Courthouses in Alturas, California, the US. Courthouses locations in Alturas, California. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School All courthouses in Alturas Modoc County Superior Court Courthouse +1 530-233-6516 205 South East Street, Alturas, California 96101 Write a review Phone Website Directions