Nuveen Insured California Dividend Advantage Municipal Fund operates as a closed-end management investment company. It primarily invests in a diversified 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 utilities, water and sewer, education and civic organizations, and transportation sectors. Nuveen Asset Management serves as the investment advisor of the company. Nuveen Insured California Dividend Advantage Municipal Fund was founded in 1999 and is based in Chicago, Illinois.