Royal Oak is taxed at 37.9610–42.7595 mills across 3 school districts. That is 3.58 mills above the Oakland County median and 5.36 mills above the Southeast Michigan median — the 34th lowest of 52 municipalities in the county, and 149 of 236 region-wide.
| School district | Homestead | Non-homestead | $250,000 | $350,000 | $500,000 |
|---|---|---|---|---|---|
| Royal Oak City School District | 37.9610 | 54.9301 | $4,745 | $6,643 | $9,490 |
| Berkley City School District | 41.9416 | 59.9416 | $5,243 | $7,340 | $10,485 |
| Clawson City School District | 42.7595 | 60.7595 | $5,345 | $7,483 | $10,690 |
Homestead (PRE) applies to your primary residence. Non-homestead applies to rentals and second homes. Dollar columns are the annual bill at the uncapped taxable value — half the purchase price — at the homestead rate.
| Municipality | Lowest millage | Annual tax on $350,000 |
|---|---|---|
| Clarkston | 36.2619 | $6,346 |
| Berkley | 36.3012 | $6,353 |
| Oxford Township | 37.1942 | $6,509 |
| Royal Oak Township | 37.2947 | $6,527 |
| Royal Oak | 37.9610 | $6,643 |
| Birmingham | 38.1422 | $6,675 |
| Fenton | 38.3646 | $6,714 |
| Pontiac | 38.3748 | $6,716 |
| Farmington Hills | 39.4568 | $6,905 |
← Royal Oak Township (lower) · Birmingham (higher) →
1950
average year built · 1,355 sqft average across 20,917 single-family homes
SEMCOG Buildings_2024
4 ppb
90th percentile for Royal Oak, City Of · below Michigan's 12 ppb action level. Sampled at the fifth liter, which deliberately draws water that sat in the service line and reads higher by design — not comparable to systems that sample standard.
EGLE / MDHHS water-system monitoring, periods ending 2025-12-31
1.3 pCi/L
average across 719 home tests · 4% above the EPA 4 pCi/L action level — low. ZIPs 48073, 48067, 48070.
MDHHS indoor radon test results by ZIP
Lead is measured at the water system, not the house — it cannot tell you whether a specific property has a lead service line. Radon is a ZIP-level test distribution, not a prediction for any one home; the EPA recommends testing every home regardless. Screening information only.
Royal Oak is taxed at 37.9610–42.7595 mills for a homestead (principal residence) under the official 2025 Michigan Department of Treasury millage report. On a $350,000 home at the uncapped taxable value that is about $6,643 a year.
Yes. Royal Oak spans 3 school districts and the rate runs from 37.9610 to 42.7595 mills depending on the district your address falls in — a difference of $840 a year on a $350,000 home. The district table above lists every rate.
About $6,643 a year at the homestead rate. Michigan taxes the taxable value, not the sale price, and after a sale that value uncaps to roughly half what you paid — so $350,000 is taxed on about $175,000.
Because the figure on the listing is the seller's. Michigan caps annual taxable-value growth while an owner keeps the property, and that cap is removed the year after it sells. The longer the seller owned it, the further their bill sits below yours.
It is the 34 lowest of 52 municipalities in Oakland County and 149 of 236 across the eight-county region — 3.58 mills above the county median.
Michigan taxable value uncaps the year after a sale and resets to roughly half the purchase price. The calculator below is already set to Royal Oak — enter a price and the seller's current taxable value.
When a Michigan home changes hands, its taxable value uncaps the following year and resets to roughly half the sale price. Buyers routinely get blindsided by a bill that's thousands higher than the listing showed. Here's your actual number.
Enter the purchase price and the property's current taxable value (it's on the listing, the assessor's site, or we'll pull it for you).