This interactive bar chart visualizes median home prices across New York State counties from 2022 to 2024, sorted by price for the selected year. Users can switch between years via the control panel buttons, click bars to highlight or dim counties, and hover to see a tooltip with a D3 line chart showing three-year price trends. Built with React and D3 v7, the visualization uses d3.scaleBand and d3.scaleLinear, transition methods for animated bar updates, and d3.axisBottom/axisLeft with gridlines.