<SEC-DOCUMENT>0001193125-22-065681-index.html : 20220304
<SEC-HEADER>0001193125-22-065681.hdr.sgml : 20220304
<ACCEPTANCE-DATETIME>20220304132905
ACCESSION NUMBER:		0001193125-22-065681
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220304
DATE AS OF CHANGE:		20220304
EFFECTIVENESS DATE:		20220304

FILER:

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

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-10543
		FILM NUMBER:		22713300

	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>N-CSR
<SEQUENCE>1
<FILENAME>d298913dncsr.htm
<DESCRIPTION>BLACKROCK CORE BOND TRUST
<TEXT>
Document 1 - file: d298913dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d298913dex99cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d298913dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d298913dex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
<TEXT>
Document 3 - file: d298913dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.SECTION19
<SEQUENCE>4
<FILENAME>d298913dex99section19.htm
<DESCRIPTION>SECTION 19 NOTICES
<TEXT>
Document 4 - file: d298913dex99section19.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>5
<FILENAME>d298913dex99proxypol.htm
<DESCRIPTION>PROXY VOTING POLICY AND PROCEDURES
<TEXT>
Document 5 - file: d298913dex99proxypol.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.GLOBAL.CORP.GO
<SEQUENCE>6
<FILENAME>d298913dex99globalcorpgo.htm
<DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
<TEXT>
Document 6 - file: d298913dex99globalcorpgo.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.US.CORP.GOV
<SEQUENCE>7
<FILENAME>d298913dex99uscorpgov.htm
<DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
<TEXT>
Document 7 - file: d298913dex99uscorpgov.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g158670g01j01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g158670g01j01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g158670g02j02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g158670g02j02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g158670g42l24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g158670g42l24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g298913006n.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g298913006n.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g298913009n.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g298913009n.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g298913012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g298913012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g298913g42l24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g298913g42l24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g298913leaf.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g298913leaf.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g298913sig.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g298913sig.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g298913snap1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g298913snap1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g298913snap2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g298913snap2.jpg

</DOCUMENT>
</SEC-DOCUMENT>