Plumas County is named for the Plumas River which was named for the Spanish word meaning “feathers”.
Surrounding County Courthouses:
N – Shasta County and Lassen County
E – Lassen County
S – Sierria County and Yuba County
W – Butte County and Tehama County
Created: March 18, 1854 
County Seat:
Quincy 1854 – present
County Courthouse – Quincy
Location: 520 West Main Street / Crescent Street
Built: 1919 – 1921
Style: Neo-Classical
Architect: George Sellon & Company of Sacramento
Contractor: Edward W Brook
Description: The building faces north and is a four story white colored stucco and concrete structure. The building is located on landscaped grounds in the center of Quincy. The north front has a central entrance on the first story with small pediment above. There are vertical narrow windows along the first story. The second and third stories have a large porch with eight columns and recessed windows. There are low one story wings off the northwest and northeast corners. The fourth story has small windows. The roof is hipped. The interior is paved in Tuolumne marble and accented with pink Tennessee marble. The buiding houses the County Superior Court.
See: George C Sellon of Sacramento designed courthouses in Amador County, Lassen County, Nevada County, Sierra County and Tehama County.
See: The county is located in the 3rd Appellate District Court of Appeal – Sacramento.
History: The county was created in 1854 and Quincy was selected as the county seat. The first courthouse was a shed like structure connected with the American Ranch Hotel, which served as the courthouse from 1854 to 1859. The second courthouse was a two story brick and wood Greek Revival structure built in 1859. The third and present courthouse was constructed in 1919 to 1921.
County Courthouse – Quincy
Photos taken 2013