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Important Dates

January 1:
The Assessment date, all property is assessed as it exists on this date (except for Taxation upon Occupancy

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March 1:
Last day to file personal property declarations without a penalty.

Mid April & Early May:
Notices of Real Estate Assessment mailed.

End of April through Mid June:
Informal hearings held.

3rd Monday in June:
Deadline to file appeals to the Board of Equalization. The Boone County Board of Equalization has extended the deadline to file until Monday, June 18, 2018 for the 2018 tax year.

July 1:
Certification of Tax Rolls, the Assessor turns all values over to the County Council and taxing jurisdictions.

September 30:
Deadline to file appeals to the Missouri State Tax Commission (or 30 days from BOE decision date).

Statement of Non-Assessment Information

To obtain a certificate of non-assessment from the Boone County Assessor for Missouri Department of Revenue vehicle registration or license plate renewal you will need one of the following documents:

Plat Books

Plat Book Viewer

Plat books are available for purchase for $35 in the Assessor's Office, as a PDF to download and print, or to view on your mobile device/​PC using the map viewer.

For more details and other interactive maps, visit the viewer information page.