Psomas CM Services Planned for ST-141 Construction

SeaTac staff estimate $3.61 million for construction administration services by Psomas on the Airport Station Area Pedestrian Improvements Project ST-141, to be authorized via a supplement under Agenda Bill 6935. The professional services will support oversight of the large roadway, utility, and pedestrian improvement contract.

Scope & details

The full contract record, as filed.

Contract amount

$3,608,478

Contract type

PROFESSIONAL_SERVICES

Renewal

Planned supplement (amendment) to Psomas’ existing professional services contract under Agenda Bill 6935 to add construction management scope. Detailed amendment dates and cumulative contract total are not specified here.

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 $3,608,478.

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

The PSOMAS contract with City of SeaTac is valued at $3,608,478, 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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