Riverhead Building Supply  Showroom located in Greenport, NY.
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Riverhead Building Supply Showroom Location - Greenport, NY

Riverhead Building Supply Design Showroom located in Greenport, NY is your source for fine cabinetry for your home — from the kitchen and bath to home offices, media rooms, laundry rooms and more. It also features windows, doors, architectural and decorative hardware and Heritage Wide Plank Flooring & Millwork. Our Design Showroom is located inside our store.

74500 Main Road
Greenport, NY 11944

Phone: 631-996-3200
Fax: 631-996-3199

Monday - Friday: 8:00 am - 5:00 pm
Saturday: 8:00 am - 3:00 pm
Sunday: 8:00 am - 1:00 pm