The City of Santa Ana has two National Register Districts: Downtown Santa Ana (listed in 1984) and French Park (listed in 1999). In addition to National Register listing status, the French Park Neighborhood also maintains zoning protection for its structures through Specific Development 19 (SD-19). While not a National Register District, the Heninger Park neighborhood also has zoning protection for its historic buildings through Specific Development 40 (SD-40).
Maps of Santa Ana’s historic properties and districts are provided below. The properties on the Santa Ana Register of Historic Properties list correspond to the Citywide Historic Resources Map, by referencing the local Register number assigned to each historic property.