Reliable Building Supplies


Call: (631) 585-7171
4701 Veterans Memorial Highway
Holbrook, NY 11741-4515

Building Supply in Holbrook, New York

Since 1968, GTS Builders Supply Inc, the reliable building supply company in Holbrook, New York, has been a supplier of quality lumber, building materials, and masonry products.

We pride ourselves in and stand behind all of our products, and our sales staff has the knowledge necessary to help you find the very best building materials and supply solutions for your needs.



Service Center

Come in today, and experience our level of service for yourself. Our store features displays for you to view and free samples for you to take. While you're here, be sure to ask about our same- or next-day delivery services.

Next-Day Delivery

Our delivery service includes boom, dump, and forklift deliveries. Take advantage of our modern truck fleet, and get your supplies, including masonry materials, where you need them promptly.

Business Accounts

Whether your company is in the remodeling trade, deck building industry, or anything in between, our business is ready to earn yours.

Personal Service

Ours is not a big-box store; we offer more personal service with immediate attention and no waiting. That's why, for more than 40 years, customers have chosen us for competitively priced, high-quality lumber. Our customers love the personalized service we provide and the relationships we build with them. With us, you are not just a number.


Contact us in Holbrook, New York, today, and let our building supply company work for you.

Serving Holbrook and Suffolk County

Spanish- and Portuguese-Speaking Staff Available

Se Habla Español

We're Ready For Winter. Are you?

NATURAL ICE MELT that is pet friendly and actually works!

Made right here on Long Island


Call to place your order today!