New Private Housing Structures Authorized by Building Permits for Washtenaw County, MI was 629.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Washtenaw County, MI reached a record high of 2902.00000 in January of 1998 and a record low of 253.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Structures Authorized by Building Permits for Washtenaw County, MI - last updated from the United States Federal Reserve on May of 2024.