State and Local Preservation Resources

This list provides access to U.S. state and local preservation resources. Each state's historic preservation office (SHPO) appears first, followed by the statewide preservation office (SPO) name and link, if available. Organizations that are national in scope can be accessed from the National Links page . If you would like to suggest sites to add to the list, or for corrections and/or comments, please contact us.

ALABAMA

• Alabama Historical Commission (SHPO)
• Alabama Preservation Alliance (SPO)
• Historic Chattahoochee Commission

ALASKA

• Alaska State Historic Preservation Office, Department of Natural Resources (SHPO)
• Alaska Association for Historic Preservation (SPO)
• Fairbanks Historical Preservation Foundation
• Tanana-Yukon Historical Society

ARIZONA

• State Historic Preservation Office, Arizona State Parks (SHPO)
• Arizona Preservation Foundation (SPO)
• Arizona Heritage Alliance

ARKANSAS

• Arkansas Historic Preservation Program (SHPO)
• Historic Preservation Alliance of Arkansas (SPO)
• Quapaw Quarter Association

CALIFORNIA

• Office of Historic Preservation (SHPO)
• California Preservation Foundation (SPO)
• Los Angeles Conservancy
• Pacific Grove Heritage Society
• Preservation Action Council of San Jose
• Santa Barbara Trust for Historic Preservation

COLORADO

• Colorado Historical Society -- Office of Archaeology and Historic Preservation (SHPO)
• Colorado Preservation (SPO)
• Estes Park Area Historical Museum
• Boulder County Historic Preservation Program

CONNECTICUT

• Connecticut Commission on Culture and Tourism (SHPO)
• Connecticut Trust for Historic Preservation (SPO)

• Delaware State Historic Preservation Office (SHPO)
• Preservation Delaware, Inc. (SPO)
• Historical Society of Delaware

DISTRICT OF COLUMBIA

• Historic Preservation Division, Department of Consumer and Regulatory Affairs (SHPO)
• D.C. Preservation League (SPO)

FLORIDA

• Preservation, Office of Cultural and Historical ProgramsDivision of Historical Resources (SHPO)
• Florida Trust for Historic Preservation (SPO)

GEORGIA

• Georgia Historic Preservation Division (SHPO)
• Georgia Trust for Historic Preservation (SPO)

HAWAII

• State Historic Preservation Division, Department of Land and Natural Resources (SHPO)
• Historic Hawai'i Foundation (SPO)
• Malama o Manoa

IDAHO

• State Historic Preservation Office, Idaho State Historical Society (SHPO)
• Idaho Historic Preservation Council (SPO)

ILLINOIS

• Illinois Historic Preservation Agency (SHPO)
• Landmarks Preservation Council of Illinois (SPO)
• Chicago Landmarks
• Illinois Heritage Association

INDIANA

• Division of Historic Preservation and Archeology, Indiana Department of Natural Resources (SHPO)
• Historic Landmarks Foundation of Indiana (SPO)
• The Indiana Historic Architecture Home Page

IOWA

• State Historic Preservation Office, State Historical Society of Iowa (SHPO)
• Iowa Historic Preservation Alliance (SPO)

KANSAS

• Kansas Historic Preservation Office, Kansas State Historical Society (SHPO)
• Kansas Preservation Alliance (SPO)
• Historic Preservation Alliance of Wichita and Sedgwick County

KENTUCKY

• Kentucky Heritage Council (SHPO)
• Preservation Kentucky, Inc. (SPO)

LOUISIANA

• Division of Historic Preservation, Office of Cultural Development (SHPO)
• Louisiana Preservation Advocates (SPO)
• Historic New Orleans Collection
• Division of Historic Preservation
• Preservation Resource Center of New Orleans

MAINE

• Maine Historic Preservation Commission (SHPO)
• Maine Preservation (SPO)
• Greater Portland Landmarks

MARYLAND

• Maryland Historical Trust (SHPO)
• MHT list of National Register Properties in Maryland
• Preservation Maryland(SPO)
• Historic Annapolis Foundation
• Historic Towson
• Peerless Rockville
• The historic sites page of the Maryland National Capital Park and Planning Commission
• Prince George's County Historical and Cultural Trust

MASSACHUSETTS

• Massachusetts Historical Commission (SHPO)
• Architectural Conservation Trust for Massachusetts (SPO)
• PreservatiON MASS
• Boston Preservation Alliance
• Friends of Historical Preservation - Freetown, MA
• Martha's Vineyard Preservation Trust
• Preservation Worcester
• Historic New England

MICHIGAN

• Michigan's State Historic Preservation Office (SHPO)
• Michigan Historic Preservation Network (SPO)

MINNESOTA

• Minnesota State Historic Preservation Office
• Preservation Alliance of Minnesota (SPO)
• Blue Earth County Historical Society
• Minnesota Land Trust

MISSISSIPPI

• Historic Preservation Division, Mississippi Department of Archives and History (SHPO)
• Mississippi Heritage Trust (SPO)

MISSOURI

• Historic Preservation Program, State Department of Natural Resources (SHPO)
• Landmarks Association of St. Louis
• Missouri Cultural Resources Office
• Missouri Alliance for Historic Preservation (SPO)

MONTANA

• Montana Historical Society
• State Historic Preservation Office, Montana Historical Society (SHPO)
• Montana Preservation Alliance (SPO)

NEBRASKA

• State Historic Preservation Office, Nebraska State Historical Society (SHPO)
• Nebraska Preservation Council

NEVADA

• Nevada State Historic Preservation Office
• Nevada Heritage
• Las Vegas Historic Preservation Office
• White Pine County Historical and Archeological Society

NEW HAMPSHIRE

• Division of Historical Resources (SHPO)
• New Hampshire Preservation Alliance (SPO)

NEW JERSEY

• New Jersey Historic Trust (SHPO)
• Preservation New Jersey (SPO)

NEW MEXICO

• New Mexico Historic Preservation Division (SHPO)
• New Mexico Preservation Coalition (SPO)

NEW YORK

• New York State Parks, Recreation & Historic Preservation (SHPO)
• Preservation League of New York State (SPO)
• Historic Essex
• Historic Hudson Valley
• Landmarks Preservation Commission of New York City
• New York Landmarks Conservancy
• Preserve and Protect (Historic Preservation and Environmental Protection Organizations)

NORTH CAROLINA

• North Carolina State Historic Preservation Office (SHPO)
• Preservation North Carolina (SPO)
• Burlington Historic Preservation Commission
• Charlotte-Mecklenburg Historic Landmarks Commission
• Salisbury Historic Preservation
• Wake County Historic Preservation Commission

NORTH DAKOTA

• Archeology and Historic Preservation Division, State Historical Society of North Dakota (SHPO)
• Preservation North Dakota (SPO)

OHIO

• Ohio Historic Preservation Office (SHPO)
• Ohio Preservation Alliance (SPO)
• Ohio Community and Heritage Council (SPO)
• Cincinnati Preservation Association
• Columbus Landmarks Foundation

OKLAHOMA

• State Historic Preservation Office, Oklahoma Historical Society (SHPO)
• Preservation Oklahoma, Inc. (SPO)

OREGON

• Historic Preservation Northwest (Oregon and Washington State)
• Oregon State Historic Preservation Office (SHPO)
• Historic Preservation League of Oregon (SPO)

PENNSYLVANIA

• Bureau for Historic Preservation, Pennsylvania Historical and Museum Commission (SHPO)
• Preservation Pennsylvania (SPO)
• Johnstown Area Heritage Association
• Pittsburgh History & Landmarks Foundation
• Preservation Alliance for Greater Philadelphia

RHODE ISLAND

• Historical Preservation and Heritage Commission (SHPO)
• Providence Preservation Society

SOUTH CAROLINA

• South Carolina State Historic Preservation Office (SHPO)
• Palmetto Trust for Historic Preservation (SPO)
• Historic Charleston Foundation
• Historic Columbia Foundation
• Preservation Society of Charleston

SOUTH DAKOTA

• State Historic Preservation Office, South Dakota State Historical Society (SHPO)
• Preserve South Dakota (Formerly the Historic South Dakota Foundation)

TENNESSEE

• Tennessee Historical Commission, Department of Environment and Conservation (SHPO)
• Association for the Preservation of Tennessee Antiquities (SPO)
• Tennessee Preservation Trust (SPO)
• Metropolitan Historical Commission (Nashville)

TEXAS

• Texas Historical Commission (SHPO)
• Preservation Texas (SPO)
• El Paso Preservation Alliance
• Galveston Historical Foundation
• Historic Tyler, Inc.
• Preservation Dallas
• San Antonio Conservation Society
• Texas Historical Foundation

UTAH

• Utah State Historical Society (SHPO)
• Utah Heritage Foundation (SPO)

VERMONT

• Vermont Division for Historic Preservation (SHPO)
• Preservation Trust of Vermont (SPO)
• Historic Windsor
• Vermont Heritage Network

VIRGINIA

• Department of Historic Resources (SHPO)
• Association for the Preservation of Virginia Antiquities (SPO)
• Preservation Alliance of Virginia (SPO)
• Central Virginia Battlefields Trust
• Historic Richmond Foundation

WASHINGTON

• Historic Preservation Northwest (Oregon and Washington State)
• Office of Archaeology and Historic Preservation (SHPO)
• Washington Trust for Historic Preservation (SPO)
• Historic Seattle
• Spokane City-County Historic Preservation Department
• City of Seattle Department of Neighborhoods

WEST VIRGINIA

• State Historic Preservation Office, West Virginia Division of Culture and History (SHPO)
• Preservation Alliance of West Virginia (SPO)
• Scenic West Virginia

WISCONSIN

• State Historical Society of Wisconsin, Historic Preservation Division (SHPO)
• Wisconsin Trust for Historic Preservation (SPO)
• Madison Trust for Historic Preservation

WYOMING

• Wyoming State Historic Preservation Office (SHPO)

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