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Architecture, engineering, and  professional services

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Tips for Success

View the Upcoming Capital Projects to learn more about anticipated contracting opportunities. 

If you are invited by NAICS code to participate in a publicly advertised solicitation, you will automatically receive notice when addenda are issued.

If you were not invited to participate in the solicitation, you can view details of all advertised solicitations on the Solicitations Abstract webpage.

You must register in the E-Procurement Supplier Portal in order to access solicitations. Once registered you must login to "View Active Solicitations" from the homepage to search the solicitation you’re interested in. You must "Acknowledge Participation" in order to create a response and see addenda.

King County uses rosters for projects less than $500,000.

Roster projects are unadvertised; only roster members are invited to submit proposals for roster projects. Because of their limited scope, roster projects are ideal for small firms.

Visit the Rosters page for more information.

You can attend a pre-proposal meeting for advertised contracts to network with prime consultants.

 You can also visit our Solicitation Resources page to view lists of document holders and pre-proposal meeting attendees to find other businesses interested in a solicitation. 

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