La_county_parcel_map_service (1).geojson Here

The "LA_County_Parcel_Map_Service (1).geojson" file is a comprehensive geospatial dataset maintained by the LA County Office of the Assessor, covering digital boundaries and assessment information for approximately 2.4 million properties. This official GIS Tax Parcel Base Map utilizes GeoJSON format to link geographic shapes to assessor identification numbers (AIN) and property data across 4,080 square miles. For the official dataset and map service, visit LA County Parcel Map Service . Parcels | County of Los Angeles Open Data