New Castle Building Products is dedicated in its mission to build relationships among professional contractors, commercial and residential property owners, manufacturers and distributors. Together, we can create a professional, informative and friendly marketplace for supplying building materials for projects of all sizes.

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Labor Day Weekend Hours

Labor Day Weekend Hours

See below for our holiday weekend hours:  

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New Branch Coming Soon…

New Branch Coming Soon…

On August 1, 2015, New Castle Building Products is opening its doors to our 11th location. The newest branch will be located at 40 Seatuck Avenue, Eastport, NY 11941. Please check back as we update our site with the latest information for this location.

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