1. Effective vs. Nominal Property Tax Rates
When comparing property tax burdens across different neighborhoods or states, nominal millage rates can be misleading because of varying assessment practices. Calculating your effective property tax rate—which is actual taxes paid divided by market value—is the best way to compare tax burdens.
2. Why Assessment Ratios Mislead Homeowners
Some counties assess properties at 100% of fair market value, while others assess at a fraction of market value (e.g. 10%). A home with a high nominal tax rate but a low assessment ratio can have a lower actual tax bill than a home in a low-rate county with a high assessment ratio.
3. How to Calculate Your Effective Tax Rate
To find your effective property tax rate, divide your total annual property tax bill by the current market value of your home, then multiply by 100. This provides a percentage rate that represents your true tax burden relative to your housing wealth.
4. Appealing Unfair Property Tax Assessments
If your effective property tax rate is higher than similar properties in your neighborhood, it suggests your home is over-assessed. You can use this effective rate calculation as evidence to file an appeal with your local tax board and request a assessment reduction.