The Assessor’s Office is tasked to ensure that the tax burden is distributed equitably among all property owners. To accomplish this all property is valued with uniform and consistent processes and procedures following Missouri Revised Statutes.

The Personal Property section provides you a connection to many of the personal and business property assessment lists and forms used by the Assessor’s Office, along with a comprehensive list of FAQ’s for business and personal property.

The Real Estate section provides a connection to resources including a Parcel Search that provides valuation and appraisal information, and Change of Valuation Notices.

The GIS/Mapping division creates, manages, and publishes land parcel data using current geographical information system (GIS) technology. Custom maps are available for purchase.



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Please note that you will need the account number that was printed on the paper assessment form mailed to you.  If you are a leasing company with more than 25 accounts you may request the values through email at
The Clay County Assessor's Office wishes everyone a happy and successful New Year.

Real Estate:

All County Assessors in Missouri are required to value real estate property in the county as of January 1st of each odd-numbered year. January 1, 2019, is the assessment date for the current assessment cycle.

Increase valuation notices will be posted online approximately April 1, 2019. If the assessed value of your property increases, a Change-of-Value Notice will be mailed to you.

The Assessor's Office will start scheduling informal Hearings after April 1st. To schedule an appointment for an informal hearing, call our office between April 1st and May 3rd, 2019.

Residential & Agricultural Property: (816) 407-3510

Commercial Real Estate Property: (816) 407-3530

If you have any questions, please contact our office. We will be glad to assist you.

Clay County, Mo.

Contact Us

Clay County Assessor
Cathy Rinehart

Clay County Courthouse
1 Courthouse Square
Liberty, Missouri 64068
Phone: (816) 407-3500
Fax: (816) 407-3501
Email the Assessor

Clay County Courthouse Annex
1901 NE 48th St
Kansas City, Missouri 64118
Phone: (816) 407-3470
Fax: (816) 407-3461
Business: (816) 407-3460

234 W. Shrader St, Suite D
Liberty, Missouri 64068
Phone: (816) 407-3370
Fax: (816) 407-3371
Email GIS/Mapping