LI Bulk Materials | Long Island Masonry Supply

Bulk Materials

We have all your bulk material needs right here. If you are looking for concrete block, large stone and a variety of other options we can help. Our tools & equipment page has helpful items as well. Contact our masonry supply company with questions.

Concrete Block

holbrook concrete supply landscaping hardscaping


Large Stone

LI boulders

LI Boulders

Various Sizes
Holbrook moss rock

Moss Rock

Various Sizes
Hamptons dive rock

Dive Rocks

2′ – 10′ size. Great for steps or pools.


  • Fine Sand
  • Concrete Sand
  • 3/4 & 3/8 Pea Gravel
  • 3/4 & 3/8 Blue Stone
  • Black & Red Mulch
  • Topsoil
  • RCA
  • State-Approved RCA
  • Clean Fill
  • Tools & Safety Equipment
  • Adhesives, Cleaners, and Sealers
  • Expansion Joints
  • Tar Paper
  • Cobblestone
  • Wire Lath
  • Angle Iron
  • Rebar
  • Precast Sills, Keystongs, Balusters, and Statues.
  • Fireplace components and fire brick

Contact Us to Learn More