The building permit database (
http://socds.huduser.org/permits/summary.odb) contains data on permits for residential construction issued by about 21,000 jurisdictions collected in the Census Bureau's Building Permits Survey. Monthly data are available from January 1997 through March 2010 for about 9,000 jurisdictions that respond to the monthly survey. The remaining jurisdictions report annual data only. The following map provides totals of available monthly data for building permits for the year 2010.