<SEC-DOCUMENT>0001193125-20-186528-index.html : 20200702
<SEC-HEADER>0001193125-20-186528.hdr.sgml : 20200702
<ACCEPTANCE-DATETIME>20200702140815
ACCESSION NUMBER:		0001193125-20-186528
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		22
CONFORMED PERIOD OF REPORT:	20200430
FILED AS OF DATE:		20200702
DATE AS OF CHANGE:		20200702
EFFECTIVENESS DATE:		20200702

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK MUNIASSETS FUND, INC.
		CENTRAL INDEX KEY:			0000901243
		IRS NUMBER:				223239638
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07642
		FILM NUMBER:		201008172

	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:	MUNIASSETS FUND INC
		DATE OF NAME CHANGE:	19930714

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MUNIINCOME FUND INC
		DATE OF NAME CHANGE:	19930517
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d833631dncsr.htm
<DESCRIPTION>BLACKROCK MUNIASSETS FUND, INC
<TEXT>
Document 1 - file: d833631dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d833631dex99cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d833631dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>d833631dex99906cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
<TEXT>
Document 3 - file: d833631dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>4
<FILENAME>d833631dex99proxypol.htm
<DESCRIPTION>PROXY VOTING POLICY
<TEXT>
Document 4 - file: d833631dex99proxypol.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.GLOBAL.CORP.GO
<SEQUENCE>5
<FILENAME>d833631dex99globalcorpgo.htm
<DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
<TEXT>
Document 5 - file: d833631dex99globalcorpgo.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.US.CORP.GOV
<SEQUENCE>6
<FILENAME>d833631dex99uscorpgov.htm
<DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
<TEXT>
Document 6 - file: d833631dex99uscorpgov.htm

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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g833631g09g62.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g833631g09g62.jpg

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<DESCRIPTION>GRAPHIC
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Document 8 - file: g833631g09h65.jpg

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<FILENAME>g833631g41l68.jpg
<DESCRIPTION>GRAPHIC
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Document 9 - file: g833631g41l68.jpg

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<DESCRIPTION>GRAPHIC
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Document 10 - file: g833631g42l24.jpg

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<DESCRIPTION>GRAPHIC
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Document 11 - file: g833631g44u23.jpg

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<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g833631g51n99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g833631g51n99.jpg

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<SEQUENCE>13
<FILENAME>g833631g60p62.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g833631g60p62.jpg

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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g833631g62e83.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g833631g62e83.jpg

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<DESCRIPTION>GRAPHIC
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Document 15 - file: g833631g83y23.jpg

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<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g833631leaf.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g833631leaf.jpg

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<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g870778dsp15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g870778dsp15.jpg

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<SEQUENCE>18
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g870778dsp15a.jpg

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<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g870778dsp16.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g870778dsp16.jpg

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<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g870778dsp18.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g870778dsp18.jpg

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<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g896437photo_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g896437photo_01mips.jpg

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<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g896437sig_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g896437sig_01mips.jpg

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