St. Landry Lumber is a family owned lumber supply store in Opelousas, LA. Dating back to the late nineteenth century, it's one of the oldest businesses still operating in city. From concrete rebar to roofing shingles, you'll find what you need in our friendly store: studs, yellow pine lumber, treated lumber, fence boards, roofing, concrete materials, plywood, decking and sheathing,cedar, cypress, white pine, fir, oak boards; and if we don't have it in stock, we can order it!