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    3500 Illinois St.
    Suite 2350
    Laramie Building
    Golden, CO 80401

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    Ronda Frazier, CA

  • Chronological History of Jeffco – the 1990s



    C-470 highway completed through Jefferson County. 


    Administration and Courts facility completed in Jefferson County Government Center at 100 Jefferson County Parkway. 


    Old 1953 Courthouse, Hall of Justice, and Assessor/Treasurer buildings sold to Colorado School of Mines. 


    District Attorney building completed in Jefferson County Government Center at 500 Jefferson County Parkway.

    May 18, 1996

    Buffalo Creek wildfire begins, destroying 12 structures and burning 12,000 acres.

    May 19, 1997

    Rocky Flats Plant listed on National Register of Historic Places.

    September 1997

    Seventeen-member Russian delegation from Jefferson County's sister county, Tver Oblast, visits Jefferson County and other areas in the state.

    July 15, 1998

    Olde Town Arvada added to the National Register of Historic Places.

    April 20, 1999

    Columbine High School massacre takes place when two students open fire in the school, killing 13 and injuring 24. 

    November 24-26, 1999

    Old 1953 Courthouse demolished by Colorado School of Mines.