A valuation date is the snapshot day the county uses to estimate value, often January 1. Sales after that date often do not count for that cycle's figure.
A valuation date for property taxes is the snapshot date the county uses to estimate value, often January 1 of the assessment year. Sales after that date often do not count toward that cycle's number. The notice in the mailbox is a later printout of a figure already frozen to that day.
What is a valuation date on a property tax assessment?
The IAAO glossary defines appraisal date, also called valuation date, as the date as of which a property's value is estimated, as specified by law. Some places also call that day a lien date. Mass appraisal writes every parcel as of that same snapshot. The reassessment cycle page is about how often a new snapshot is taken. This page is about the day on the snapshot.
Example: valuation date January 1, printed assessed value $200,000. A March sale at $250,000 does not automatically rewrite that January figure for the same cycle. That calendar split is an example, not one state's statute.
Look up if you are overpaying.
Do sales after the valuation date count for that tax year?
Often no, not for that cycle's official number. A later sale can inform a later roll. A property tax appeal still argues about the value as of the snapshot the county already used. The property tax glossary keeps that date next to assessed value. FairAppeal handles the entire appeal on your behalf when a filing goes forward, and there are no upfront costs with Fair Appeal.