Mountain Ash Natural Building provides a variety of services using natural materials and techniques to build high performing, environmentally sustainable, and aesthetically beautiful homes and structures. Located in the beautiful Flathead Valley, we offer construction services throughout NW Montana and beyond.

Established in 2024, Mountain Ash specializes in strawbale structures, clay and lime plasters, and earthen floors. We offer services ranging from general contracting, sub-contracting, and consulting with DIY owner-builders.