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  • Contact Information

    Board of County Commissioners


    7:30 a.m.- 5:30 p.m.

    Contact Us

    100 Jefferson County Pkwy.
    Admin and Courts Facility
    Golden, CO 80419

    The commissioners welcome your comments, questions and suggestions. You can email all three with the address above, or the individual commissioners with the address below.

    To Be Appointed, Commissioner District One


    Casey Tighe, Commissioner District Two


    Donald Rosier, Commissioner District Three


  • About the Jefferson County Board of Commissioners


    As mandated by the state constitution, Jefferson County is governed by a three-member Board of County Commissioners. Despite having to live in a specific geographic region, the commissioners are elected at-large to four-year, staggered terms and represent the entire county.

    The board provides leadership and vision in guiding Jefferson County government and is responsible for overseeing the organization and budgets for a wide variety of county programs designed to benefit citizens. 

    Jefferson County Commissioner, District One

    To be announced. Read more

    Casey Tighe, Jefferson County Commissioner, District Two

    Casey Tighe was elected Jefferson County Commissioner (District Two) in November 2012 and was sworn in on January 8, 2013. He currently serves as chair pro tem for the Jefferson County Board of Commissioners and the Jefferson County Law Enforcement Authority Board. Read more

    Donald Rosier, Jefferson County Commissioner, District Three

    Donald Rosier was elected Jefferson County Commissioner (District Three) in November 2010 and was sworn in on January 11, 2011. He served as chairman of the board in 2012 and 2013 and also as chair of the LEA during those years. Read more

    Last Updated: 1-13-2015