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    ACCESSION NUMBER:		0001193125-25-049671
    CONFORMED SUBMISSION TYPE:	N-CSR
    PUBLIC DOCUMENT COUNT:		27
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250307
    DATE AS OF CHANGE:		20250307
    EFFECTIVENESS DATE:		20250307

    FILER:

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

    	FILING VALUES:
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    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-10543
    		FILM NUMBER:		25719268

    	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
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