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Michigan Property Tax Updates

UPDATED december 2025

December 31, 2025 Michigan Update From Honigman LLP

  1. Coming Soon: 2026 Michigan Assessment Notices & Tax Appeal Deadlines

During the first quarter, Michigan assessors will be sending 2026 assessment notices.  For some properties, including those real property parcels that assessors have classified as agricultural or residential, an appeal to the Michigan Tax Tribunal usually requires first satisfying appeal requirements at the local level by appealing to the local Board of Review.

 Michigan’s inflation cap for taxable values (on which taxes are based), will be 2.7% for 2026.  When combined with the 3.1% increase in 2025 and 5% increases in 2023 and 2024, some properties will be suffering from 15.8% plus tax increases during a relatively short period in which cap rates for many properties have increased and property values have declined.   

For Michigan properties that the assessors have classified as commercial real or industrial real, taxpayers should calendar May 31 as the appeal deadline for valuation appeals notwithstanding that the deadline is extended to the following Monday because May 31, 2026 is a Sunday.  Those with property tax concerns, whether because of a valuation, exemption or other issue, should confer with their property tax counsel as soon as reasonably possible.

  1. The Tax Tribunal is Sue Sponte Dismissing Appeals Deemed Untimely

The Tribunal is interpreting the Michigan Supreme Court’s decision in Sixarp LLC v Byron Twp, ___ Mich ___; ___ NW3d ___ (2025) as requiring the Tax Tribunal to sue sponte dismiss cases that it deems untimely filed. The Tax Tribunal is taking the position that if a case is untimely filed, then the Tribunal does not have jurisdiction to take any action in the case, because the Tribunal does not have equitable powers to waive or otherwise disregard a statutory requirement or filing deadline. The Tax Tribunal, however, is dismissing cases without giving the parties an opportunity at a default proceeding to provide evidence regarding the timing of the filing which could be a due process violation. The Michigan Court of Appeals will be reviewing this issue eventually.

  1. Appellate Decisions to Watch for in Early 2026

The Michigan Supreme Court recently held oral argument in Knier Powers v Bay City, regarding whether the value of a new roof results in a taxable value uncapping. The taxpayer is a law firm that owns an office building in Bay City. The taxpayer replaced the roof in 2021. Because of the roof project, Bay City uncapped the property’s taxable value, adding value attributable to the replacement roof. Bay City asserted the replacement roof was an “addition” within the meaning of MCL 211.27a(2)(a). Under MCL 211.27a(2)(a), taxable value may be uncapped to include the value of “additions.” Bay City asserted the replacement roof was “new construction” which is a type of addition as defined in MCL 211.34d(1)(b)(iii). “New construction” is “not in existence on the immediately preceding tax day” and is not replacing property damaged or destroyed by accident or act of God. MCL 211.34d(1)(b)(iii), (v). The Michigan Court of Appeals held that “the installation of a new roof on a commercial building was ‘new construction,’ and, therefore,” it was an “addition” that is not subject to the taxable value cap.

The Court of Appeals recently held oral argument in IIP-MI 4 LLC & LivWell Michigan LLC v City of Warren. The Tax Tribunal held a cannabis grow operation was devoted primarily to agricultural use and therefore “qualified agricultural property” that is exempt from 18 mills of school operating tax. The Tax Tribunal held that even though the taxpayer should have appealed the exemption denial to the July board of review under MCL 211.7ee(6), because the assessor’s denial misled the taxpayer by advising an appeal could be made to the July or December board of review, the taxpayer’s due process rights were violated, and the Tax Tribunal could excuse the board appearance and accept jurisdiction to review the exemption issue.

Jackie J. Cook
Honigman LLP
American Property Tax Counsel (APTC)

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