Jefferson County

US States / A-G / Colorado / Jefferson County

Jefferson County is named for Thomas Jefferson, who was President of the United States from 1801 to 1809.


Created:  November 1, 1861

County Seat:

Golden  1861 – present


County Courthouse – Golden


Location:  100 Jefferson County Road / 6th Avenue Freeway

Built:  1991 – 1993

Style:  Modern

Architect:  C W Fentress, J H Bradburn and Associates, PC

Contractor:   PCL Construction Services, Inc.


Description: The building faces east and is a five story brick, concrete and glass structure. The building is located on spacious grounds. The building is an “X” shape with four wings radiating from the center. The central tower has glass windows on east and west sides and has an atrium rising to a glass skylight. The semi-circular building on the north houses the courts and the semi-circular building on the south houses the administration.


Note:  The first courthouse was designed by W H J Nicholls and constructed by Robert Millikin in 1877. The previous courthouse was designed by Henry Koch and constructed in 1953 at 17th Street and Arapahoe Street. The building was demolished along with the Hall of Justice.



N – Boulder County and Broomfield County

E – Adams County, Denver CountyArapahoe County and Douglas County

S – Park County

W – Park County, Clear Creek County and Gilpin County





























Photos taken 2011