How to Find Designated Historic Properties

For information on properties identified through SurveyLA visit the Survey Findings portion of our website. If you are looking to find out whether a particular property in the city has a historic designation or a Mills Act contract follow the instructions below.

The Office of Historic Resources has consolidated information on the city’s historic resources into the Planning Department’s GIS-based Zoning Information and Map Access System (ZIMAS) database. We are pleased to provide a step-by-step Guide to Using Zimas to Find Historic Preservation Information.

Currently, ZIMAS includes properties in six categories:

  1. Designated as City Historic-Cultural Monuments (HCM)
  2. Under consideration as City Historic-Cultural Monuments
  3. Located within designated City Historic Preservation Overlay Zones (HPOZ)
  4. Designated as State Landmarks
  5. Listed in the National Register of Historic Places (individually or within a historic district)
  6. Determined eligible for listing in the National Register of Historic Places (individually or within a historic district) with concurrence from the State Office of Historic Preservation and listed in the California Register

It is important to understand that ZIMAS is not comprehensive in its data on historic properties. Properties will be added to ZIMAS as the SurveyLA project continues and as other City departments complete surveys. The Office of Historic Resources staff recommends that you contact us regarding a property NOT listed in ZIMAS, particularly if the property is 50 years of age or older.