Building Supply in Brentwood, NY

Looking for dependable building supply in Brentwood, NY? You’re in the right spot. 9 Brothers Building Supply is the local yard homeowners and contractors use for masonry, hardscape, construction, and landscape materials. We stock the brands you ask for, we answer straight, and we help you match looks and specs before you load up. If you searched for a building supply store or wholesale building supply, we’re ready to help you get it done without the runaround.

What We Carry

We keep the mix that actually moves on Long Island jobs.

• Product types: Manufactured stone, natural stone, hardscape materials, construction supply, and masonry essentials.

• Pavers and walls: Cambridge, Nicolock, Techo-Bloc for patios, walkways, driveways, and retaining walls.

• Brick and block: Glen-Gery and Watsontown Brick in classic reds to modern tones.

• Stone veneer: Eldorado Stone, Dutch Quality Stone, StoneCraft, and MSI for exterior facades and interior features.

• Jobsite systems: Sika mortars and adhesives, Stego vapor barriers, SmartVent flood vents, ADA Solutions tactile panels, Monarch forms and accessories.

• Outdoor living: Kindred Outdoors & Surrounds for fireplaces and surrounds.

• Tools and equipment: Husqvarna saws and cutting gear, MAX nailers and fastening tools.

Ask us to pull samples so you can see color in daylight. If a specific blend is not in the yard, we can source it.

How People Use Building Supply in Brentwood, NY

Homeowners come in first, and we see a lot of patio refreshes and driveway upgrades. Paver kits from Cambridge, Nicolock, and Techo-Bloc make layout simpler, then you finish with polymeric sand and a clean edge restraint. For curb appeal, veneer from Eldorado Stone, Dutch Quality Stone, StoneCraft, or MSI turns a porch face or fireplace into the focal point without rebuilding a wall.

Contractors lean on our consistent inventory and quick loading. From Glen-Gery or Watsontown brick to Sika bag goods and Stego membranes, we help you keep schedule tight and punch lists short.

Real tip, and we say it at the counter all the time, order 5 to 10 percent extra on pavers and veneer to cover cuts and future repairs. Matching dye lots later can be tough. Also, stage base material close to the work so you are not double handling pallets.

Pickup And Delivery

Stop by our Brentwood yard for fast pickup. We can load a few bags or a full pallet run, no problem. If the job is across town or out east, we deliver across Long Island and into NYC. Need a moffett drop or boom? Tell us about site access and we’ll line up the right truck. You can also use East Setauket or Riverhead if that’s closer to your site this week. Call ahead and we’ll stage your order so you’re in and out quickly.

Get Started

Bring photos, measurements, or a sketch. We’ll help you pick the right materials, base, and accessories, plus the tools to make the install clean. Stop by Brentwood and talk to us. Call ahead and we’ll stage your order. Ask us about delivery.