Exhibit 99.1350CERT
Certification Pursuant to Rule 30a-2(b) under the 1940 Act and
Section 906 of the Sarbanes-Oxley Act of 2002
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock New York Municipal Bond Fund of
BlackRock Multi-State Municipal Series Trust (the “registrant”), hereby certifies, to the best of his
knowledge, that the registrant's Report on Form N-CSR for the period ended June 30, 2011 (the “Report”)
fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as amended,
and that the information contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of the registrant.
Date: September 2, 2011
/S/ John M. Perlowski
John M. Perlowski
Chief Executive Officer (principal executive officer) of
BlackRock New York Municipal Bond Fund of BlackRock Multi-State Municipal Series Trust
Pursuant to 18 U.S.C. § 1350, the undersigned officer of BlackRock New York Municipal Bond Fund of
BlackRock Multi-State Municipal Series Trust (the “registrant”), hereby certifies, to the best of his
knowledge, that the registrant's Report on Form N-CSR for the period ended June 30, 2011 (the “Report”)
fully complies with the requirements of Section 15(d) of the Securities Exchange Act of 1934, as amended,
and that the information contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of the registrant.
Date: September 2, 2011
/S/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock New York Municipal Bond Fund of BlackRock Multi-State Municipal Series Trust
This certification is being furnished pursuant to Rule 30a-2(b) under the Investment Company Act of 1940,
as amended, and 18 U.S.C. Section 1350 and is not being filed as part of the Form N-CSR with the
Securities and Exchange Commission.
Blackrock Multi State Municipal Series Trust
Filed: 6 Sep 11, 12:00am