• Pencil Rod | Brentwood, NY | 9 Brothers Building Supply | 631-273-3323

    Starting a new construction project?

    Whether you are a contractor, landscaper, or do-it-yourself expert, 9 Brothers Building Supply can make any project easier with high-quality building materials. 

Rebar  | Brentwood, NY | 9 Brothers Building Supply | 631-273-3323

Prompt delivery to your door.

You can start your project right away with speedy delivery whether it is plywood, lumber, rebar, block, brick or another building material. 

 

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Wide-ranging product selection.

Our latest expansion of products and services includes new vinyl windows, ADA solutions, chemicals, sealants, adhesives, and much more. 

Brands

Monarch | Sika | ADA | OX | Greenstreak Group, Inc. | NICOLOCK | Advance | FOAMULAR | Kraft Tool Co | LAFARGE | LEHIGH | Master Lock | Pacoa | Quikrete | Sakrete | Smart Vent | Sonneborn O-Basf | Tough Stuff  | Stanley

Contact Us Today

Year Established   1980

Languages         English, Spanish, Italian

Address

1670 Islip Ave.
Brentwood,  NY   11717

Email

Phone

631-273-3323

Business Hours

  • Monday - Friday : 6: 00 AM - 5: 00 PM
  • Saturday : 6: 00 AM - 2: 00 PM

We accept

  • Visa
  • Master Card
  • American Express
 
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