The U.S. Government seeks 1,527–1,607 ABOA square feet of office and related space in Joliet, IL, within a delineated area bounded by Ruby Street, Marion Street, Collins Street, and the Des Plaines River. The lease would have a 10-year full term, a 5-year firm term, and a 5-year option, with no parking spaces required. The offered space must be contiguous, fully serviced, and meet Government fire safety, accessibility, seismic, sustainability, and floodplain requirements, including telecommunications prohibitions under Section 889 of the FY19 NDAA. An estimated market survey is scheduled for 12/03/2026, with estimated occupancy on 10/01/2027. The contact for this opportunity is Robert E. Jones, Jr., at Robert.jones@gsa.gov.