Boulder County is named for the abundance of granite boulders along Boulder Creek.
Created: November 1, 1861
County Seat:
Boulder 1861 – present
County Courthouse – Boulder
Location: 1325 Pearl Street / 13th Street
Built: 1933 – 1934
Style: Art Deco
Architect: Glen H Huntington
Contractor: Frank B Anderson
Description: The building faces south and is a four story yellow colored flagstone and concrete structure. The building is located on landscaped grounds in the center of the city. The central on the south side is recessed with a glass panel above. The building is tiered with a central tower rising to a clock. The windows are vertical with panels between.
County Hall of Justice - Boulder

Location: 14th Street / Spruce Street
Built: 1961 – 1961
Style: Modern
Architect: Hobart D Wagener
Contractor: Lobco Construction Company
Description: The building faces east and is a three story stone, concrete and glass structure. The rectangular building is on the east side of the courthouse. The windows are vertical with black panels between. The roof line is flat.
County Justice Center – Boulder

Location: 1777 6th Street / Boulder Canyon Drive
Built: 1973 – 1976
Style: Modern
Architect: Hobart D Wagener, Lesher & Mahoney Inc. and DLR Group
Contractor: Mead & Mount Construction Company
Description: The building faces east and is a two story glass and concrete structure. The building is located on landscaped grounds to the west of the center of the city. The east front has a plaza with a north wing and south wing. The west side has a recessed entrance with four high columns rising to the roof line. The south wing is gray colored concrete with vertical windows. The west section and north wing have glass paneled walls. The roof line is flat.
Note: The cost of construction was $5,888,000.
Courts Building – Longmont

Location: 1035 Kimbark Street / 10th Avenue
Built: 2000 – 2001
Style: Modern
Architect: County Architect Division
Contractor: Saunders Construction Inc. of Centennial
Description: The building faces south and is a two story red colored brick, concrete and glass structure. The building is located on landscaped grounds. The southeast entrance has glass doors and glass panels above. There is a large extended canopy. The roof line is flat. The building is located in Longmont to the northeast of Boulder.
Courthouses:
N – Larimer County
E – Weld County and Broomfield County
S – Jefferson County and Gilpin County
W – Grand County

County Courthouse









County Hall of Justice



County Justice Center








Courts Building – Longmont



Photos taken 2011 and 2016