Saint Clair County · Official 2025 state millage

Casco Township vs Clay Township: property taxes compared

Casco Township is the cheaper of the two. Its lowest homestead rate is 24.5978 mills against Clay Township's 25.2550 — about $115 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
Casco Township24.5978–31.70248 of 31$3,075$4,305$6,149
Clay Township25.255010 of 31$3,157$4,420$6,314

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.

Common questions

Is Casco Township or Clay Township cheaper for property taxes?

Casco Township is the cheaper of the two. Its lowest homestead rate is 24.5978 mills against Clay Township's 25.2550 — about $115 a year less on a $350,000 home at the uncapped taxable value.

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

About $115 a year on a $350,000 home — 25.2550 mills versus 24.5978 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.

Do Casco Township and Clay Township share any school districts?

No. Casco Township and Clay Township draw from different school districts, so a move between them changes both the city millage and the school levy underneath it.

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.