We are a locally owned and operated Lumberyard that has been in the business for over 40 years.


We are a locally owned and operated Lumberyard that has been in the business for over 40 years.
We are big enough to supply all of your home and construction needs
while keeping service with a personal small town touch.

Dimensional Lumber

At Alamosa Building Supply and La Jara Trading Post, we offer a full line of lumber products from pre-cut studs to dimensional lumber from some of the finest suppliers in the county. Framing lumber is available in widths of 2”x4” – 2”x12” and up to 20’ lengths.


Our customers deserve the very best when deciding upon a windows in their home. A broad selection of windows are available in steel, wood or fiberglass to offer a lifetime of curb appeal to your home. Our full line is available in a variety of panel designs and styles.


Our options for insulation will not only help lower your utility bills and heating requirements but provide a lifetime of comfort for you and your family. Whether you pick a roll and batt insulation or blow in, your home will become much more efficient in keeping cold air out in winter and reducing the effects of hot temperatures in the summer.