State Historic Preservation Offices
For up-to-date contact information on State Historic Preservation Officers, visit the National Conference of State Historic Preservation Officers website.
Alabama
Alabama Historical Commission
Alaska
Alaska Office Of History & Archaeology
American Samoa
Historic Preservation Office
Arizona
Arizona State Parks, State Historic Preservation Office
Arkansas
Department of Arkansas Heritage
California
California Office of Historic Preservation
Colorado
Colorado Office of Archaeology & Historic Preservation
Connecticut
State of Connecticut Historic Preservation & Museum Division
Delaware
Delaware State Historic Preservation Office
District of Columbia
Office of Planning, Historic Preservation Division
Florida
Florida Division of Historical Resources
Georgia
Georgia Department of Natural Resources, Historic Preservation Division
Guam
Guam Historic Preservation Office
Hawaii
Hawaii State Historic Preservation Division
Idaho
Idaho State Historical Society
Illinois
Illinois Historic Preservation Agency
Indiana
Indiana Division of Historic Preservation & Archaeology
Iowa
State Historical Society of Iowa
Kansas
Kansas State Historical Society
Kentucky
Kentucky Heritage Council
Louisiana
Louisiana Division of Historic Preservation
Maine
Maine Historic Preservation Commission
Marshall Islands, Republic of the
Secretary of Interior and Outer Island Affairs
Maryland
Maryland Historical Trust
Massachusetts
Massachusetts Historical Commission
Michigan
Michigan State Historic Preservation Office
Micronesia, Federated States of
Division of Archives and Historic Preservation
Minnesota
Minnesota State Historic Preservation Office
Mississippi
Mississippi Department of Archives & History, Division of Historic Preservation
Missouri
Missouri State Historic Preservation Office
Montana
Montana Historical Society
Nebraska
Nebraska State Historic Preservation Office
Nevada
Nevada State Historic Preservation Office
New Hampshire
New Hampshire Division of Historical Resources
New Jersey
New Jersey Historic Preservation Office
New Mexico
New Mexico Historic Preservation Division
New York
New York State Parks, Recreation & Historic Preservation
North Carolina
North Carolina State Historic Preservation Office
North Dakota
State Historical Society of North Dakota
Northern Mariana Islands, Commonwealth
Department of Community and Cultural Affairs, Division of Historic Preservation
Ohio
Ohio State Historic Preservation Office
Oklahoma
Oklahoma Historical Society
Oregon
Oregon State Historic Preservation Office
Palau, Republic of
Ministry of Community & Cultural Affairs
Pennsylvania
Pennsylvania Historical & Museum Commission
Puerto Rico, Commonwealth of
State Historic Preservation Office
Rhode Island
Rhode Island Historical Preservation & Heritage Commission
South Carolina
South Carolina Department of Archives & History
South Dakota
South Dakota State Historical Society
Tennessee
Tennessee Historical Commission
Texas
Texas Historical Commission
Utah
Utah Department of Community & Economic Development, Utah State History
Vermont
Vermont Division for Historic Preservation
Virgin Islands
Department of Planning and Natural Resources
Virginia
Virginia Department of Historic Resources
Washington
Washington State Office of Archaeology & Historic Preservation
West Virginia
West Virginia Division of Culture & History, State Historic Preservation Office
Wisconsin
Wisconsin Historical Society