The General Services Administration (GSA) is seeking to lease approximately 4,941 to 5,189 ABOA square feet of office space in Alton, Illinois, within a defined delineated area. The lease requires a firm term of 10 years and a full term of 15 years, with occupancy estimated for October 2026. Offerors must have 1,000 to 2,500 square feet of space available for government use by December 2026. The space must be contiguous on one floor, located in a prime commercial district, and meet requirements for 24/7 government access, fire safety, accessibility, seismic, and sustainability standards. A fully serviced lease is required, and the space must not be in a 1-percent-annual chance floodplain.

The General Services Administration (GSA) is seeking to lease office space in Alton, Illinois, within a defined delineated area. The desired space ranges from 1,500 to 4,941 ABOA square feet, with a preference for the maximum size under a 15-year term (10 years firm); smaller spaces would have a 5-year term (3 years firm). The space must be on one floor, in a prime commercial district, with accessible entrances, 24/7 government access, and compliance with fire safety, seismic, and sustainability standards. A fully serviced lease is required, and the space cannot be in a 1-percent-annual chance floodplain. Estimated occupancy is October 2026, with expressions of interest due by April 28, 2026.

The U.S. General Services Administration seeks to lease office space in Alton, Illinois, within a specific delineated area. The government desires 4,941 ABOA square feet for a 15-year term with 10 years firm, but may consider spaces from 1,500 to 4,941 square feet, which would then have a 5-year term with 3 years firm. The space must be in a prime commercial district, be contiguous and on one floor, and meet stringent accessibility, safety, and servicing requirements. A market survey is estimated for May 2026, with estimated occupancy in October 2026. Expressions of interest are due April 22, 2026.