Project Information

Bid Title

SEA Custodial Services for Zone 1 & 5 and Zone 2

Issuing Agency

Port of Seattle

Location

Washington

Published Date

Aug 31, 2026

Closing Date

Oct 22, 2026

Government Level

State & Local

Status

Closed

Ref. #

26-99

Original Source

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Bid Documents

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Project Description

Basic Information
Solicitation Number	26-99
Title	SEA Custodial Services for Zone 1 & 5 and Zone 2
Status	Open
Category	Goods and Services
Bid Due Date	10/22/2026 02:00 PM
Question Cut-off Date	10/02/2026 10:00 AM
Advertise Date	08/31/2026
Department	Aviation Maintenance
Estimate Quarter	3
Estimate Year	2026
Port Contact	Geng, Grace
Email	Geng.G@portseattle.org
Phone	206-787-5190

The Port of Seattle (Port) is soliciting proposals for Seattle-Tacoma Internation Airport (Sea) Custodial Services for Zone 1 & 5 and Zone 2. Award will be made to the Proposer(s) offering the best value to the Port in accordance with the terms and conditions of the solicitation. Zone 1 and Zone 5 are combined into a single service area, while Zone 2 remains a separate, stand‑alone service area.

The Port of Seattle (Port) is soliciting proposals for Custodial Services for Zone 1 & 5 and Zone 2 at Seattle-Tacoma International Airport. The purpose and intent of this solicitation is to award two contracts to Vendors who propose the best value to the Port, price and non-price factors considered. Zone 1 and Zone 5 are combined into a single service area, while Zone 2 remains a separate, stand‑alone service area. Proposers may submit proposals for the combined Zones 1 and 5, or for Zone 2, or for both. Each service area will include its own Women Minority Business Enterprise aspirational goal of 20%.

The Port intends to award two (2) separate contracts to either single or multiple Proposers, in accordance with Item 7. Evaluation of Proposals in this section and in the best interest of the Port: one for the combined service area of Zone 1 and Zone 5, and another for Zone 2. Each contract will have a base term of two (2) years, with the option of three (3) additional one-year periods, for a total potential contract term of up to five (5) years. The full scope of the services can be found in Section III of this RFP.

In the case of termination or expiration of any contracts issued under this RFP, the Port reserves the right to award a contract to another successfully performing Vendor for another zone. Successfully performing Vendors of other zones may be asked to submit price proposals and may be evaluated based on such price proposals and quality scores under the incentive and award structure. Any such contract will have a term that does not exceed a date five (5) years past the effective date of the first contract executed under this RFP.

Events
Title	Start	End	Mandatory	Location
Mandatory Pre-Proposal Meeting	09/08/2026 10:00 AM	09/08/2026 11:30 AM	Yes	Microsoft Teams (Virtually)
Mandatory Site Tour (Zone 2)	09/28/2026 09:00 AM	09/28/2026 01:00 PM	Yes	SEA Airport
Mandatory Site Tour (Zone 1&5)	09/29/2026 09:00 AM	09/29/2026 03:00 PM	Yes	SEA Airport

Commodity Codes

• NAICS 561720Janitorial Services

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