When you activate the housing permit layer, all county boundaries in the United States will become visible. Hover over a boundary to view the county name, and click on any county to see its data for the past three years. To enable the housing permit layer, press "H" on your keyboard.

Once you activate the housing permit layer, a heatmap will display if the selected county falls within a CBSA (Core-Based Statistical Area) as defined by the U.S. Census. This heatmap reflects the annual housing growth percentage across the CBSA. Areas with the lowest growth percentage appear in light blue, while those with the highest are shown in dark blue. The CBSA’s range of values is displayed in the top right corner.

Below is our methodology for calculating the Annual Housing Growth percentage;

Average of implied permit value in the last 3 years/ Total # of households in the county