Get to know us

A family owned building supply company that has been serving Long Island, NYC, and the 5 boroughs for 38 years. We are passionate to be leaders in the building supply industry!

We are a family owned State certified Womens’ Business Enterprise building supply company that works with homeowners, contractors, and landscapers. We have all of your hard to find specialty pavers, construction materials, and pool building materials! From home enhancements to super structures; we’ve got what you need fast and easy!

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Brentwood Location

1670 Islip Ave. 
Brentwood,  NY   11717
Phone: (631) 273-3323

Riverhead Location

28 Mill Road
Riverhead, NY 11901
Phone: (631) 208-1630

9Brothers Building Supply

Build your dream outdoor living experience!


We’ll help you through the process


Forklift & Boom Service

a mini crane service for tight or hard to reach delivery spots!Learn More »

Delivery Service

with our fleet of ready to haul trucks anywhere on Long Island, NYC & 5 Boroughs »

Consult Us

to build your dream backyard, driveway, landscape, pool, or patio!Learn More »


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