Welcome to Hartje Lumber, Inc.

Hartje Lumber is your friendly hometown source for all your building and lumber supply needs.

Hartje Lumber is a retail / wholesale building supply center located along Hwy. 33 between La Valle and Reedsburg, Wisconsin.
Conveniently located within 30 minutes of Baraboo, Wisconsin Dells, Hillsboro, Richland Center, and Mauston and within 90 minutes of Madison and La Crosse. Hartje Lumber is ready to serve customers thoughout southern Wisconsin and beyond.
We carry a complete line of home and pole building materials.
We carry a large selection of steel roofing and siding.
Our experienced crews are available to construct pole buildings or we can provide job packs.
Prompt deliveries can be made to your job site on self-unloading trucks.
Stop by and check out our displays of kitchen cabinets, windows and doors.
Save construction time and money with our custom-built prefab wall panels that can be delivered and set with our crane trucks.