Myrna M.
3/26/2023
Very professional , helpful. They helped us with a broken part for our Anderson slider without a hitch!!! The even explained on how to install!!!!
Riverhead Building Supply Design Showroom
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(6)
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40 Powell Ave
Southampton, NY 11968
Riverhead Building Supply is conveniently located near the train station in Southampton at 40 Powell Avenue. Across the street at 25 Powell Avenue is our showroom which features windows, doors, molding, trim and more. Please contact us at 631-283-2000 for more info.
Also at this address
Reviews
3.06 reviews
Rachel B.
11/3/2017
We use RBS for all of our building needs and have never had a problem! They have an excellent staff and selection of products.
Spencer W.
7/17/2008
RBS is *the* lumber yard in Southampton. Water Mill Lumber is useful for some things, but RBS really takes the cake overall. A fine lumber yard.
G M.
11/17/2018
Wow, Waited 20 minutes ( he was with customer when I walked in, ok) to meet with window sales rep on a Saturday. After beginning to get prices, someone else walks in inquiring about an order. He...
Michael A.
4/25/2010
A simple order of a door took 5 weeks. Initially, I was told 2 to 3 which was fine. Week 3 came and went...no door. Week 4 came and went...no door. The worst part is the bad communication....it...
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