Content that inspires, teaches, introduces and challenges both trade professionals and homeowners.

You demand the highest quality construction materials and products on every job. At Riverhead Building Supply, you’ll find a vast array of superior residential and commercial construction supplies designed to make your project a success.

October is our month for wicked good savings on James Hardie siding, trim, and accessories. Be sure to place your order through the end of the month, to get the best deals around!

It was a beautiful day at Suffolk County Farm in Yaphank on Saturday, September 28, as the Riverhead Building Supply team stepped out on the Walk to End Alzheimer’s.

Save 10% on your purchase of any James Hardie exterior products at all Riverhead Building Supply locations. That 10% adds up to tremendous savings on popular HardiePlank® lap siding, HardieShingle® siding, HardiePanel® vertical siding, HardieTrim® boards and more.

Where do you start on the road to replacement windows? With all of the choices available, it’s hard to decide. Let Riverhead Building Supply be your GPS – you tell us where you want to go, and we’ll give you the step by step directions to make sure you get there.

Updating the exterior of your home is easy with Exterior Portfolio vinyl siding. If you’re not sure where to start, try the Dream Designer tool. Using the Dream Designer, you can select a home style that most closely matches your own, or even upload a photo of your home

If you have been thinking about adding or replacing a porch or deck, now is the time to do it. Our midsummer decking sale includes savings on some of our best railing kits and color matched fasteners, too