When you need the right masonry supplies for your upcoming job in East Northport, we’re here to help. We are the right East Northport masonry supply company for your needs. Our stock includes products for construction, masonry, hardscapes, landscaping, and more. No matter your project, we have just what you need.

At 9 Brothers Building Supply, we work with many contractors and homeowners. Whether you’re helping clients with their home projects or commercial projects, we’re ready to provide the masonry supplies you need in East Northport. Even if you’re a DIYer, we have the right products for you.

East Northport Masonry

We offer all the masonry products you need from ADA pavers to brick columns to mortar mix. Whether you’re creating a patio or handling a major construction project, we have the right options for your needs. Maybe you’re creating a pool deck. If so, we have the pavers, coping, and other products you need.

East Northport Hardscape Supply

When you’re working with a client that needs hardscaping done, we have just what you need. Add an outdoor fireplace or fire pit to the patio or even an outdoor kitchen. No matter what you need to design the perfect outdoor living space, we have it.

East Northport Construction Supply

When you’re masonry project requires the right construction products, we have them. We offer egress windows, foundation vents, concrete construction products, and so much more. Our lumber yard even has many options you can choose from.

East Northport Bulk Landscape Supply

When you need the right products for landscaping, we have those, too. Maybe you’re a contractor that’s handling all aspects of the project, including landscaping. We offer the rocks, sand, mulch, and topsoil you need.

At 9 Brothers Building Supply, getting the right products for your masonry project is very easy. We are the top East Northport masonry supply company with everything you need. No matter how large or small the project, we have you covered.

Stop by our Brentwood or Riverhead location today and we can help you find the right masonry products for your needs.

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9Brothers Building Supply

Build your dream outdoor living experience!


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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 & the 5 Boroughs of NYC

Consult Us

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

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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