Mattituck Masonry Store | Riverhead Building Supply

Masonry store & yard
in Mattituck

7055 Main Rd, Mattituck, NY 11952

Hours
Monday – Friday: 6:30 am – 4:00 pm
Saturday: 7:00 am – 1:00 pm
Sunday: closed

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Riverhead Building Supply on Main Road across from the Gulf gas station in Mattituck

Riverhead Building Supply in Mattituck is your one-stop shop for masonry supply, landscape and hardscape materials.

With delivery across the north fork of Long Island we deliver mulch and top soil, hardscape masonry and landscape supplies.

Our team of experts at Riverhead Building Supply in Mattituck serve customers from Riverhead, Baiting Hollow, Flanders, Calverton, Wading River and north fork Long Island towns. Homeowners welcome!

Services in our Mattituck store

  • Masonry stone and aggregates
  • Bluestone 
  • Cobblestone
  • Pavers
  • Wall stone
  • Mulch
  • Top Soil
  • Delivery service

This location does not stock lumber or hardware items.

To compliment your masonry and hardscape projects with other materials, reach out to our phone sales team at

Call 1-800-378-3650
Text 1-631-900-3650

Contact a Masonry Specialist in Mattituck

Tell us about your project or materials you need in the comments section.