Annual Report of Proxy Voting Record for Management Investment Companies (n-px)

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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM N-PX

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ANNUAL REPORT OF PROXY VOTING RECORD OF
REGISTERED MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number 811-09537

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MFS CALIFORNIA MUNICIPAL FUND
(Exact name of registrant as specified in charter)

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111 Huntington Avenue, Boston, Massachusetts 02199
(Address of principal executive offices) (Zip code)

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Christopher R. Bohane
Massachusetts Financial Services Company
111 Huntington Avenue
Boston, Massachusetts 02199
(Name and address of agents for service)

Registrant's telephone number, including area code: [phone]

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Date of fiscal year end: November 30

Date of reporting period: July 1, 2019 - October 4, 2019*

* The reporting period for the aforementioned series of the Registrant is July 1, 2019 - October 4, 2019, the date of the final liquidating distribution to common shareholders.

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ITEM 1. PROXY VOTING RECORD.

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******************************* FORM N-Px REPORT *******************************

ICA File Number: 811-09537
Reporting Period: 07/01/2019 - 10/04/2019 MFS California Municipal Fund

======================== MFS California Municipal Fund =========================

There is no proxy voting activity for the fund, as the fund did not hold any votable positions during the reporting period.
========== END NPX REPORT

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SIGNATURES

Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Registrant: MFS CALIFORNIA MUNICIPAL FUND

By (Signature and Title): David DiLorenzo* David DiLorenzo, President and Principal Executive Officer

Date: January 10, 2020 *By (Signature and Title): /s/ Susan A. Pereira ------------------------------------- Susan A. Pereira, as attorney-in-fact

* Executed by Susan A. Pereira on behalf of David DiLorenzo pursuant to a Power of Attorney dated June 1, 2017. (1)

(1) Incorporated by reference to MFS Series Trust XIII (File Nos. 2-74959 and 811-03327) Post-Effective Amendment No. 65 filed with the SEC via EDGAR on June 27, 2017 (accession number 0001104659-17-041693).