The Architect of the Capitol (AOC) is seeking industry input for a potential Single-Award Task Order Contract (IDIQ) focused on construction, repair, and renovation services, primarily involving Mechanical/HVAC work within the Capitol Complex in Washington, DC. The contract has an estimated capacity of $250,000,000, with a one-year base period and nine one-year option periods. The solicitation is scheduled for release around November/December 2026. Responses to this sources sought notice are due by August 7, 2026, at 5:00 PM Eastern. This is a market research effort only, not a solicitation or request for proposals.