About this chart
This tool estimates what a home is worth on any date, starting from a value you know on a known date, such as its last sale price, and moving it with the price trend of similar homes sold nearby. It is a data-driven estimate, not an appraisal.
Find the property by address, confirm its details (you know them better than the county does), and choose the estimate basis: a single sale or a blend of its sales. Set the area the comparable sales come from with the radius circle or by drawing on the map.
Add adjustments for upgrades or deferred maintenance, each over its own dates, and the chart updates as you type.