New Private Housing Structures Authorized by Building Permits for Warren County, IA was 512.00000 Units in January of 2022, according to the United States Federal Reserve. Historically, New Private Housing Structures Authorized by Building Permits for Warren County, IA reached a record high of 544.00000 in January of 2021 and a record low of 113.00000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Structures Authorized by Building Permits for Warren County, IA - last updated from the United States Federal Reserve on May of 2024.