9 Brothers Building Supply
1670 Islip Avenue, Brentwood, NY 11717
Hours open
Monday:
6:30 AM - 4:00 PM
Tuesday:
6:30 AM - 4:00 PM
Wednesday:
6:30 AM - 4:00 PM
Thursday:
6:30 AM - 4:00 PM
Friday:
6:30 AM - 4:00 PM
Saturday:
6:30 AM - 12:00 PM
Sunday:
Closed
Photos
Location & Phone number
About the Business

9 Brothers Building Supply is the premier destination for all your masonry, construction, hardscape, and bulk material needs in Long Island, NYC, and the 5 boroughs of New York. Located at 1670 Islip Avenue in Brentwood, our hardware store offers a wide range of top-quality products from leading brands to help you complete any project, big or small.
With over 40 years of experience in the industry, our knowledgeable staff is here to assist you in finding the right products for your specific needs. Whether you're a contractor, homeowner, or DIY enthusiast, we have everything you need to bring your vision to life. From concrete mixes and pavers to outdoor living products and bulk materials like mulch and sand, we have it all.
At 9 Brothers Building Supply, we take pride in providing exceptional customer service and top-tier products that meet the highest standards. Our extensive inventory includes premium masonry supplies, construction materials, and outdoor living products to help you create stunning patios, driveways, walkways, and more.
Whether you're looking to enhance your outdoor space with a swimming pool deck, retaining wall, or fire feature, our outdoor living products can be mixed and matched to create a space that everyone will love. We also offer a range of bulk materials to help you customize your landscape with precision.
From concrete forming solutions to ADA-compliant tactile warning surfaces, we partner with top brands like 4 Seasons Ties, ADA Solutions, Husqvarna Construction Products, and more to ensure the success of your project. With our seamless logistics and reliable delivery services, you can trust 9 Brothers Building Supply to meet all your construction needs with expertise and efficiency.
Visit us today at 1670 Islip Avenue in Brentwood to explore our extensive inventory and let our passionate team help you bring your visions to life. With our commitment to quality and service, 9 Brothers Building Supply is your trusted partner for all your building supply needs in Long Island, NYC, and the 5 boroughs.
Reviews
"Scott helped me with his extensive experience and also gave me a reasonable price for material. I will always go back to them for any future projects."
"Very impressed with my experience with 9 Brothers Building Supply. I had ordered techo bloc pavers from them last summer. Smooth estimates, best prices (trust me, I called around) and very communicative and attentive staff. Very knowledgeable too. Stephen made excellent suggestions for stairs as well. This year, I ordered retaining wall pavers and caps. Excellent pricing and they were delivered the next day. I was WOW. But I made a mistake of misreading the tech specifications in the catalog and the caps I ordered were actually not the ones I had envisioned. But Stephen went out of his way and fixed what was my mistake. My new replacements were swapped out the next day. Great place, unbelievable customer service and overall great experience. And a very lovely back story and long family history for its name: 9 Brothers comes from Stephen’s grandfather who bought this place long time ago. He had 9 brothers. I had to ask. I highly recommend."
"To be honest I don’t know much about pavers as a fairly new home owner, so I did my homework I spoke to the professionals and even had a few contractors come by for some advice and pricing needles to say the climate I found my self in was about insane prices from contractors and ridiculous schedules so I decided to tackle it on my own out of frustration .. stopped at 9 brothers spoke to Flabio and Victor who gave me great advice and guidance, from the delivery guys that placed the material perfectly on my drive way to the guys i previously mentioned at the counter, great work we’ll be back to pick their brain for the next project"
"Went here and dealt with Victor. What an amazing experience! If I could give more stars I would. From beginning to end it was a seamless transaction. He was very helpful in our choice of pavers. The price and delivery was exactly as promised. Honest. Personal. Customer focused. I could not ask for more and I recommended to anyone I know and dont know to take advantage of a great place to make a purchase."
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