Nuveen Insured California Premium Income Municipal Fund, Inc. operates as a closed-end management investment company. It primarily invests in a portfolio of municipal obligations issued by state and local government authorities within the state of California or certain U.S. territories. The company's investment portfolio comprises water and sewer, education and civic organizations, and other sectors. Nuveen Asset Management serves as the investment advisor of the company. Nuveen Insured California Premium Income Municipal Fund was founded in 1992 and is based in Chicago, Illinois.