Every 4 years the assessor, in person or by deputy, shall actually view and determine the value of each property for taxation as of January 1st of that year. The entire county can be done in the quad year or the county can be divided into quadrants. Then each quadrant has a general reassessment every 4 years. Henry County is divided in to quadrants and has quadrant quadrennials.
Each quadrant is reassessed by the year shown below and every fourth year thereafter.