New Private Housing Structures Authorized by Building Permits for Louisa County, IA was 17.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Louisa County, IA reached a record high of 38.00000 in January of 1996 and a record low of 5.00000 in January of 2016. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Structures Authorized by Building Permits for Louisa County, IA - last updated from the United States Federal Reserve on May of 2024.