About Us

Western Building Center - Columbia Falls is your local source for Trex products, offering the complete line of composite decking, railing, deck lighting, and accessories.

Western Building Center’s mission is to provide our customers with the best possible materials and delivery in Northwest and Eastern Montana. We are dedicated to quality, service, and innovation, at competitive prices, all to create the best value for our customers. We strive to support our local communities in any way we can.

Serving Montana for over 70 years with 12 locations throughout the state, we help our customers work, build, and create solutions. Our experienced staff would be happy to guide you through the deck design process and help you make the Trex decision that is right for you. Stop by our location at 1550 9th St West to start your next outdoor living project.