Oakland County · Official 2025 state millage

Keego Harbor vs Northville: property taxes compared

Northville is the cheaper of the two. Its lowest homestead rate is 39.9709 mills against Keego Harbor's 40.2912 — about $56 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
Northville39.970939 of 52$4,996$6,995$9,993
Keego Harbor40.291240 of 52$5,036$7,051$10,073

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.

What the difference costs over time

Held for 10 years, that gap compounds to $561 at today's rates on a $350,000 home — before any millage change. At $250,000 the annual difference is $40; at $500,000 it is $80. 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 Keego Harbor pays the 40.2912-mill homestead rate and anywhere in Northville pays 39.9709. 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 Keego Harbor or Northville cheaper for property taxes?

Northville is the cheaper of the two. Its lowest homestead rate is 39.9709 mills against Keego Harbor's 40.2912 — about $56 a year less on a $350,000 home at the uncapped taxable value.

How much more are property taxes in Keego Harbor than Northville?

About $56 a year on a $350,000 home — 40.2912 mills versus 39.9709 at each city's lowest homestead rate, using the official 2025 Michigan Treasury millage report.

Do Keego Harbor and Northville share any school districts?

No. Keego Harbor and Northville 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.