<SEC-DOCUMENT>0001193125-17-219285-index.html : 20170630
<SEC-HEADER>0001193125-17-219285.hdr.sgml : 20170630
<ACCEPTANCE-DATETIME>20170630103842
ACCESSION NUMBER:		0001193125-17-219285
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		17
FILED AS OF DATE:		20170630
DATE AS OF CHANGE:		20170630
EFFECTIVENESS DATE:		20170630

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:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-57354
		FILM NUMBER:		17940732

	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
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000225635
<SERIES-ID>S000002335
<SERIES-NAME>BlackRock Short-Term Municipal Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000006122
<CLASS-CONTRACT-NAME>Investor A1
</CLASS-CONTRACT>
</SERIES>
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</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>d409691d497.htm
<DESCRIPTION>BLACKROCK SHORT-TERM MUNICIPAL FUND BLACKROCK SHORT-TERM MUNICIPAL FUND
<TEXT>
Document 1 - file: d409691d497.htm
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>6 <FILENAME>bmbfi5-20170609_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE <TEXT> Document 6 - file: bmbfi5-20170609_lab.xml
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</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>13 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 13 - file: Financial_Report.xlsx
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Document 17 - RAW XML: FilingSummary.xml
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