<SEC-DOCUMENT>0001287695-15-000370-index.html : 20151028
<SEC-HEADER>0001287695-15-000370.hdr.sgml : 20151028
<ACCEPTANCE-DATETIME>20151028163957
ACCESSION NUMBER:		0001287695-15-000370
CONFORMED SUBMISSION TYPE:	NSAR-B
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20150831
FILED AS OF DATE:		20151028
DATE AS OF CHANGE:		20151028
EFFECTIVENESS DATE:		20151028

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:		NSAR-B
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-10543
		FILM NUMBER:		151180700

	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>NSAR-B
<SEQUENCE>1
<FILENAME>bhk.fil
<TEXT>
Document 1 - file: bhk.fil

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77B ACCT LTTR
<SEQUENCE>2
<FILENAME>tax3a77b.htm
<TEXT>
Document 2 - file: tax3a77b.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>3
<FILENAME>act3577o.htm
<TEXT>
Document 3 - file: act3577o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>4
<FILENAME>aig77o.htm
<TEXT>
Document 4 - file: aig77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>5
<FILENAME>barclays77o.htm
<TEXT>
Document 5 - file: barclays77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>6
<FILENAME>comcas77o.htm
<TEXT>
Document 6 - file: comcas77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>7
<FILENAME>exelon77o.htm
<TEXT>
Document 7 - file: exelon77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>8
<FILENAME>firstdat77o.htm
<TEXT>
Document 8 - file: firstdat77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>9
<FILENAME>gold77o.htm
<TEXT>
Document 9 - file: gold77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>10
<FILENAME>hcp77o.htm
<TEXT>
Document 10 - file: hcp77o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>11
<FILENAME>reyns2577o.htm
<TEXT>
Document 11 - file: reyns2577o.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.77O RULE 10F-3
<SEQUENCE>12
<FILENAME>ventas77o.htm
<TEXT>
Document 12 - file: ventas77o.htm

</DOCUMENT>
</SEC-DOCUMENT>