This application uses licensed Geocortex Essentials technology for the Esri ArcGIS platform. All rights reserved..Parcel Maps with the Certificate of Corrections are included within the file where applicable. Image Properties Parcel Maps are named with a leading “PM” for Parcel Map followed by a six digit number representing the desired Parcel Map number. Click here to go to the Los Angeles County Office of the Assessor’s website. Parcel Map Table .