EX-23 9 ef20050516_ex-23.htm EXHIBIT 23

EXHIBIT 23.
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in Registration Statement No. 333-51538 on Form S-8 of our report dated September 5, 2025, appearing in this Annual Report on Form 10-K of Greene County Bancorp, Inc. relating to the consolidated financial statements and internal controls for the two years ended June 30, 2025.
/s/ Bonadio & Co., LLP
Pittsford, New York
September 5, 2025