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Roster projects are unadvertised. Roster members are invited, on a rotational basis, to bid on a project.

Apply for roster membership

Application Instructions

You can apply for two rosters online: Architectural & Engineering, and Small Works.

  1. Log in to the Solicitations portal with your username and password.
  2. Go to "My Account" web page, click the"Roster Membership" tab.
  3. Under the "Access to Roster Account" column, select the appropriate Roster
    (either Architectural & Engineering, or Small Works for Contractors).

Energy Service Contractor (ESCO) Roster

The ESCO Roster is a pre-qualified list of firms providing Energy Services. Services include identifying, implementing or financing energy, utility efficiency, and resource conservation projects. These projects will not be advertised; ESCO roster members will be invited to submit proposals.


Apply to the ESCO Roster

ESCO Roster Application

What are Roster programs?

Rosters are used to award contracts for Construction or Architectural & Engineering projects with estimated cost of less than $300,000 (before taxes).

Projects solicited under the Roster system are not advertised. Consultants from the Roster will be invited, on a rotational basis, to submit bids for a solicited project.

If you're invited to bid:

  1. Respond to the RFI
  2. We'll email you when the solicitation documents become available online
  3. Submit your bid
  4. Submit qualification information, if requested by a Contract Specialist (only for the Small Works Roster)

All information is submitted electronically. 

Am I eligible?

To apply to a Roster, you must provide:

  • Applicable license (e.g., Architecture, Engineering)
  • Category(s) of work selected
  • Completed project examples demonstrating your firm's experience in each category of work selected
  • To be eligible for Limited Public Work projects, you must also submit your last Federal Tax Return or a notarized affidavit signed by a Certified Public Accountant verifying gross revenues under $1,000,000 annually

For the ESCO Registry, you will need to also provide:

  • Working knowledge of International Performance Measurement and Verification Protocols.
  • Accident/injury experience factor from the Department of Labor and Industries of 1.0.
  • Commercial General Liability coverage of at least $1,000,000 combined single limit per occurrence and for those policies with aggregate limits, a $2,000,000 aggregate limit.
  • Professional Liability Errors and Omissions coverage of at least $1,000,000 per claim/aggregate.
  • Performance and Payment Bonding capacity of at least $500,000.
  • Annual gross revenues of $1,000,000 or more per year for the last 2 years.
Contact Us

Phone: (206) 263-9400

TTY Relay: 711

Fax: (206) 296-7676