3570 Merrick Rd.
Seaford, N.Y. 11783
Hours of Operation
Monday - Friday 7:30-4:00
Saturday Closed utill spring
Call - (516) 785-3197
Fax - (516) 826-9168
One of Long Island’s Most Respected Masonry and Building Materials Provider
The #1 choice for masonry, concrete and building accessories is right here at Allied Builders Supply, a family owned and operated business. Founded in1948, Allied has dependably served contractors and homeowners for generations. We’ve built a strong reputation for delivering on our word.
Our 15,000 sq. ft. supply yard includes natural stone, cultured stone, pavers, bricks, veneers and mason supplies. Many products not found in our inventory can be ordered and delivered promptly.
Learn about our products and vendors
Find a dependable contractor
Contact us to request more information
Builders • Landscapers • Contractors • Municipalities • Hospitals • Schools • Supply Centers • Do-It-Yourselfers