BLACKROCK CALIFORNIA MUNICIPAL SERIES TRUST
BlackRock California Municipal Opportunities Fund
BLACKROCK MULTI-STATE MUNICIPAL SERIES TRUST
BlackRock New Jersey Municipal Bond Fund
BlackRock Pennsylvania Municipal Bond Fund
BLACKROCK MUNICIPAL BOND FUND, INC.
BlackRock High Yield Municipal Fund
BlackRock National Municipal Fund
(each, a “Fund” and collectively, the “Funds”)
Supplement dated December 1, 2022 to the Statement of Additional Information (“SAI”) of each Fund,
as supplemented to date
Effective immediately, the following change is made to each Fund’s SAI:
The chart listing investments and investment strategies in the section of the SAI entitled “I. Investment Objectives and Policies” as it relates to each Fund is deleted in relevant part and replaced with the following:
| U.S. Treasury Rolls | X |
Shareholders should retain this Supplement for future reference.
SAI-MUNI5-1222SUP