Building Supplies in Buffalo, NY

Roofing & Siding Materials, Replacement Windows, and More!

800 Grant Street

Buffalo, NY 14213


Niemiec Builders Supply is a local family owned and operated lumber yard and building supply company located in Historic Black Rock. George and Robert Niemiec have been serving the Buffalo NY area for over 60 years and offer a wide variety of products and services. From replacement windows to roofing materials, we carry all types of building supplies so you can get your project completed. Stop by our lumber yard today!

We have helped provide all kinds of supplies for a variety of projects in the Buffalo, NY area. If you're not sure where to start, stop into our lumber yard and we can help! We offer everything from replacement windows to roofing and siding materials. Stop in today!

Visit our lumber yard today!

Niemiec Builders Supply is your #1 do-it-yourself headquarters for quality lumber, building supplies and materials for homeowners and professional contractors.

Whether you're laying a foundation, installing floor joists, building a deck, framing walls, installing replacement windows and doors, dry walling and insulating, replacing your roof, or building from scratch, we have you covered from start to finish.

Deck Supplies

Our lumber yard has all the materials you need to build a new deck. We carry everything from treated lumber to composites so you're sure to find the right option for your needs. Stop in today to browse our deck supplies!

Roofing Materials

We carry all types of roofing materials so no matter what you're looking for, you'll find it at Niemiec Builders Supply. Our selection is sure to contain the right shingles to match your current set up.

Siding Materials

Your home's siding, in addition to giving your house a specific look, is responsible for safety and durability. If your siding could use some work or you're working on a brand new project, Niemiec Builders Supply has all the siding materials you need to increase the value, beauty, and durability of your home.

Replacement Windows

We carry all types of windows, from awning windows to double hung windows, and more! Our replacement windows help keep your home warm in the winter, cool in the summer, and looking great year round. Give us a call today to find out about all our window options.

With the notoriously harsh Buffalo, NY winters, replacement windows are a great way to save on energy and keep your home warm and comfortable year-round. Give us a call today to install energy-efficient replacement windows in your home.

We take pride in offering all customers the highest level of service; before, during and after the sale.

Visit us today!
Please allow 2 days for delivery services