Filing of Certain Prospectuses and Communications in Connection With Business Combination Transactions (425)

Filed by BlackRock MuniHoldings California Quality Fund, Inc.

pursuant to Rule 425 under the Securities Act of 1933

and deemed filed pursuant to Rule 14a-6

under the Securities Exchange Act of 1934

Subject Company: BlackRock MuniYield California Fund, Inc.

File No.: 333-260147

Date: January 26, 2022

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BLACKROCK FUND MERGERS

SHAREHOLDER APPROVAL REQUIRED

MAKE YOUR VOICE HEARD - PLEASE VOTE NOW

BlackRock MuniHoldings California Quality Fund, Inc. (MUC)

BlackRock MuniYield California Fund, Inc. (MYC)

BlackRock MuniYield California Quality Fund, Inc. (MCA)

 

TIME IS RUNNING SHORT You recently received proxy materials relating to the fund merger proposals to be voted on at the Joint Special Meeting of shareholders of MUC, MYC and MCA (the “Funds”) which will be held in a virtual meeting format on February 4, 2022 at 11:00 a.m. (Eastern Time). You are receiving this REMINDER notice because you held shares in the Fund(s) on the record date and we have not received your vote.

The Board of Directors of each of the Funds believes that the fund merger proposals that the shareholders of each of the Funds are being asked to vote upon are in the best interests of the Funds and its shareholders and unanimously recommends that you vote “FOR” such proposals.

If you have any questions concerning the proposals or would like to cast your vote with a live proxy voting specialist, please feel free to contact Georgeson LLC, toll free at 1-866-821-2614.

 

Vote Online
by logging onto the website listed on the enclosed proxy card or voting instruction form and following the instructions

 

Vote by Phone
by calling the toll-free number on the enclosed proxy card or voting instruction form and following the simple instructions

 

Vote by Mail
by completing and returning your executed proxy card or voting instruction form in the postage paid envelope provided

 

The proxy materials previously sent to you contain important information; please read them carefully. Copies of the Proxy Statement are available for free on the Securities and Exchange Commission’s website at www.sec.gov or by visiting
WWW.PROXY-DIRECT.COM/BLK-32392 or by calling Georgeson LLC, the Funds’ proxy solicitor toll free at 1-866-821-2614.

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