The Bright MLS |T3 Home Demand Index currently covers the three greater metropolitan market areas served by Bright MLS, namely the Greater Philadelphia Area (in blue), the Greater Washington D.C. Area (in gray), and the Greater Baltimore Area (in orange). Colors are provided for visual identification of each market area and do not correlate to index activity level. Make a selection on the map to go to the report for a market area or view an overview of each market area here..