Los Angeles Historic Preservation Overlay Zone

A Historic Preservation Overlay Zone is a designation that the city of Los Angeles uses as a zoning tool to protect and preserve neighborhoods with architectural and historical significance. == History == In 1978, the city of Los Angeles held a public hearing to amend the municipal code to allow for Historic Preservation Overlay Zones.

Source: Wikipedia — Los Angeles Historic Preservation Overlay Zone (CC BY-SA 4.0)