Design showroom

1093 Pulaski Street, Riverhead, NY 11901

631-996-3100
 631-727-4180

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

Explore all services at this location
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Riverhead Building Supply is conveniently located just minutes south of Route 25 in Riverhead

Explore top window and door brands—including Marvin, Andersen, TruStile, Therma-Tru, and more—at our Riverhead showroom. Get hands-on with large-format options like bi-fold and multi-slide doors that seamlessly connect indoor and outdoor living.

The expert team at Riverhead Building Supply in Riverhead looks forward to helping you find the perfect fit for your home.

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

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