Brothers Building Supply, we stock the masonry, hardscape, construction, and landscape materials homeowners and contractors need to get jobs done clean and on schedule. We serve Setauket-East Setauket every day from our East Setauket yard, and our Brentwood and Riverhead locations back you up with deep inventory. Whether you are planning a new patio, replacing a walkway, or staging a full addition, we can help you pick the right materials, load you fast, and set up delivery across Long Island and NYC. If you searched for a building supply store or wholesale building supply, we have you covered.

What We Carry

We carry the core categories people ask for here on the North Shore. Manufactured stone and natural stone for veneers, walls, and accents. Hardscape materials for patios, walkways, pool decks, and driveways. Construction and masonry supplies for footings, foundations, waterproofing, and finishing.

Our lineup includes brands homeowners recognize and contractors trust. Cambridge, Nicolock, and Techo-Bloc for pavers, slabs, and walls. Watsontown Brick and Glen-Gery for face brick and structural brick. ADA Solutions for detectable warning panels. Stego for below-slab vapor barriers. Dutch Quality Stone, StoneCraft, and MSI for veneers. Sika for mortars and sealants. SmartVent for flood vents. MAX and Monarch for tools and fastening. Kindred Outdoor & Surrounds for outdoor living elements. Husqvarna for saws and jobsite gear. If you do not see it, ask us. We can usually source it quickly.

How People Use Building Supply in Setauket-East Setauket, NY

Homeowners use our hardscape and stone to refresh front entries, build backyard patios, and add retaining walls that match colonial and contemporary homes around Setauket Harbor. Thin veneer stone or manufactured stone warms up basements and fireplaces. Brick and block take care of steps, garden borders, and edging. Contractors lean on our construction supply for foundations, drainage, and flatwork, then finish with pavers, caps, and polymeric sand to deliver a tidy closeout.

Tip from the counter, measure your areas twice and add 5 to 10 percent for cuts and breakage, especially on pavers and veneer. It keeps you from scrambling mid-project and helps color lots stay consistent. If you are near the shore, ask us about SmartVent options and below-grade moisture protection so your work stands up to coastal conditions.

If you are searching for wholesale building supply, we work with landscapers, masons, builders, and municipalities too. Call ahead and we will stage pallets so you can roll in, load, and get back to the site.

Pickup And Delivery

Swing by our East Setauket yard for fast pickup, or use Brentwood and Riverhead if those are closer to your route. We load trucks and trailers quickly, and we will make sure you have the accessories and adhesives you need so you do not waste a trip. Prefer drop-off? We deliver across Long Island and NYC, curbside or on-site, and we coordinate placement so your crew is not moving pallets twice. Tell us about tight streets or overhead lines and we will match the right truck to the job.

Get Started

Bring your measurements, plans, or even a photo of the space. We will match colors, suggest patterns, and make sure you have the base materials and tools to do it right. Stop by East Setauket and talk to us, or call ahead and we will stage your order. Ask us about delivery.