9 Brothers Building Supply is your leading bulk rockgravelpebble supply company!

Brentwood Rocks

9 Brothers Building Supply carries an assortment of quality Brentwood rocks ranging in sizes and colors. Our Brentwood location carries Bluestone screenings and dust while our Riverhead location is the main source for crushed bluestone gravels, pea gravels, red crushed gravels, and beach pebbles from MS International. These rocks will be perfect for permeable pavement solutions, driveways, and walkways. Stop in today and you will find what you need!

Stop in or get in touch!

Brentwood Location

Brentwood9Brothers

1670 Islip Ave. 
Brentwood, NY 11717

Riverhead Location

Riverhead9Brothers

28 Mill Road
Riverhead, NY 11901

Services

We’ll help you through the process

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Forklift & Boom Service

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

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