City of Seattle · Solicitation 26-136-S

OC Environmental Monitoring and Consulting Services

Seattle, WA City Posted Sep 29, 2026 Last verified Oct 1, 9:20 PM
Site Utilities 19 days remaining

Plain-English summary

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What the agency needs

Request For Proposal from City of Seattle - Seattle, WA

City of Seattle - Seattle Public Utilities has issued request for proposal, solicitation 26-136-S.

The City of Seattle is seeking proposals for OC Environmental Monitoring and Consulting Services. Proposals are due no later than 1:00 PM on October 21, 2026. All questions are to be submitted through the e-procurement portal at https://procurement.opengov.com/portal/seattle no later than 5:00 PM on October 9, 2026.

Seattle Public Utilities (SPU) is soliciting bids from interested and qualified consulting firms to provide a range of environmental services for a variety of projects. The resulting environmental services contract will provide resources and expertise to perform tasks supporting the collection of information needed to make data-driven, informed decisions for environmental projects related to the City of Seattle’s natural urban ecosystems and built infrastructure. The services requested under this contract cover a broad range of environmental services across project planning, implementation, and reporting stages and include biological, physical, and chemical monitoring services during data acquisition and processing stages. As examples, projects may be related to environmental site characterization, urban ecosystem restoration and status and trends, stormwater source control or runoff treatment best management practices (BMPs), system performance assessment and maintenance, capital planning projects, or requirements under SPU’s NPDES Phase 1 Municipal Stormwater and Waste Discharge permits. The environmental services provided under this contract will support SPU’s commitment to restoring and maintaining a healthy environment.

Responses are due October 21, 2026 at 1:00 PM PDT.

Questions must be submitted by October 9, 2026 at 5:00 PM PDT.

A non-mandatory pre-proposal conference is scheduled for October 6, 2026 at 2:00 PM PDT at https://teams.microsoft.com/meet/289360353054779?p=0wzPCd5xhsOhZBwm56 Meeting ID: 289 360 353 054 779 Passcode: cA7ut2VJ Dial in by phone +1 206-686-8357,,348380270#.

Contact: Lisa Hill, Strategic Advisor (lisa.hill@seattle.gov, (206) 572-5524).

6 documents are attached to the notice: Attachment 1 Contract Template with Exhibits; Attachment 2 Insurance Requirements Transmittal Form; Attachment 3 Ethics Brochure; Attachment 4 Consultant Questionnaire; Attachment 5 Inclusion Plan; 26-136-S RFP Package.

The full solicitation document, addenda and the question-and-answer thread are on the agency's OpenGov portal at https://procurement.opengov.com/portal/seattle/projects/306134. Responses are submitted electronically there, and a free vendor account is required before you can upload one.

Who should bid

Site Utilities contractors - the work is Seattle, WA.

Deadline

21 October 2026, 1:00 PM PDT (19 days remaining - last confirmed 1 Oct)

How to submit

On the agency's own system, not on BusyBids. Open the official notice

Check before bidding

  • The notice describes a mandatory site visit or pre-bid meeting - a bid from anyone who did not attend is usually rejected unopened.
  • The notice lists a pre-bid meeting on 6 October - check whether attendance is mandatory.
  • Questions close on 10 October, before the bid deadline.

Taken from the notice as published. BusyBids does not assess whether you meet a requirement - confirm anything that matters with the issuing agency.

Important dates

Add all to calendar
EventDate and time
Pre-bid meetingcheck the notice for whether attendance is mandatory 6 October 2026, 2:00 PM PDT check
Questions due 9 October 2026, 5:00 PM PDT check
Bid deadline19 days remaining - last confirmed 1 Oct 21 October 2026, 1:00 PM PDT check 19 days

Times are shown in the agency's own zone. Confirm every deadline against the official notice.

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Where this came from

Collected from OpenGov Procurement - Washington, first seen 29 September 2026, last confirmed 1 October 2026.

Dates and requirements are reproduced from the source. Confirm every deadline against the official notice before you bid.

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