• 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. 

Contact Us Today

Phone                 631-273-3323

Address

1670 Islip Ave.
Brentwood,  NY   11717

Email

Business Hours

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

We accept

  • Visa
  • Master Card
  • American Express
 

Year Established   1980
Languages         English, Spanish, Italian

Wide-ranging product selection.

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

Riverhead, NY Location

Phone                 631-208-1630

Address

9 Brothers Building Supply 28 Mill Road
Riverhead,  NY   11901

Email

Business Hours

  • Monday - Friday 7:00am - 5:00pm
  • Saturday 7:00am - 2:00pm
 



 

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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