Iosco Township vs Putnam Township: property taxes compared
Iosco Township is the cheaper of the two. Its lowest homestead rate is 23.5792 mills against Putnam Township's 23.6018 — about $4 a year less on a $350,000 home at the uncapped taxable value.
Side by side
| Municipality | Homestead mills | County rank | $250,000 | $350,000 | $500,000 |
|---|---|---|---|---|---|
| Iosco Township | 23.5792–27.9259 | 12 of 19 | $2,947 | $4,126 | $5,895 |
| Putnam Township | 23.6018–37.6199 | 13 of 19 | $2,950 | $4,130 | $5,900 |
Dollar columns are the annual homestead bill at the uncapped taxable value — roughly half the purchase price. Multi-district cities show their full rate range; the rank and dollar figures use each city's lowest district.
Same schools, different bill
These two municipalities share 1 school district. A school district is not a taxing unit — the city millage stacks on top — so the same classrooms can cost a different amount per year depending on which side of the municipal line the house sits.
| Shared district | Iosco Township | Putnam Township | Gap on $350k |
|---|---|---|---|
| Howell Public School District | 23.5792 | 23.6018 | $4/yr |
Common questions
Is Iosco Township or Putnam Township cheaper for property taxes?
Iosco Township is the cheaper of the two. Its lowest homestead rate is 23.5792 mills against Putnam Township's 23.6018 — about $4 a year less on a $350,000 home at the uncapped taxable value.
How much more are property taxes in Putnam Township than Iosco Township?
About $4 a year on a $350,000 home — 23.6018 mills versus 23.5792 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.
Do Iosco Township and Putnam Township share any school districts?
Yes — Howell Public School District. The rate still differs across the municipal line because city millage stacks on top of the school levy, so the same district can cost more in one city than the other.
Will my bill match what the listing shows?
Usually not, in either city. Michigan taxable value uncaps the year after a sale and resets to roughly half the purchase price, so the seller's capped bill on the listing is almost always lower than what you will pay.