Greenville Courthouse is located in Plumas County at 115 State Highway 89, Greenville, CA 95947. The courthouse is open Monday through Friday from 8:00am to 4:00pm, except for holidays.

The Greenville Courthouse is a two-story building that was completed in 1910. It originally served as the county jail and courthouse. The building was listed on the National Register of Historic Places in 1982.

The courthouse is home to the Plumas County Superior Court, which hears civil and criminal cases. The court also has jurisdiction over family law, probate, and small claims matters.

The Greenville Courthouse is a beautiful example of Renaissance Revival architecture. It features a red tile roof, white stucco walls, and a clock tower. The courthouse is a popular tourist attraction in Plumas County.