Company Description

We are Lincoln County's #1 source for all your building supply needs. We offer lumber, plywood, sheetrock, insulation, roofing, decking, flooring, siding, cabinets, hardwoods, cedar, pine, windows, doors, mouldings, tools, nails, screws, and much more.

You can be confident that Big Sky Lumber Supply can help you with any building task no matter how major or minor they may be.


Located in beautiful Libby, Montana, Big Sky Lumber Supply is your locally owned and operated lumber and building supply center.


We have a friendly, knowlegable staff that is eager to help.

We offer a wide range of products that include fir & larch dimensional lumber, pressure treated lumber, pine, cedar, hardwoods, plywoods, o.s.b. products, insulation, brackets/hangers, decking, siding, trim, windows, moulding, roofing, soffit/venting products, wraps, underlayment, visqueen, interior/exterior doors, garage doors, engineered I-joists & glulam beams, countertop laminate drywall, bagged concrete products, conrete/landscape block, tools, nails, torx screws, etc...just to name a few!


And if the common or ordinary product is not what you are looking for, chances are we can special order that unique or custom product that you want or need.

If you have a building project and need your order delivered, just ask! We would be happy to schedule your order for job site delivery.