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Millage Rates
The total tax rate consists of millage rates for our public schools, the City of Troy, and Oakland County. School millage rates vary among school districts. Each school district has a Principal Residence Exemption rate for the residence owned and occupied by the taxpayer, and a non-Principal Residence Exemption rate for property not occupied as a principal residence by the taxpayer.
The millage rate times the taxable value (per thousand) is your tax obligation.
Example:
Taxable value ($150,550) x Millage rate (30.6705) - Divide by 1000 - Equals Estimated yearly tax
$150,550 TV x 30.6705 = $4,617,443.78 / 1000 = $4,617.44
Below are tables with the total millage rates for each school district within the City.
2025 Summer Mills PRE (Principal Residence Exemption)
| School Districts | Avondale | Birmingham | Bloomfield | Lamphere | Royal Oak | Troy | Warren Con |
|---|---|---|---|---|---|---|---|
| County Millages | |||||||
| County | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 |
| Intermediate Schools | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 4.5727 |
| Community College | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 |
| City Millages | |||||||
| Operating | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 |
| Capital | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 |
| Refuse | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 |
| Debt | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| Library | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 |
| School Millages | |||||||
| State Education | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 |
| School Operating | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| School Debt | 3.6500 | 3.8000 | 1.3750 | 0.0000 | 2.2000 | 3.0500 | 4.7800 |
| Supplemental | 0.0000 | 2.3192 | 2.1918 | 6.4924 | 1.0309 | 1.2898 | 3.1374 |
| Sinking Fund | 0.4000 | 0.0000 | 0.3454 | 1.4326 | 0.9906 | 0.4770 | 0.0000 |
| Other Millages | |||||||
| MISD DEBT | 0.1700 | ||||||
| Administration Fee | 0.1858 | 0.2065 | 0.1845 | 0.2246 | 0.1876 | 0.1935 | 0.2406 |
| Totals | 28.5674 | 30.6573 | 28.4283 | 32.4812 | 28.7407 | 29.3419 | 34.0974 |
2025 Summer Mills Non-H (Non-Homestead)
| School Districts | Avondale | Birmingham | Bloomfield | Lamphere | Royal Oak | Troy | Warren Con |
|---|---|---|---|---|---|---|---|
| County Millages | |||||||
| County | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 | 3.9301 |
| Intermediate Schools | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 3.1349 | 4.5727 |
| Community College | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 | 1.4747 |
| City Millages | |||||||
| Operating | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 | 6.5000 |
| Capital | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 | 1.1352 |
| Refuse | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 | 1.0900 |
| Debt | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| Library | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 | 1.0667 |
| School Millages | |||||||
| State Education | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 | 6.0000 |
| School Operating | 9.0000 | 9.0000 | 9.0000 | 8.9639 | 18.0000 | 9.0000 | 18.0000 |
| School Debt | 3.6500 | 3.8000 | 1.3750 | 0.0000 | 2.2000 | 3.0500 | 4.7800 |
| Supplemental | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| Sinking Fund | 0.4000 | 0.0000 | 0.3454 | 1.4326 | 0.9906 | 0.4770 | 0.0000 |
| Other Millages | |||||||
| MISD DEBT | 0.1700 | ||||||
| Administration Fee | 0.2758 | 0.2733 | 0.2526 | 0.2493 | 0.3573 | 0.2706 | 0.3892 |
| Totals | 37.6574 | 37.4049 | 35.3046 | 34.9774 | 45.8795 | 37.1292 | 49.1086 |
December Taxes available after December 1
Supplemental
This levy is used in school districts whose per pupil funding would not equal last year if that district only received its share of the State Education Tax and its operating levy for funding. This levy has sometimes been referred to as "hold harmless millage".
School Operating
As a result of Proposal A, this millage now applies only to Non-Principal Residence properties. The collection of this tax is remitted directly to the school district. This levy is subject to voter approval as current authorized millage expires.
State Education
This is the tax levy which was authorized by the passage of Proposal A. These funds go to the State of Michigan and are distributed to the school districts. State law required that beginning July of 2003, the entire State Education Tax (SET) will be collected in the summer levy.
Intermediate Schools
This is the levy of the Intermediate School District. Proposal A did not affect this levy and it appears only on the summer tax bill.
Community College
This levy goes to Oakland Community College and appears only on the summer tax bill.
Oakland County
Public Act 357 of 2004 amends the General Property Tax Act so that 100% of the county's fixed allocation millage shall be collected in July of each year.
