Clearlake Oaks is a census-designated place (CDP) in Lake County, California, United States.

[2] It is located on the northeast of Clear Lake, 8 miles (13.8 km) northwest of the town of Clearlake, at an elevation of 1,335 feet (407 m).

The site of the original town, inland of State Route 20, was subdivided by the 1920s.

Today the plaza is paved and used for parking by the church located along the west side.

The Stubbs post office opened in 1926, and changed its name to Clearlake Oaks in 1935.

[3] The relocation of the post office, the aging population, and the coming of Wal-Mart have combined to kill the "downtown".

A privately operated marina had fish and ski boats for rent.

There were 1,823 housing units at an average density of 861.8 per square mile (332.7/km2), of which 823 (69.9%) were owner-occupied, and 355 (30.1%) were occupied by renters.

In the California State Legislature, Clearlake Oaks is in the 2nd Senate District, represented by Democrat Mike McGuire, and in the 4th Assembly District, represented by Democrat Cecilia Aguiar-Curry.

[22] Federally, Clearlake Oaks is in California's 3rd congressional district, represented by Republican Kevin Kiley.