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Seattle-Tacoma International Airport C Concourse Expansion

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Source: e-architect

Project
Completed

The C Concourse Expansion at Seattle-Tacoma International Airport significantly enlarges the existing concourse from 81,000 square feet to 229,500 square feet, adding four new floors. The project enhances passenger experience by improving circulation, comfort, and accessibility, and targets LEED Platinum certification. It includes sustainability features such as photovoltaic panels, all-electric s

Status
Closed
Sector
Airport, Solar
Location
SeaTac, Washington, United States of America
Updated
22 Jul 2026
Source
e-architect

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Project Information

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The project “Seattle-Tacoma International Airport C Concourse Expansion” is an infrastructure initiative in the Airport sector, located in SeaTac, Washington, United States. Taiyo aggregates data on it from e-architect.

Participants

Not available for this record.

Status

Original status

completed

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The C Concourse Expansion at Seattle-Tacoma International Airport significantly enlarges the existing concourse from 81,000 square feet to 229,500 square feet, adding four new floors. The project enhances passenger experience by improving circulation, comfort, and accessibility, and targets LEED Platinum certification. It includes sustainability features such as photovoltaic panels, all-electric systems, electrochromic glazing, and biophilic design.

Original sector

Transportation

Location

Country

United States of America (USA)

State

Washington

City

SeaTac

Source

Source

e-architect

URL

More Details

Record type

Project

Sector

Airport, Solar

Article published date

2026-07-10

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