The mission of the Preservation Alliance is to actively promote the appreciation, protection, and appropriate use and development of the Philadelphia region’s historic buildings, communities and landscapes.
City of Philadelphia Historical Commission
The Philadelphia Historical Commission – Philadelphia’s Principal Public Steward of Historic Resources. Find resources, contact information, rules and regulations, and more.
Pennsylvania Historical and Museum Commission
The Bureau for Historic Preservation is part of the Pennsylvania Historical and Museum Commission and serves as the State Historic Preservation Office. The bureau administers the state’s historic preservation program as authorized by the Pennsylvania History Code and the National Historic Preservation Act of 1966.
National Register of Historic Places
The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.