GSA Public Buildings Service seeks expressions of interest for a fully serviced office lease in San Antonio, TX, within a delineated area bounded by Cincinnati Ave to the north, S. Zarzamora to the west, IH 10 to the south, and N. Walters St to the east. The required space is 5,596 ABOA sq ft of contiguous office space on one floor, with a 15-year full term and 10-year firm term, plus specific layout, column, entrance, elevator, window, and accessibility requirements. The site must provide at least 50 onsite/street/commercial parking spaces within 800 walkable feet, amenities within one walkable mile, public transportation within 1/4 mile, and must exclude warehouse/residential/manufacturing or industrial-adjacent buildings and locations within 800 feet of active freight railroad tracks. Offered space must meet government fire safety, accessibility, seismic, sustainability, and floodplain requirements, and offerors should review Section 889 NDAA telecommunications prohibitions. Estimated market survey is October 2026 and estimated occupancy is January 1, 2028.