<SEC-DOCUMENT>0001140361-18-029535-index.html : 20180622
<SEC-HEADER>0001140361-18-029535.hdr.sgml : 20180622
<ACCEPTANCE-DATETIME>20180622060410
ACCESSION NUMBER:		0001140361-18-029535
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180622
DATE AS OF CHANGE:		20180622

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GREENE COUNTY BANCORP INC
		CENTRAL INDEX KEY:			0001070524
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
		IRS NUMBER:				141809721
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25165
		FILM NUMBER:		18913077

	BUSINESS ADDRESS:	
		STREET 1:		302 MAIN STREET
		CITY:			CATSKILL
		STATE:			NY
		ZIP:			12414
		BUSINESS PHONE:		5189432600

	MAIL ADDRESS:	
		STREET 1:		302 MAIN STREET
		CITY:			CATSKILL
		STATE:			NY
		ZIP:			12414
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>form11k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: form11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>ex23_1.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: ex23_1.htm

</DOCUMENT>
</SEC-DOCUMENT>