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Michigan Property Tax Updates

UPDATED march 2026

March 31, 2026 Michigan Update

  1. 2026 Michigan Assessment Notices & Tax Appeal Deadlines

Michigan taxpayers should have recently received their 2026 assessment notices, so now is the time to review the notices and evaluate whether there is a basis to challenge the valuation.

 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.   

Valuation appeals for commercial and industrial properties are due to be filed with the Michigan Tax Tribunal by June 1 (the statutory due date, May 31, falls on a weekend which moves the 2026 due date to the following Monday). Taxpayers 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 Michigan Supreme Court vacated the Court of Appeals published opinion in Knier Powers v Bay City.

This case involves a law firm that owns an office building in Bay City. The law firm replaced the building’s roof in 2021. Bay City asserted that the replacement roof was “new construction” and an “addition” within the meaning of MCL 211.34d(1)(b)(iii).  Under MCL 211.27a(2)(a), taxable value (which is used to calculate taxes) includes the value of “additions.”  With additions not subject to Michigan’s taxable value cap, this is a potentially important case.

In May of 2025, the Michigan Court of Appeals held that “the installation of the new roof was ‘new construction,’ and, therefore,” it was an “addition” that is not subject to the taxable value cap.    On March 25, 2026, the Michigan Supreme Court vacated the Court of Appeals opinion and remanded it for the Court of Appeals’ consideration of whether the Tax Tribunal had exceeded its authority in reviewing the taxpayer’s claim that the property tax statute at issue conflicted with Michigan’s Constitution.  Whether the Court of Appeals issues its decision this year, or next year, this case could be appealed again this year to the Michigan Supreme Court, so the final outcome of this case is quite uncertain. 

  1. The Michigan Supreme Court will be reviewing the taxpayer’s application for leave in IIP-MI 4 LLC & LivWell Michigan LLC v City of Warren.

IIP-MI 4 LLC & LivWell Michigan LLC v City of Warren is one of several recent decisions that wrestles with the Michigan Tax Tribunal’s jurisdiction because of the Michigan Supreme Court’s decision in Sixarp issued earlier this year. In IIP, the taxpayer sought a Qualified Agricultural Exemption (“QAE”) for property used to grow cannabis.  The City denied the exemption and the Notice that the assessor sent stated that the taxpayer could appeal the denial to the July or December Board of Review (“BOR”) “under MCL 211.ee.”  The taxpayer appealed to the December BOR, which denied the exemption.  When the taxpayer appealed to the Tax Tribunal, however, the City claimed for the first time that the taxpayer was required to appeal to the July BOR.  The Tax Tribunal agreed and dismissed the case for lack of jurisdiction. The Court of Appeals majority affirmed, holding that, under MCL 211.7ee, a taxpayer who has its exemption request denied by the assessor must appeal to the July BOR and that the provisions in that statute allowing a taxpayer to appeal to either the July or December BOR, while technically applicable here, were not the appropriate section of the statute because the more specific section of the statute dealing with the denial of an exemption required appeal to the July BOR.  The dissent argued that the taxpayer had been misled by the City and that any taxpayer reading the statute would think that appeal to either the July or December BOR was acceptable given the language of the notice and the statute and, therefore, it would deny the taxpayer’s right to Due Process to deny the appeal. The taxpayer’s application for leave to appeal to the Michigan Supreme Court is pending.

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

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