Assessment Notices by State: A Month-by-Month National Calendar

Updated August 10, 2026. Property-assessment calendars do not follow one national schedule. The useful question is not “What is the national deadline?” but “Which timing model controls this property, and what does the current official notice say?”This month-by-month guide helps homeowners recognize the major notice and review patterns used across the country.

It is an educational planning tool, not a substitute for the current notice, parcel record, or instructions from the responsible assessor, clerk, board, or appeal body.The four timing models to recognize1.

A recurring statewide date plus a notice-relative extensionTexas is a familiar example. The Texas Comptroller says residence-homestead notices of appraised value are generally sent by April 1, other notices by May 1, or as soon as practical afterward.

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