9 Brothers Building Supply is your leading natural stonenatural stone pavernatural stone pationatural stone walkwaynatural stone driveway supply company!

Bridgehampton Natural Stone

9 Brothers Building Supply is a premier supplier of Bridgehampton natural stone products. Anything from flagstones, pavers, caps, and steps, we have the widest assortment of colors and stone types around. Bring the elegance and beauty of natural stone to your backyard or commercial project. Stop in today at one of our locations in Brentwood or Riverhead to see our full collection of natural stone products and let us help bring dreams to life!

Stop in or get in touch!

Brentwood Location


1670 Islip Ave. 
Brentwood, NY 11717

Riverhead Location


28 Mill Road
Riverhead, NY 11901


We’ll help you through the process


Forklift & Boom Service

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

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!

Delivery across Long Island, NYC, and the 5 boroughs

Construction Site Delivery

Local Pickup

Home Delivery

Contractor & Local Business Deliveries