MRSC Rosters is an efficient and affordable way for Washington cities, counties, and special purpose districts to procure services using a roster contracting process. For a nominal annual membership fee, public agencies save staff time and financial resources by having MRSC provide full maintenance of their Small Public Works, Consultant, and Vendor rosters.


join mrsc rosters: 4 Step Process
Public Agencies have two opportunities to join each year. Once you have confirmed that your Agency is in compliance with the laws applicable to the type of roster(s) at issue (e.g., via enactment of an ordinance or resolution), follow the simple 4 step process. Joining MRSC Rosters means that you will exclusively use the rosters MRSC hosts on your behalf and discontinue use of any previously used rosters.

2.Determine your membership fee

Total Capital Expenditures (based on the five year average) Annual Membership Fee
Less than 5 million $120
5 to 10 million $240
10 to 15 million $360
15 to 25 million $480
25 to 50 million $600
More than 50 million $900

3.Choose registration deadline

  • > December 1st to begin in January
  • > May 1st to begin in June

4.Submit contract by deadline via either:

  • > Mail:
  • MRSC Rosters
    2601 Fourth Avenue, Suite 800
    Seattle, WA 98121-1280

  • > Scan/Email:
  • mrscrosters@mrsc.org

  • > Fax:
  • 206.625.1220

After your registration has been processed and the deadline has passed, you should fully transition to the MRSC Rosters. Learn more about transitioning >>.