Window & door showroom

165 West Montauk Highway, Hampton Bays, NY 11946

631-728-0307
 631-728-0993

Hours
Monday – Friday: 6:30 am – 4:00 pm
Saturday: 7:00 am – 3:00 pm
Sunday: 7:00 am – 12:00 pm

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Riverhead Building Supply in Hampton Bays is conveniently located on Montauk Highway at the junction of Route 24 and Montauk Hwy. across from Macy’s and Panera Bread.

This store features displays of top brands of doors and windows from Andersen, Marvin, ThermaTru and much more. Browse select door hardware on our spinner displays, perfect for any project.

This is also a full lumber yard and hardware store, so stop by for everyday needs -homeowners welcome!

Featured window and door products

ANDERSEN®
WINDOWS AND
DOORS 400 SERIES,
A SERIES

Quality and performance you can trust.

MARVIN® WINDOWS
AND DOORS

Windows and doors built for how you live.

THERMATRU DOORS

Where home begins.

TRUSTILE DOORS

Design that moves you.

INTERIOR & EXTERIOR
DOORS

Interior and exterior doors for any project from stock to fully custom.

RBS Pre-Hung Doors

Let us be your Master Carpenter.

Services

  • Delivery service
  • Window and door displays
  • Color and wood species samples
  • Window and door hardware options
  • Brand literature
Learn more about our services

Window & door repair and installation

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

Connect with a Millwork Specialist

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