About Us

Frog Rock Design is a small Green Residential Architecture Firm located in Bozeman Montana. We have been providing energy efficient design solutions for Homes in Montana, Wyoming and Idaho since 2000. Principals Ann Orser and Tammy Minge formed Frog Rock Design with the mission to provide Home Designs that are unique and fit with the Owner’s style preferences. Whether you want a design that is Dwellish Contemporary, Old World, Craftsman or Western we can provide the design that is right for you. We design HOME. A place to be YOU. That is reflected in the variety of styles you will see when exploring this site. What all of our work has in common is:

  • Respect for the environment and response to location
  • Celebration of light
  • Livable spaces & open floor plans
  • Attention to detail
  • Cohesive image
  • A sense of Place


Tammy Minge – B of Arch 1996, M of Arch 2010, Montana State University. NCARB Certified and licensed in Montana, NHAB Master Certified Green Professional, Assistant Adjunct Professor at Montana State University, School of Architecture 2000-2012.

Ann Orser – B of Arch, Montana State University 1995. NHAB Certified Green Professional. Ann has retired to do her glass work, but remains a valuable consultant to the business.