Fort Gratiot Township vs Port Huron: property taxes compared
Fort Gratiot Township is the cheaper of the two. Its lowest homestead rate is 28.1448 mills against Port Huron's 41.3099 — about $2,304 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 |
|---|---|---|---|---|---|
| Fort Gratiot Township | 28.1448 | 21 of 31 | $3,518 | $4,925 | $7,036 |
| Port Huron | 41.3099 | 28 of 31 | $5,164 | $7,229 | $10,327 |
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 | Fort Gratiot Township | Port Huron | Gap on $350k |
|---|---|---|---|
| Port Huron Area Schools | 28.1448 | 41.3099 | $2,304/yr |
What the difference costs over time
Held for 10 years, that gap compounds to $23,039 at today's rates on a $350,000 home — before any millage change. At $250,000 the annual difference is $1,646; at $500,000 it is $3,291. The gap scales with price, so it matters more at the top of each city's market than at the bottom.
Neither city splits across districts at different rates, so an address anywhere in Fort Gratiot Township pays the 28.1448-mill homestead rate and anywhere in Port Huron pays 41.3099. The comparison above is the whole story.
All figures use each city's lowest homestead rate at the uncapped taxable value — roughly half the purchase price — from the Michigan Department of Treasury's 2025 Total Rates report. A non-homestead property adds about 18 mills on top in either city.
Common questions
Is Fort Gratiot Township or Port Huron cheaper for property taxes?
Fort Gratiot Township is the cheaper of the two. Its lowest homestead rate is 28.1448 mills against Port Huron's 41.3099 — about $2,304 a year less on a $350,000 home at the uncapped taxable value.
How much more are property taxes in Port Huron than Fort Gratiot Township?
About $2,304 a year on a $350,000 home — 41.3099 mills versus 28.1448 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.
Do Fort Gratiot Township and Port Huron 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.