<SEC-DOCUMENT>0001752724-21-145802-index.html : 20210713
<SEC-HEADER>0001752724-21-145802.hdr.sgml : 20210713
<ACCEPTANCE-DATETIME>20210713163746
ACCESSION NUMBER:		0001752724-21-145802
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210430
FILED AS OF DATE:		20210713
DATE AS OF CHANGE:		20210713
EFFECTIVENESS DATE:		20210713

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-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07642
		FILM NUMBER:		211088282

	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-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_811-07642_1857618147.txt
<TEXT>
Document 2 - file: NCEN_811-07642_1857618147.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>MATERIAL AMENDMENTS
<SEQUENCE>3
<FILENAME>NCEN_811-07642_2359438938.htm
<TEXT>
Document 3 - file: NCEN_811-07642_2359438938.htm

</DOCUMENT>
</SEC-DOCUMENT>