Equalization is a step in property taxation to bring a uniformity to tax assessment levels across different geographical areas or classes of properties. Equalization is usually in the form of a uniform percentage of increase or decrease to each area or class of property.^[1]

This article needs attention from an expert in taxation. The specific problem is: It will be difficult to explain this subject, its history, and methods in lay terms without some skill. (December 2019)

Attempts at explicit equalization in tax assessments date back at least as early as 1799.^[2]

• Fair market value