Retail store & yard

3495 Lawson Blvd, Oceanside, NY 11572

Monday – Friday: 7:00 am – 4:00 pm
Saturday: closed
Sunday: closed

Riverhead Building Supply in Oceanside is conveniently located at 3495 Lawson Blvd.

This location is a specialty center which focuses on the distribution of roofing and siding. We stock quality roofing and siding brands designed to meet your exacting requirements. Come in and discuss your project with our team of roofing and siding experts. Ask about our special boom-truck delivery services to speed your project to the finish line.

This location does not stock lumber or hardware items.

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