Douglas County is named for Stephen A Douglas, who was a United States Senator from Illinois.
Surrounding County Courthouses:
N – Okanogan Counry
E – Okanogan County and Grant County
S – Grant County and Kittitas County
W – Chelan County
Created: November 28, 1883 
County Seat:
Waterville 1883 – present
County Courthouse – Waterville
Location: 203 South Rainier Street / East Birch Street
Built: 1904 – 1905
Style: Classical Revival
Architect: Newton C Gauntt
Contractor: William Oliver
Description: The building faces west and is a three story stone and red colored brick and concrete structure. The building is located on landscaped grounds in the center of Waterville. The west front has a large stone arch at the central entrance and a stone facing on the first story. Above the entrance are three windows on the second story and an arched window on the third story. Above rises a square red colored brick tower with open top and conical roof. An addition on the east side was designed by L Solberg in 1950. On the south side is a new entrance which connects to the Courthouse Annex.
County Courthouse Annex – Waterville
Location: 203 South Rainier Street / East Birch Street
Built: 2001 – 2002
Style: Modern
Architect: KDF Architecture
Contractor: G G Richardson, Inc.
Description: The building faces west and is a one story rough stone and concrete structure. The building is located on landscaped grounds in the center of Waterville. There are long vertical; windows and metal canopies over the windows. The building is connected on the north side to the courthouse in the center of Waterville with a glass entrance. The roof line is flat.
History: The county was created in 1883 and Okanogan City was selected as the county seat. In 1884, the county held the first meeting in Okanagan’s only structure Mann’s tent. Later in 1885, B L Martin completed a 24 foot by 36 foot store building which became the first courthouse and the only building in Okanogan City. The county seat was moved to Waterville in 188. The second courthouse was built in 1886. In 1889 the third courthouse was a two story frame structure. The courthouse was destroyed by fire, The fourth and present courthouse was constructed in 1904 to 1905.
County Courthouse – Waterville
County Courthouse Annex – Waterville
Photos taken 2012