<SEC-DOCUMENT>0001209191-14-040085-index.html : 20140624
<SEC-HEADER>0001209191-14-040085.hdr.sgml : 20140624
<ACCEPTANCE-DATETIME>20140610140019
ACCESSION NUMBER:		0001209191-14-040085
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20140606
FILED AS OF DATE:		20140610
DATE AS OF CHANGE:		20140610

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Build America Bond Trust
		CENTRAL INDEX KEY:			0001493683
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0731

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		800-441-7762

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Park Charles
		CENTRAL INDEX KEY:			0001610283

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-22426
		FILM NUMBER:		14901634

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
Document 1 - file: doc3.html

Document 1 - RAW XML: doc3.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>attachment1.htm
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>
Document 2 - file: attachment1.htm

</DOCUMENT>
</SEC-DOCUMENT>