<SEC-DOCUMENT>0000891092-15-003739-index.html : 20150501
<SEC-HEADER>0000891092-15-003739.hdr.sgml : 20150501
<ACCEPTANCE-DATETIME>20150501105420
ACCESSION NUMBER:		0000891092-15-003739
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		11
CONFORMED PERIOD OF REPORT:	20150228
FILED AS OF DATE:		20150501
DATE AS OF CHANGE:		20150501
EFFECTIVENESS DATE:		20150501

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-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-10543
		FILM NUMBER:		15822488

	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-CSRS
<SEQUENCE>1
<FILENAME>e63071ncsrs.htm
<DESCRIPTION>SEMI-ANNUAL REPORT
<TEXT>
Document 1 - file: e63071ncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>e63071ex99cert.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
Document 2 - file: e63071ex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>e63071ex99-906cert.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
Document 3 - file: e63071ex99-906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>e63071bhk.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: e63071bhk.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>e63071bkt.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: e63071bkt.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>e63071hyt.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: e63071hyt.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>blackrock_1-5in.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: blackrock_1-5in.jpg

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

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

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

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

</DOCUMENT>
</SEC-DOCUMENT>