Retail store & yard

21 Railroad Avenue, East Hampton, NY 11937

631-324-0300
631-324-0880

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

Kitchen showroom

15 Railroad Avenue, East Hampton, NY 11937

631-324-2848
631-324-0354

Hours
Monday – Friday: 8:00 am – 4:00 pm
Saturday: 8:00 am – 1:00 pm
Sunday: closed

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.

Featured products

ANDERSEN®
WINDOWS AND
DOORS 400 SERIES,
A SERIES

MARVIN® WINDOWS
AND DOORS

INTERIOR & EXTERIOR
DOORS

KITCHENS &
COUNTERTOPS

CABINETRY
HARDWARE


HARDWOOD AND ENGINEERED FLOORING

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

New York

P: 800-378-3650 T: 631-900-3650


Riverhead Building Supply

Riverhead Building Supply