Gibraltar vs Rockwood: property taxes compared
Rockwood is the cheaper of the two. Its lowest homestead rate is 49.5771 mills against Gibraltar's 50.2453 — about $117 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 |
|---|---|---|---|---|---|
| Rockwood | 49.5771 | 19 of 43 | $6,197 | $8,676 | $12,394 |
| Gibraltar | 50.2453 | 23 of 43 | $6,281 | $8,793 | $12,561 |
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 | Gibraltar | Rockwood | Gap on $350k |
|---|---|---|---|
| Gibraltar School District | 50.2453 | 49.5771 | $117/yr |
Common questions
Is Gibraltar or Rockwood cheaper for property taxes?
Rockwood is the cheaper of the two. Its lowest homestead rate is 49.5771 mills against Gibraltar's 50.2453 — about $117 a year less on a $350,000 home at the uncapped taxable value.
How much more are property taxes in Gibraltar than Rockwood?
About $117 a year on a $350,000 home — 50.2453 mills versus 49.5771 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.
Do Gibraltar and Rockwood share any school districts?
Yes — Gibraltar 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.