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SEA Airport C Concourse Expansion

SeaTac, Washington

Stage not verifiedValue not verifiedLast reviewed: 2026-10-01

Sourced project intelligence. Blank fields are shown as “Not yet verified.” Estimates and schedules can change. Check official procurement notices for current deadlines and terms.

Project overview

Infrastructure Sector
Not yet verified
Project Type
Airport concourse modernization
Location
SeaTac, Washington
Project Owner / Agency / Developer
Port of Seattle
Project Description
The C Concourse expansion adds floors, dining, retail, passenger amenities and lounge space above the existing concourse building. The Port announced a June 11, 2026 opening.
Estimated Project Value
Not yet verified
Funding Source
Not yet verified

Schedule & delivery

Project Stage
Not yet verified
Expected Procurement Date
Not yet verified
Construction Start
Not yet verified
Estimated Completion
Not yet verified
Delivery Method
Not yet verified
Major Scope / Components
The C Concourse expansion adds floors, dining, retail, passenger amenities and lounge space above the existing concourse building. The Port announced a June 11, 2026 opening.

Project team

Key Organizations Involved
Not yet verified
Prime Contractor / Construction Manager
Not yet verified
Engineering / Design Firm
Not yet verified
Technology / Equipment Providers
Not yet verified
Decision Makers / Project Contacts
Not yet verified

Procurement & opportunities

Current RFPs / RFQs / Bid Opportunities
Not yet verified
Upcoming RFPs / Procurement Opportunities
Not yet verified
Contract Value / Package Size
Not yet verified
Workforce Requirements
Not yet verified
Supplier / Subcontractor Opportunities
Not yet verified
Website / Procurement Portal
Official project / procurement website ↗

Progress & intelligence

Permitting / Regulatory Status
Not yet verified
Major Milestones
Not yet verified
Recent Project Updates
Added October 1, 2026. Schedule targets reflect the linked source; map location is approximate.
Challenges / Risks
Not yet verified
Last Updated
2026-10-01

The C Concourse expansion adds floors, dining, retail, passenger amenities and lounge space above the existing concourse building. The Port announced a June 11, 2026 opening.

Owner: Port of Seattle. Stage: Completed. Location: SeaTac, Washington.

Official project source. Reviewed October 1, 2026.

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