Chicago’s ADU Expansion, in Applications: 215 in April 2026 Alone — More Than the City’s Old File Logged in Any Year From 2022 to 2025

Chicago’s ADU preapproval applications, before and after the 2026 expansion: the city’s new file logged 495 from March 31 to September 14, 215 in April alone - more than the retired file recorded in any year from 2022 to 2025 - from 42 wards, 17 of them new to the record, with 90.1 percent pre-certified at a median of 9.3 days. No names or addresses read.









