Historic Architecture

AHS architectural historians have extensive experience evaluating residential and commercial buildings, agricultural complexes, government administrative facilities, schools, dams, irrigation systems, railroads, and other historical structures throughout the Pacific Northwest.

Historic American Buildings Survey (HABS), Historic American Engineering Record (HAER), and Historic American Landscapes Survey (HALS) documentation provides a permanent record of America’s most important historic buildings, structures, and landscapes in a nationally recognized and archivally stable format.