Grant Township vs Port Huron Township: property taxes compared
Grant Township is the cheaper of the two. Its lowest homestead rate is 25.7171 mills against Port Huron Township's 30.9408 — about $914 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 |
|---|---|---|---|---|---|
| Grant Township | 25.7171–30.1899 | 14 of 31 | $3,215 | $4,500 | $6,429 |
| Port Huron Township | 30.9408 | 23 of 31 | $3,868 | $5,415 | $7,735 |
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 | Grant Township | Port Huron Township | Gap on $350k |
|---|---|---|---|
| Port Huron Area Schools | 28.8091 | 30.9408 | $373/yr |
Common questions
Is Grant Township or Port Huron Township cheaper for property taxes?
Grant Township is the cheaper of the two. Its lowest homestead rate is 25.7171 mills against Port Huron Township's 30.9408 — about $914 a year less on a $350,000 home at the uncapped taxable value.
How much more are property taxes in Port Huron Township than Grant Township?
About $914 a year on a $350,000 home — 30.9408 mills versus 25.7171 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.
Do Grant Township and Port Huron Township share any school districts?
Yes — Port Huron Area Schools. 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.