The General Services Administration is seeking expressions of interest from owners and authorized representatives for 7,666–7,700 ABOA square feet of office space in Cheyenne, Wyoming, with four reserved surface parking spaces and a 15-year term, including a 10-year firm term. The space must meet federal fire-safety, accessibility, seismic, and sustainability requirements, be fully serviced and outside the 1-percent-annual-chance floodplain, and comply with the stated building-type and proximity restrictions. Submissions must include property and representative details, available area by floor, the full-service rental rate, and operating costs; expressions of interest are due November 11, 2026, at 5:30 p.m. CST.