Tax relief and valuation review
A homestead exemption, senior-relief program, or valuation protest can change the amount a homeowner owes—but only if the filing reaches the right local office in the correct window. Use the verified county guidance below as your working checklist, then confirm the current form and deadline with Pettis County Assessor.
Relief programs
The filing guidance for this county is: no general Missouri homestead exemption was verified; the county’s 2026 personal-property assessment-list deadline was March 1, 2026. Use the official form or application channel, provide the residence and ownership documentation requested, and keep a copy of the submission.
Review county contact informationPettis County Senior Real Estate Property Tax Relief Program (SB 190): eligible Pettis County residents age 62 or older before January 1 of the initial credit year who own/hold an interest in and occupy a primary homestead at least 183 days and are liable for the tax may receive a credit freezing the base-year liability. 2026 initial/renewal applications were accepted March 2–May 29, 2026; credit applies to the 2026 real-estate tax statement. Application: https://pettiscomo.com/wp-content/uploads/2026/02/2026_SB_190_NEW_Application.pdf
No general local annual valuation cap was verified. Under Missouri law (RSMo §137.115), real property is reassessed in odd-numbered years; the odd-year assessed values generally apply in the following even-numbered year except new construction and improvements. Statutory assessment ratios are 19% residential, 12% agricultural, and 32% commercial.
Appealing an assessment
Use the valuation notice and the county’s published protest guidance to determine the last day to file. Do not assume the payment deadline controls the appeal.
Gather comparable sales, photographs, repair records, appraisal evidence, property characteristics, and any documentation that explains why the assessed value is incorrect.
Submit through the official channel, save the confirmation, and attend the board or review hearing if one is scheduled. An appraiser or attorney can help evaluate evidence when the value or stakes are substantial.
The verified protest guidance for this county is: For 2026, appeal to the county Board of Equalization by Monday, July 13, 2026 (the second Monday in July), unless the county extends the deadline; Missouri State Tax Commission complaint due September 30, 2026, or within 30 days after the BOE decision, whichever is later. If the language is not a specific calendar date, contact the office promptly for the current notice and board-review schedule.