Clay County, MissouriProperty records & tax offices

Find the right property record

Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.

Tax bills & filing dates

These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.

Tax bill mailing
Mid-November 2026; Clay County says tax bills are normally mailed by mid-November and taxpayers should call by November 30 if a bill has not arrived.
Payment deadline
Clay County’s 2026 important-dates page lists payments due Wednesday, December 31, 2026; the Collector says a payment must be postmarked or deposited by that date to avoid late charges.
Assessment appeal
5:00 p.m. Monday, July 13, 2026; Clay County’s 2026 Board of Equalization form states the filing deadline. The Missouri State Tax Commission complaint deadline is September 30, 2026, or within 30 days after the Board decision, whichever is later.
More payment & deadline guidance →

Exemptions & appeals

View exemption application (opens in a new tab)
Exemption filing

January 1 through March 31, 2026, for Clay County’s Senior Real Estate Property Tax Relief application and renewal period; no general Missouri homestead exemption was verified.

Senior relief

Clay County Senior Real Estate Property Tax Relief under county ordinance/SB 190: applicant must be 62 or turn 62 in the application year, be a Clay County resident, own or have a vested legal interest in a primary residence, and be responsible for its property tax. The 2026 application/renewal period was January 1–March 31, 2026; the 2026 ordinance update includes certain bonded-debt levies and excludes the State Blind Pension Fund.

Valuation limits

No general local annual valuation cap was verified. Clay County’s senior program credits eligible tax-liability increases and does not cap market or assessed value; Missouri uses odd-year reassessment and 12%/19%/32% statutory ratios.

For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.

More exemption & appeal guidance →