BlackRock MuniHoldings California Quality Fund, Inc. is a closed ended fixed income mutual fund launched by BlackRock, Inc. It is managed by BlackRock Advisors, LLC. The fund invests in fixed income markets. It invests primarily in a portfolio of long-term investment-grade municipal obligations, the interest on which is exempt from Federal and California income taxes. BlackRock MuniHoldings California Quality Fund, Inc. was formed in 1997 and is domiciled in United States