<SEC-DOCUMENT>0001193125-21-218624-index.html : 20210928
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<ACCEPTANCE-DATETIME>20210719161853

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ACCESSION NUMBER:		0001193125-21-218624

CONFORMED SUBMISSION TYPE:	N-2

PUBLIC DOCUMENT COUNT:		14

FILED AS OF DATE:		20210719

DATE AS OF CHANGE:		20210826


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-2

		SEC ACT:		1940 Act

		SEC FILE NUMBER:	811-07642

		FILM NUMBER:		211098103



	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




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-2

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	333-258015

		FILM NUMBER:		211098102



	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



<IS-FILER-A-NEW-REGISTRANT>N

<IS-FILER-A-WELL-KNOWN-SEASONED-ISSUER>N

<FILED-PURSUANT-TO-GENERAL-INSTRUCTION-A2>N

<IS-FUND-24F2-ELIGIBLE>N

</SEC-HEADER>

<DOCUMENT>
<TYPE>N-2
<SEQUENCE>1
<FILENAME>d202164dn2.htm
<DESCRIPTION>BLACKROCK MUNIASSETS FUND, INC.
<TEXT>
Document 1 - file: d202164dn2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(B)(2)
<SEQUENCE>2
<FILENAME>d202164dex99b2.htm
<DESCRIPTION>AMENDMENT NO. 1 TO AMENDED AND RESTATED BYLAWS
<TEXT>
Document 2 - file: d202164dex99b2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(4)
<SEQUENCE>3
<FILENAME>d202164dex99g4.htm
<DESCRIPTION>AMENDMENT NO. 2 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
<TEXT>
Document 3 - file: d202164dex99g4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(5)
<SEQUENCE>4
<FILENAME>d202164dex99g5.htm
<DESCRIPTION>AMENDMENT NO. 3 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
<TEXT>
Document 4 - file: d202164dex99g5.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(G)(6)
<SEQUENCE>5
<FILENAME>d202164dex99g6.htm
<DESCRIPTION>AMENDMENT NO. 4 TO AMENDED AND RESTATED MASTER ADVISORY FEE WAIVER AGREEMENT
<TEXT>
Document 5 - file: d202164dex99g6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(K)(3)
<SEQUENCE>6
<FILENAME>d202164dex99k3.htm
<DESCRIPTION>FORM OF SECURITIES LENDING AGENCY AGREEMENT
<TEXT>
Document 6 - file: d202164dex99k3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(R)
<SEQUENCE>7
<FILENAME>d202164dex99r.htm
<DESCRIPTION>CODE OF ETHICS
<TEXT>
Document 7 - file: d202164dex99r.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(S)
<SEQUENCE>8
<FILENAME>d202164dex99s.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 8 - file: d202164dex99s.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g202164g06t81.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g202164g06t81.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g202164g32u14.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g202164g32u14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g202164gra279.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g202164gra279.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g202164snap3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g202164snap3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g202164will.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g202164will.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>COVER
<SEQUENCE>15
<FILENAME>filename15.htm
<TEXT>
Document 15 - file: filename15.htm

</DOCUMENT>
</SEC-DOCUMENT>