New Private Housing Structures Authorized by Building Permits for Hillsborough County, NH was 847.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Hillsborough County, NH reached a record high of 2426.00000 in January of 2002 and a record low of 513.00000 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 Hillsborough County, NH - last updated from the United States Federal Reserve on May of 2024.