New Private Housing Structures Authorized by Building Permits for Middlesex County, MA was 4122.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Middlesex County, MA reached a record high of 6129.00000 in January of 2005 and a record low of 1642.00000 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 Middlesex County, MA - last updated from the United States Federal Reserve on May of 2024.