Humboldt County is named for Alexander von Humboldt, who was a German naturalist and explorer.
Surrounding County Courthouses:
N – Del Norte County
E – Siskiyou County and Trinity County
S – Mendocino County
W – Pacific Ocean
Created: May 12, 1853 
County Seat:
Eureka 1853 – present
County Courthouse – Eureka
Location: 825 Fifth Street / I Street
Built: 1955 – 1956
Style: Modern
Architect: Mitchell Van Bourg and Gerald Matson
Contractor: Dinwiddie Construction Company
Description: The building faces south and is a five story concrete and glass structure. The building is located on landscaped grounds in the center of Eureka. On the east side is the five story section with vertical concrete pilasters with horizontal windows between. On the west side is the three story section with recessed first story and white colored concrete on the second and third stories. At the junction of the two section is the glass entrance with large mural above. The building houses the County Superior Court. On the east side is the County Jail.
See: The architect, Mitchell Van Bourg also designed the courthouse in Stanislaus County.
See: The county is located in the 1st Appellate District of the Court of Appeal – San Francisco.
History: The county was created in 1853 and Eureka was selected as the county seat. The county used rented premises. The first courthouse was a three story structure designed by Curtis & Bennett and built from 1885 to 1889. The building was torn down when the second and present courthouse was constructed in 1955 to 1956.
County Courthouse – Eureka
Cornerstone 1885 County Courthouse
Photos taken 2015
Images 9