The Board of supervisors meets on the first floor of the Lake County Courthouse.

The Superior Court of California, County of Lake operates in a four-courtroom main courthouse augmented by a small lease for storage. All case types, including felonies, misdemeanors, juvenile law, civil, traffic, and small claims, are heard in Lakeport.

The Lakeport Courthouse was constructed in 1968. The court occupies only the 4th floor of this shared-use building.