Subsequent events	12 Months Ended
Jun. 30, 2025
Subsequent events [Abstract]
Subsequent events	Note 21. Subsequent events On July 16, 2025, Greene County Bancorp, Inc. announced that its Board of Directors had approved a quarterly cash dividend of $0.10 per share on the Company’s common stock. The dividend reflects an annual cash dividend rate of $0.40 per share which represents an 11.1% increase from the previous annual cash dividend rate of $0.36 per share. The dividend was payable to stockholders of record as of August 15, 2025, and was paid on August 29, 2025. Greene County Bancorp, MHC waived its receipt of this dividend.

Subsequent events

12 Months Ended

Jun. 30, 2025

Note 21. Subsequent events

On July 16, 2025, Greene County Bancorp, Inc. announced that its Board of Directors had approved a quarterly cash dividend of $0.10 per share on the Company’s common stock. The dividend reflects an annual cash dividend rate of $0.40 per share which represents an 11.1% increase from the previous annual cash dividend rate of $0.36 per share. The dividend was payable to stockholders of record as of August 15, 2025, and was paid on August 29, 2025. Greene County Bancorp, MHC waived its receipt of this dividend.