Saint Clair County · Official 2025 state millage

Casco Township vs Columbus Township: property taxes compared

Columbus Township is the cheaper of the two. Its lowest homestead rate is 23.5871 mills against Casco Township's 24.5978 — about $177 a year less on a $350,000 home at the uncapped taxable value.

Side by side

MunicipalityHomestead millsCounty rank$250,000$350,000$500,000
Columbus Township23.5871–29.34703 of 31$2,948$4,128$5,897
Casco Township24.5978–31.70248 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 2 school districts. 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 districtCasco TownshipColumbus TownshipGap on $350k
East China Twp School District24.597823.5871$177/yr
Richmond Community School District28.202427.1917$177/yr

Common questions

Is Casco Township or Columbus Township cheaper for property taxes?

Columbus Township is the cheaper of the two. Its lowest homestead rate is 23.5871 mills against Casco Township's 24.5978 — about $177 a year less on a $350,000 home at the uncapped taxable value.

How much more are property taxes in Casco Township than Columbus Township?

About $177 a year on a $350,000 home — 24.5978 mills versus 23.5871 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.

Do Casco Township and Columbus Township share any school districts?

Yes — East China Twp School District, Richmond Community 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.