Property tax changes, 2018-19

The map below uses data from county tax assessors to track the change in real market value, property tax owed and effective tax rate for tax parcels throughout the Portland metro area between 2018 and 2019. Property taxes in Oregon are calculated according to statewide ballot initiatives — Measure 5 and Measure 50 — passed in the 1990s. Those initiatives generally limit growth in assessed value to 3 percent per year, but variables like bond measures, overlapping jurisdictions, school district boundaries, local option levies, new construction, improvements to property and compression cause some properties to be taxed at higher rates than others.

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Market value change Tax bill change Tax rate change

*Real market value (RMV) is the market value of a property as determined annually by the county assessor; this map does not include forest or agricultural tax parcels