Garden City Building Supply in Long Island, and New York City

Looking for a dependable building supply store Garden City can count on? 9 Brothers Building Supply has you covered. We stock what Long Island homeowners and contractors actually use, from pavers and wall systems to concrete accessories and tools. Our yards in Brentwood, East Setauket, and Riverhead support projects across Long Island and New York City, and we help everyone from first time DIYers to seasoned masons. We carry the brands that move fast, and we keep bulk basics ready for pickup or delivery. If you need wholesale building supply Garden City projects can rely on, we can help with that too.

What We Carry

We keep a wide range of categories so you can load everything in one stop.

• Manufactured stone, natural stone, hardscape, construction, masonry

Brands our customers ask for include:

• Cambridge, Nicolock, and Techo-Bloc for pavers, slabs, and segmental walls

• Glen-Gery and Watsontown Brick for face brick and structural brick options

• Dutch Quality Stone, StoneCraft, and MSI for veneers and accents

• Kindred Outdoor & Surrounds and Monarch for fireplaces, surrounds, and chimneys

• ADA Solutions for tactile pavers and code compliant access

• Sika and Stego for concrete, waterproofing, sealants, and vapor barriers

• SmartVent for flood vents in coastal zones

• MAX and Husqvarna for tools, saws, and site gear

We stock the everyday accessories too, like polymeric sand, adhesives, fabrics, edging, and drainage components, so you do not have to chase parts around.

How People Use Garden City Building Supply in Long Island, and New York City

Homeowners come to us for patio makeovers, front entry steps, driveway borders, and backyard fire features. We see this a lot, a Nicolock or Cambridge paver patio paired with a manufactured stone veneer on an outdoor kitchen. Contractors lean on our hardscape pallets, bulk base materials, geotextiles, and job lot brick for additions and repairs. Municipal and commercial teams pick up ADA tactile systems, SmartVent units, and concrete restoration products.

Real tip from the yard, plan your base before you pick colors. For patios or walkways, set your excavation depth to allow for proper compacted base, bedding layer, and the final paver thickness. It keeps grades right and prevents trip lips later. If you are doing veneer, order a few extra corners and flats for cuts, and keep the lot numbers consistent.

Pickup And Delivery

Swing by Brentwood, East Setauket, or Riverhead. We can load you fast, whether you are grabbing a couple of bundles or a full truck. Our team stages call ahead orders so you are in and out. Need it brought to the site? We offer delivery across Long Island and NYC with the right equipment for tight streets and driveways. Let us know about offload needs and site access so we send the right truck and forks.

Get Started

Tell us what you are building and we will match the materials, from the base up to the cap. Call ahead and we will stage your order, or stop by Brentwood and talk to us. Ask us about delivery.