Psomas Handles Design Services for ST-141 Project

SeaTac has engaged Psomas for professional engineering services on the Airport Station Area Pedestrian Improvements Project ST-141, with total design-related expenditures estimated at $2.10 million. The scope includes design and right-of-way support for the major multimodal and streetscape improvements near the airport station.

Scope & details

The full contract record, as filed.

Contract amount

$2,098,543

Contract type

PROFESSIONAL_SERVICES

Renewal

Existing professional services agreement; Agenda Bill 6935 seeks a contract amendment to add further design and construction management services. Specific amendment value, term, and prior amendments are not detailed in this document.

Document type

AgendaPacket

Source document

City of SeaTac Transportation and Public Works Committee Agenda Packet 2026-07-23

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Frequently asked questions

Common questions about this contract, answered from the record.

Who was awarded the professional services contract by City of SeaTac?

PSOMAS was awarded this professional services contract by City of SeaTac, as recorded on July 23, 2026. The contract value is $2,098,543.

How much is the PSOMAS contract with City of SeaTac worth?

The PSOMAS contract with City of SeaTac is valued at $2,098,543, covering professional services work.

What type of contract is this?

This is a Professional Services contract, documented as a agendapacket record.

Where was this contract approved?

This contract appears in City of SeaTac Transportation and Public Works Committee Agenda Packet 2026-07-23 (AgendaPacket), dated July 23, 2026 from City of SeaTac. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

What other contracts does PSOMAS hold?

PSOMAS may hold additional government contracts. View their full contract history, the agencies they serve, and total tracked spend on their Civic IQ vendor profile.

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