Valley County is named for Long Valley which is located in the county.
Surrounding County Courthouses:
N – Idaho County
E – Lemhi County and Custer County
S – Boise County
W – Gem County and Adams County
Created: February 26, 1917 
County Seat:
Cascade 1917 – present
County Courthouse – Cascade
Location: 219 North Main Street / West Spring Street
Built: 1920
Style: Modern / Art Deco
Architect: V H Sheldrew
Contractor: V H Sheldrew
Description: The building faces east and is a two story red-orange colored brick and concrete structure. The building is located on landscaped grounds in the center of Cascade. The north entrance on the east side has a concrete porch. The central entrance also has a wide concrete porch with recessed glass panel entrance. The roof line is flat. In the interior, there is a two story entrance lobby with stairs ascending to the second story with the courtroom. The building houses the County District Court and County Magistrate Court of the 4th Judicial District. In 1946 to 1948, part of the building was removed and an addition was added on the south side. On the south end is the new two story addition with recessed glass windows. The addition was constructed in 2004 to 2005. The architect was Lombard-Conrad Architects of Boise and the contractor was RSCI of Meridian.
Note: The contract with V H Sheldrew was signed July 19, 1920 for $7348.00 and the courthouse was completed by September 1920. Part of the building was moved around 1946 to 1948 with the north part remaining, and the middle addition was completed with the final addition being added in 2004 to 2005.
Note: The County Magistrate Court also sits at the County Courthouse Annex in McCall at 550 Deinhard Lane..
See: The 4th Judicial District includes Ada County, Boise County and Elmore County.
History: The county was created in 1917 and Cascade was selected as the county seat. The county used rented premises. The first and present courthouse was constructed in 1919 to 1920.
County Courthouse – Cascade
Commissioner Minutes of November 19, 1920
Picture 1920 County Courthouse
Photos taken 2012