New Private Housing Authorized by Building Permits: 1-Unit Structures for Illinois was 828.68727 Units in January of 2024, according to the United States Federal Reserve. Historically, New Private Housing Authorized by Building Permits: 1-Unit Structures for Illinois reached a record high of 4605.65477 in November of 2005 and a record low of 524.76035 in March of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Authorized by Building Permits: 1-Unit Structures for Illinois - last updated from the United States Federal Reserve on April of 2024.