wood joint

Close's Lumber carries a large supply of building materials. Whether you are looking to add on to your existing home or you've always wanted to build that large deck around your pool, Close's has the building supplies you are looking for. With our large outdoor, DRIVE-THRU sheds you can guarantee the building supplies you are getting are in great condition. PLUS WE DO THE LOADING FOR YOU!

At Close's Lumber, we take pride in our customer service. When you talk to one of our sales staff, you can be sure you are getting the best possible advice. Our sales and support team have many years of experience and are always willing to help you with your next project. 

outside windows

Building Supplies

At Close's Lumber, we truly supply everything you need from the foundation of your home to the roof. With the products and expert staff to help you plan and execute your project, Close's Lumber is the best full-service building supply source in the Alleghany region. We offer:

  • lumber, including engineered panels, dimensional treated lumber, engineered I-joists, rimboard, and LVL; OSB, pine, and much more
  • molding and millwork in wood, MDF, PVC, and vinyl
  • roofing, including shingles, underlayments, solar panels, roof coatings, and more
  • siding, drywall, and insulation 

Featured Brands

Gaco Roof Logo
USG logo
CertainTeed logo
AZEK logo

Kitchen flooring


We offer a  variety of flooring in both locations, including the popular and easy-to-install self-stick tile. We have a fantastic display of flooring with many samples in stock! If you find something displayed that is not currently in stock, don't worry; we can special order from dozens of manufacturers. At Close's Lumber, you'll find:

  • Tarkett flooring
  • Kraus wood and laminate flooring
  • Dal-Tile
  • Mohawk
  • Alloc wood and laminate tile
  • Grout
  • Bona floor cleaning products
  • Yellow pine tongue-and-groove flooring

Living room ceiling

Ceiling Products

At Close's Lumber, we specialize in both staple-up ceiling tile and drop-ceiling products. Armstrong has a great selection of both products, and our expert staff can help you get the right style for your project. We offer:

  • Armstrong tile in 12"x12", 2'x4', and 2'x2' pieces
  • Grid work
  • 2'x4' and 2'x2' grid lights
  • Tin tile and planks for special order



Been wanting to renovate your existing deck or add on to create your backyard oasis? Close's Lumber is the best place in the Alleghany region to find both composite and natural wood decking materials. We offer composite porch flooring, engineered decking, PVC and composite decking, and traditional treated wood decking. Our vendors are tops in the industry, including:

  • Aeratis
  • Azek
  • Madison Lumber
  • TimberTech
  • Cullpepper Lumber
  • Zuri
azek deck logo
timbertech logo

With two locations in Olean, NY, and Roulette, PA, Close's Lumber serves customers all over the Alleghany region of southern New York and northern Pennsylvania. We specialize in windows, doors, siding, cabinets, decking, roofing, insulation, faucets, paint and stains, and hardware - everything you need to build or remodel your home!

Both locations have a full showroom with cabinetry, windows & doors, flooring, and paint, with designers on staff to help you plan your project.

Close's Lumber serves the communities and surrounding areas of Olean, NY, Roulette, PA, Port Allegany, PA, Salamanca, NY, Smethport, PA, Wellsville, NY, Andover, NY, Randolph, NY, and Austin, PA, as well as all of Cattaraugus and Potter Counties.