Design showroom

15 Railroad Avenue, East Hampton, NY 11937

Hours
Monday – Friday: 8:00 am – 4:00 pm
Saturday: 8:00 am – 12:00 pm
Sunday: closed

Retail store & yard

21 Railroad Avenue, East Hampton, NY 11937

Hours
Monday – Friday: 7:00 am – 4:00 pm
Saturday: 7:00 am – 3:00 pm
Sunday: 7:00 am – 12:00 pm

Riverhead Building Supply is conveniently located across
from the train station in the Village of East Hampton.

Located inside the store is our Doors, Window, and Heritage Wide Plank Flooring & Millwork Showroom. Our Kitchen Cabinet Design Showroom is located at 15 Railroad Avenue in the brick building on the corner of Lumber Lane.

Services

  • Delivery service
  • Blade sharpening service
  • Tool repair service
  • Lockset re-key
  • Decking & railing displays
  • Roofing displays & samples
  • Siding displays & samples
  • Paint & stain mixing, color matching paint only
  • Propane gas tank refills

Installation services

  • Andersen® service & repair
  • Marvin service & repair
  • Storm & screen door installation
  • Window & Door installation and replacements
  • Lift & slide ‘big door’ installation
  • Bilco® basement door installation
  • Screen enclosure installation
  • Gutter installation
  • Garage Doors parts and installation

Interested in a design consultation?

Tell us about your project and a designer will reach out to you