<SEC-DOCUMENT>0001193125-25-242071-index.html : 20251017
<SEC-HEADER>0001193125-25-242071.hdr.sgml : 20251017
<ACCEPTANCE-DATETIME>20251017093911
ACCESSION NUMBER:		0001193125-25-242071
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251017
DATE AS OF CHANGE:		20251017

FILER:

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

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-288712
		FILM NUMBER:		251399099

	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>424B3
<SEQUENCE>1
<FILENAME>d70290d424b3.htm
<DESCRIPTION>BLACKROCK MUNIASSETS FUND, INC.
<TEXT>
Document 1 - file: d70290d424b3.htm

</DOCUMENT>
</SEC-DOCUMENT>