BlackRock MuniVest Fund II, Inc. operates as mutual fund closed-end investment trust. The company investment objective is to provide shareholders with as high a level of current income exempt from federal income taxes as is consistent with its investment policies and prudent investment management. It invests under normal market conditions in municipal bonds rated investment grade and invests primarily in long-term municipal bonds with a maturity of more than ten years at the time of investment. The company was founded on March 29, 1993 headquartered in Wilmington, DE.