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Assessor Parcel Formats for Southern California Counties

Assessor Parcel Formats for Southern California Counties

By Corinthian Title February 27, 2021

LOS ANGELES COUNTY

APN Format: (0000-000-000)

  • 1st Field - Book (four numeric characters)
  • 2nd Field - Page (three numeric characters)
  • 3rd Field - Parcel (three numeric characters)

ORANGE COUNTY

APN Format: (000-000-00)

  • 1st Field - Book (three numeric characters)
  • 2nd Field - Page (three numeric characters)
  • 3rd Field - Parcel (two numeric characters)

APN Format: (000-00-000)

This format is used for properties with undivided interest in the land (eg. Condominiums)

  • 1st & 2nd Fields - Project number (five numeric characters)
  • 3rd Field - Parcel number (three numeric characters)

RIVERSIDE COUNTY

APN Format: (000-000-000-0)

  • 1st Field - Book (three numeric characters)
  • 2nd Field - Page (three numeric characters)
  • 3rd Field - Parcel (three numeric characters)
  • 4th Field - Check Digit (one numeric character)

    • SAN BERNARDINO COUNTY

    APN Format: (0000-000-00)

    • 1st Field - Book (four numeric characters)
    • 2nd Field - Page (three numeric characters)
    • 3rd Field - Parcel (two numeric characters)

    SAN DIEGO COUNTY

    APN Format: (000-000-00-00)

    • 1st Field - Book (three numeric characters)
    • 2nd Field - Page (three numeric characters)
    • 3rd Field - Parcel (two numeric characters)
    • 4th Field - Parcel (two numeric characters)

    SANTA BARBARA COUNTY

    APN Format: (000-000-00)

    • 1st Field - Book (three numeric characters)
    • 2nd Field - Page (three numeric characters)
    • 3rd Field - Parcel (two numeric characters)

    VENTURA COUNTY

    APN Format: (0000-000-000)

    • 1st Field - Book (four numeric characters)
    • 2nd Field - Page (three numeric characters)
    • 3rd Field - Parcel (three numeric characters)

    If you would like more information on all the details in reading a parcel map, contact your Corinthian Title Representative and read our How To Read A Plat Map article.

    All information contained herein is for informational purposes only and is not intended to offer advice -- legal, financial or otherwise -- about specific situations or problems. Information is deemed reliable but not guaranteed. Always consult a professional before making decisions about your real estate situation. Intended for distribution to only one per individual for marketing purposes only on behalf of Corinthian Title Company. Not for reproduction. For consumer use only.