<SEC-DOCUMENT>0001752724-18-000614-index.html : 20181003 <SEC-HEADER>0001752724-18-000614.hdr.sgml : 20181003 <ACCEPTANCE-DATETIME>20181003164422 ACCESSION NUMBER: 0001752724-18-000614 CONFORMED SUBMISSION TYPE: N-CEN/A PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20180630 FILED AS OF DATE: 20181003 EFFECTIVENESS DATE: 20181003 FILER: COMPANY DATA: COMPANY CONFORMED NAME: BLACKROCK MUNICIPAL BOND FUND, INC. CENTRAL INDEX KEY: 0000225635 IRS NUMBER: 132896246 STATE OF INCORPORATION: NJ FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: N-CEN/A SEC ACT: 1940 Act SEC FILE NUMBER: 811-02688 FILM NUMBER: 181105565 BUSINESS ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 BUSINESS PHONE: 800-441-7762 MAIL ADDRESS: STREET 1: 100 BELLEVUE PARKWAY CITY: WILMINGTON STATE: DE ZIP: 19809 FORMER COMPANY: FORMER CONFORMED NAME: MERRILL LYNCH MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19920703 FORMER COMPANY: FORMER CONFORMED NAME: ONE LIBERTY MUNICIPAL BOND FUND INC DATE OF NAME CHANGE: 19780622 </SEC-HEADER> <DOCUMENT> <TYPE>N-CEN/A <SEQUENCE>1 <FILENAME>primary_doc.xml <TEXT> Document 1 - file: primary_doc.html
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</DOCUMENT> <DOCUMENT> <TYPE>OTHER REQUIRED INFO <SEQUENCE>2 <FILENAME>C13_06302018.txt <TEXT> Document 2 - file: C13_06302018.txt
</DOCUMENT> <DOCUMENT> <TYPE>INTERNAL CONTROL RPT <SEQUENCE>3 <FILENAME>Muni_4_IntCtrl.txt <TEXT> Document 3 - file: Muni_4_IntCtrl.txt
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