Casco Township vs Saint Clair Township: property taxes compared
Saint Clair Township is the cheaper of the two. Its lowest homestead rate is 23.5755 mills against Casco Township's 24.5978 — about $179 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 |
|---|---|---|---|---|---|
| Saint Clair Township | 23.5755–29.3354 | 2 of 31 | $2,947 | $4,126 | $5,894 |
| Casco Township | 24.5978–31.7024 | 8 of 31 | $3,075 | $4,305 | $6,149 |
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 | Casco Township | Saint Clair Township | Gap on $350k |
|---|---|---|---|
| East China Twp School District | 24.5978 | 23.5755 | $179/yr |
Common questions
Is Casco Township or Saint Clair Township cheaper for property taxes?
Saint Clair Township is the cheaper of the two. Its lowest homestead rate is 23.5755 mills against Casco Township's 24.5978 — about $179 a year less on a $350,000 home at the uncapped taxable value.
How much more are property taxes in Casco Township than Saint Clair Township?
About $179 a year on a $350,000 home — 24.5978 mills versus 23.5755 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.
Do Casco Township and Saint Clair Township share any school districts?
Yes — East China Twp 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.