Capital Project Construction IDIQ

The U.S. Department of State's Global Acquisition office is seeking qualified U.S. sources through this Sources Sought notice for Design Build Capital Construction Projects under an Indefinite Delivery/Indefinite Quantity (IDIQ) contract structure. The Bureau of Overseas Buildings Operations (OBO) requires comprehensive construction management services for global embassy and consulate projects, focusing specifically on design and construction services for secure diplomatic facilities. Contractors must provide preconstruction services including constructability input, cost modeling, and Guaranteed Maximum Price development, followed by full construction execution services covering architecture, engineering, security design, and sustainable design features. Strict eligibility requirements mandate U.S. person status, DCSA Secret Facility Clearance, and impose restrictions on personnel from certain countries due to the sensitive nature of diplomatic facilities. The response deadline is December 5, 2025, with performance expected to occur outside the Continental United States at U.S. Embassy and Consulate locations worldwide.

This procurement does not utilize any set-aside designations and no current contractors or incumbents are identified in the notice. The Department of State anticipates awarding 5-7 multiple IDIQ contracts in Fiscal Year 2026, with a substantial program ceiling ranging from $4.5 billion to $7.5 billion across all awards. Individual task orders under these contracts are expected to range from $100 million to $1.5 billion, reflecting the scale and complexity of diplomatic facility construction projects. The contracts will feature a 10-year task order period, providing long-term opportunities for selected contractors to support the State Department's global infrastructure requirements. The significant financial scope and extended timeline demonstrate the critical importance of maintaining and expanding secure U.S. diplomatic facilities worldwide.