<SEC-DOCUMENT>0001193125-25-152687-index.html : 20250630
<SEC-HEADER>0001193125-25-152687.hdr.sgml : 20250630
<ACCEPTANCE-DATETIME>20250630161434
ACCESSION NUMBER:		0001193125-25-152687
CONFORMED SUBMISSION TYPE:	POS EX
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20250630
DATE AS OF CHANGE:		20250630
EFFECTIVENESS DATE:		20250630

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK CORE BOND TRUST
		CENTRAL INDEX KEY:			0001160864
		ORGANIZATION NAME:           	
		EIN:				522346891
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		POS EX
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-284785
		FILM NUMBER:		251092177

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		888-825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
</SEC-HEADER>
<DOCUMENT>
<TYPE>POS EX
<SEQUENCE>1
<FILENAME>d874897dposex.htm
<DESCRIPTION>BLACKROCK CORE BOND TRUST
<TEXT>
Document 1 - file: d874897dposex.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(H)(1)
<SEQUENCE>2
<FILENAME>d874897dex99h1.htm
<DESCRIPTION>DISTRIBUTION AGREEMENT
<TEXT>
Document 2 - file: d874897dex99h1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(H)(2)
<SEQUENCE>3
<FILENAME>d874897dex99h2.htm
<DESCRIPTION>SUB-PLACEMENT AGENT AGREEMENT
<TEXT>
Document 3 - file: d874897dex99h2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(L)(3)
<SEQUENCE>4
<FILENAME>d874897dex99l3.htm
<DESCRIPTION>OPINION AND CONSENT OF COUNSEL
<TEXT>
Document 4 - file: d874897dex99l3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.(S)(2)
<SEQUENCE>5
<FILENAME>d874897dex99s2.htm
<DESCRIPTION>CALCULATION OF FILING FEES TABLE
<TEXT>
Document 5 - file: d874897dex99s2.htm

</DOCUMENT>
</SEC-DOCUMENT>