Morgan Stanley California Quality Municipal Securities operates as a nondiversified, closed-end management investment company. The trust invests in California tax-exempt municipal bonds and California tax-exempt short-term municipal obligations. Its investment portfolio comprises investments in general obligation, educational facilities, electric utilities, hospitals, industrial development/pollution control, mortgage, public facilities, recreational facilities, transportation, and water and sewer sectors. Morgan Stanley Investment Advisors, Inc. serves as the investment manager of the trust. Morgan Stanley California Quality Municipal Securities was founded in 1993 and is based in the New York City.