UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-05611 Name of Fund: BlackRock MuniVest Fund, Inc. (MVF) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Anne Ackerley, Chief Executive Officer, BlackRock MuniVest Fund, Inc., 55 East 52(nd) Street, New York City, NY 10055. Registrant's telephone number, including area code: (800) 882-0052, Option 4 Date of fiscal year end: 08/31 Date of reporting period: 07/01/2009 -- 06/30/2010 Item 1 -- Proxy Voting Record -- Attached hereto. Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. BlackRock MuniVest Fund, Inc. By: /s/ Anne Ackerley Anne Ackerley Chief Executive Officer of BlackRock MuniVest Fund, Inc. Date: August 23, 2010 ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-05611 Reporting Period: 07/01/2009 - 06/30/2010 BlackRock MuniVest Fund, Inc. ======================== BLACKROCK MUNIVEST FUND, INC. ========================= BLACKROCK PREFERRED & EQUITY ADVANTAGE TRUST Ticker: BTZ Security ID: 092508100 Meeting Date: AUG 26, 2009 Meeting Type: Annual Record Date: JUN 29, 2009 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Trustee Richard S. Davis For For Management 1.2 Elect Trustee James T. Flynn For For Management 1.3 Elect Trustee Karen P. Robards For For Management ========== END NPX REPORT