Postmarks and Filing Deadlines (Important Notice)

Taxpayer's Responsibility

Taxpayers are responsible to ensure that their documents are received at the Assessor's Office timely, before the deadline.

How Postmarks Affect A Taxpayer's Filing

The assessment laws have strict filing deadlines to qualify for various property tax relief provisions and to avoid late filing penalties, and many people rely on postmarks:

  • If mail is postmarked by the Post Office, the law requires the Assessor to use the date a document is postmarked.
  • If mail is not postmarked by the Post Office, the law requires the Assessor to use the date a document is physically received in our office (all mail is date stamped the same day we receive it)

Not All Postage Is Postmarked

Be aware that some types of postage are not postmarked (cancelled and dated by the Post Office), as the Post Office now sells stamps that are printed by machines in Post Office lobbies that are not postmarked by the Post Office. This new variation is being shared to caution you:

File your documents early and consider the type of postage you use.