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Lenawee County · Tecumseh, MITecumseh, MI property taxes. Values jumped. Make sure yours is right.
The typical home in Tecumseh was worth about $257,000 in January 2026, up 6.6% in a year. When values move this fast, assessments can overshoot individual homes, especially ones that need work.
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What Tecumseh home values did
Tecumseh values rose 6.6% in the year to January 2026, reaching a new high. That's stronger than Lenawee County as a whole (+4.6%).
Since January, values have risen 3.2% through August 2026.
| Month | Typical value | vs. a year earlier |
|---|---|---|
| January 2021 | $194,000 | +9.8% |
| January 2022 | $214,000 | +10.5% |
| January 2023 | $228,000 | +6.3% |
| January 2024 | $237,000 | +4.1% |
| January 2025 | $241,000 | +1.7% |
| January 2026 | $257,000 | +6.6% |
| August 2026 (latest) | $265,000 | +3.2% since January |
January 2026 was the highest month since 2021.
What to check on your notice
The typical Tecumseh home gained 6.6% in the year to January 2026. A notice that rose far more than that, or a value above what similar homes nearby actually sold for, is the usual starting point for an appeal.
How Tecumseh compares nearby
Among 10 Lenawee County places, Tecumseh has the 3rd largest drop from its peak and the 5th highest typical value. Statewide, its 1-year change ranks 617th of 759 Michigan places, from weakest to strongest.
| Place | January 2026 | 1-year change | vs. peak |
|---|---|---|---|
| Adrian | $189,000 | +3.5% | At peak |
| Tecumseh | $257,000 | +6.6% | At peak |
| Madison | $228,000 | +7.0% | At peak |
| Raisin | $272,000 | +6.4% | At peak |
| Hudson | $197,000 | +5.4% | At peak |
| Onsted | $275,000 | +1.5% | -0.1% |
| Blissfield | $244,000 | +2.0% | At peak |
| Clinton | $269,000 | +4.4% | At peak |
| Morenci | $177,000 | +9.2% | At peak |
| Britton | $286,000 | +3.5% | At peak |
Deadline and where to file
Tecumseh values are set by the local city or township assessor. First protest to your local March Board of Review, which starts hearing appeals on the second Monday in March (a local unit can move the start to the Tuesday or Wednesday of that week). Dates and the letter-appeal cutoff are set locally. To go further on a residential property you must file a petition with the Michigan Tax Tribunal by July 31 of the tax year.
Reading this in fall 2026? The 2026 July 31 Tax Tribunal deadline has passed. The next regular chance is the March 2027 Board of Review. The state's rule puts appeal meetings on the second Monday in March, which is March 8, 2027, though your city or township sets its own hours and letter-appeal cutoff, so check its site in February when notices go out. If you miss that, the July and December Boards of Review (the December 2026 one is scheduled for Dec 15 unless your local unit moves it) have much narrower authority, so do not count on them for an ordinary value dispute.
The Lenawee County guide covers the full Michigan appeal process: forms, fees, hearing levels and what happens next.
Building a Tecumseh case
A citywide index shows the trend. Your case needs your house. Tecumseh is part of the Adrian metro, but your evidence should be local. Sales a few streets away usually beat sales across the metro.
- Bring recent sales of similar homes near you, close to the December 31 tax day. Note that State Equalized Value is meant to be about half of market value.
Get your Tecumseh appeal report
Start with your address. Vulorean checks your assessment against recent comparable sales and builds a value report you can bring to your Michigan appeal. Eligible reports are free during launch; an account is required and local filing fees are separate.
Check my property and get a report →Vulorean was built for California first. Michigan forms, deadlines and filing rules vary, so confirm them with your local office before filing. If something in your report looks wrong, email support@vulorean.com and we'll get it fixed.
Home values: Zillow Home Value Index (ZHVI), all homes, mid-tier, smoothed and seasonally adjusted, through August 2026, from Zillow Research. Rules: Michigan State Tax Commission Bulletin 16 of 2025: 2026 Boards of Review, Michigan State Tax Commission Board of Review Q&A, Michigan Tax Tribunal: Small Claims fees, Michigan Tax Tribunal: Small Claims petition (property tax appeal). Vulorean is an independent service, not a government office. Confirm dates and forms with your local office.