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California Office of Historic Preservation (OHP)

The California Office of Historic Preservation (OHP) administers federally and state mandated historic preservation programs to further the identification, evaluation,

California Historical Building Code (CHBC)

The CHBC provides an alternative building code for the preservation or rehabilitation of buildings designated as “historic.” These regulations are

State Designations

The California Register is the authoritative guide to the State’s historical and archeological resources and includes all properties listed in