Clearlake Park is a former unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 now incorporated in Clearlake

Clearlake, California

Clearlake is a city located in Lake County, California. Clearlake is located north-northwest of Lower Lake, at an elevation of 1417 feet...

, in Lake County

Lake County, California

Lake County is a county located in the north central portion of the U.S. state of California, north of the San Francisco Bay Area. It takes its name from Clear Lake, the dominant geographic feature in the county and the largest natural lake wholly within California...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is located on the north shore of the southeast end of Clear Lake, just north of the village of Clearlake Highlands

Clearlake Highlands, California

Clearlake Highlands is a former unincorporated community now incorporated in Clearlake, in Lake County, California. It is located on the north shore of the southeast end of Clear Lake, just south of the village of Clearlake Park, 15 miles east-southeast of Lakeport, at an elevation of 1348 feet ....

 and about 15 miles (24 km) east-southeast of Lakeport

Lakeport, California

Lakeport is an incorporated city and county seat of Lake County, California. Lakeport is located on the west shore of Clear Lake, at an elevation of 1355 feet...

, at an elevation of 1362 feet (415 m).

The Clearlake post office opened in 1923, changed its name to Clearlake Park in 1937, and changed it back in 1980 when Clearlake incorporated.