APN#s are often recorded differently depending on where you get it from. Some include dashes, others include extra 0′s, and different Counties have their APN#s recorded in different formats.
One of the first things that we ask when inputting a listing is for the County. Below is a list of Counties within MLS Listings and their APN# formats.
The X represents a number in the APN. Anything else must be entered as shown. This is particularly important for Santa Cruz county because an extra zero (0) is added. If you have a Dummy APN, a letter may have been added to the end of your APN.
County within MLS Listings APN# Format
Santa Clara XXX-XX-XXX
Santa Cruz XXX-XXX-0XX
San Mateo XXX-XXX-XXX
San Benito XXX-XXX-XXX
San Joaquin XXX-XXX-XX
Contra Costa XXX-XXX-XXX-X
San Francisco XXXX-XXX