Mackinac County, MichiganProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
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.
- Payment deadline
- 2026 Michigan property-tax schedule: summer taxes are due September 14, 2026 unless a city charter provides a different date; late summer taxes accrue 1% monthly interest from September 15. Winter taxes are due and payable December 1, 2026, with the local unit/charter controlling the final penalty date. Unpaid 2025 taxes are returned to the county treasurer as delinquent on March 2, 2026 because March 1 is Sunday; the county adds a 4% administration fee and 1% monthly interest. Michigan State Tax Commission Bulletin 11 of 2025, Property Tax and Equalization Calendar for 2026.
- Assessment appeal
- 2026 assessment appeals are filed with the city or township Board of Review. The organizational meeting is March 3, 2026; appeal meetings begin March 9, 2026, with a permitted local alternative on March 10 or 11; the March Board must finish by April 6, 2026. A county-equalization appeal to the Michigan Tax Tribunal is generally due within 35 days after county adoption of the equalization report. Local meeting times and petition procedures vary.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
File Michigan Form 2368 Principal Residence Exemption Affidavit with the local city/township assessor by June 1, 2026 for the summer levy or November 1, 2026 for the winter levy. Late claims may be handled by the assessor under Michigan law.
Senior relief
Michigan has no single countywide senior exemption identified in the official sources reviewed. Eligible senior citizens and other statutory categories may apply to the local city/township treasurer for summer-tax deferment using Form 471; the state requires filing with the local treasurer by the designated deadline. Qualified homeowners or renters may also claim the Michigan Homestead Property Tax Credit.
Valuation limits
Michigan Proposal A taxable-value cap: for 2026, the State Tax Commission inflation-rate multiplier is 1.027 (2.7%). The capped-value formula is (2025 taxable value minus losses) × 1.027 + additions, subject to the statutory 5% ceiling. A transfer of ownership generally uncaps taxable value in the following year; additions, losses, and statutory exceptions also apply.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.