Mia was first appointed in 2013 to represent the 33rd Legislative District of Washington state. This district includes SeaTac, Normandy Park, Des Moines and parts of Kent, Burien, Renton and unincorporated King County. As a state legislator, Mia has diligently worked towards protecting voter rights and increasing voter participation, reducing hunger and helping local food entrepreneurs.

Prior to her service as a state representative she served two terms as a SeaTac city council member and held positions as the mayor and deputy mayor.

Mia has degrees from Highline Community College and the University of Washington. In addition to her political career, Mia worked as a surgical assistant and business manager in the dental field for nearly twenty years.

Mia is one of four generations of her family in the South King County area. Her daughter Alexis resides in Portland Oregon.


  • 2018 End of Session Newsletter | News - May 8, 2018
    Many of you received a paper newsletter in the mail. If you did not get one, here is an electronic version of Rep. Gregerson’s 2018 Legislative Review.
  • Interview with Rep. Gregerson on the future of farming and agriculture | News - March 13, 2018
    Representative Mia Gregerson recently sat down with Food Tank to talk about the future of farming and how young people can get involved. In her interview, Rep. Gregerson stressed the importance of preserving farmland and how we can all play... READ MORE
  • MEDIA ADVISORY – 33rd Legislative District Telephone Town Hall next week | News - March 8, 2018
    Who: Sen. Karen Keiser, Rep. Tina Orwall & Rep. Mia Gregerson –The 33rd Legislative District delegation representing part of King County including SeaTac, Des Moines, Normandy Park, and part of Kent, Burien and Renton. What: 33rd Legislative District telephone town... READ MORE
  • E-newsletter: Making democracy more representative, transparency for public records and more news from Olympia | E-newsletters - February 28, 2018
    Before jumping into my newsletter this week, I would like to highlight the fact that TVW now has a mobile app for Android and iPhone phones! TVW provides unedited coverage of Washington state government. With TVW, you can watch committee... READ MORE
  • Washington State Voting Rights Act passes the House | E-newsletters - February 27, 2018
    OLYMPIA – Today, the Washington House of Representatives passed the Washington Voting Rights Act on a 52-46 vote. This is the sixth time that the House has passed the Voting Rights Act, but the first time that the House is... READ MORE
  • Contact

    District office:
    22525 Marine View Dr. S.
    Suite 205
    Des Moines, WA 98198
    (206) 824-5098

    Olympia Address:
    JLOB 328
    PO Box 40600
    Olympia, WA

    (360) 786-7868
    Email Mia

    Legislative Assistant:
    Daniel Lugo

    Toll-free Hotline:
    1-800-635-9993 (TTY)

    For Press Inquiries:
    Yoshi Kumara, Communications Specialist
    (360) 786-7221

    For broadcast-quality audio or TV/radio interviews:
    Dan Frizzell, Broadcast Coordinator
    (360) 786-7208

    Washington State House Democrats

    The information on these pages was created by House staff for legislative purposes and is a historical record of legislative events and activities. None of this material is intended to either directly or indirectly assist any campaign for office or ballot proposition. RCW 42.52.180 prohibits the use of public resources for campaign purposes.