<SEC-DOCUMENT>0000909832-20-000012-index.html : 20200629
<SEC-HEADER>0000909832-20-000012.hdr.sgml : 20200629
<ACCEPTANCE-DATETIME>20200626190326
ACCESSION NUMBER:		0000909832-20-000012
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20191231
FILED AS OF DATE:		20200629
DATE AS OF CHANGE:		20200626

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COSTCO WHOLESALE CORP /NEW
		CENTRAL INDEX KEY:			0000909832
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-VARIETY STORES [5331]
		IRS NUMBER:				911223280
		STATE OF INCORPORATION:			WA
		FISCAL YEAR END:			0901

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20355
		FILM NUMBER:		20995544

	BUSINESS ADDRESS:	
		STREET 1:		999 LAKE DRIVE
		CITY:			ISSAQUAH
		STATE:			WA
		ZIP:			98027-
		BUSINESS PHONE:		4253138100

	MAIL ADDRESS:	
		STREET 1:		999 LAKE DRIVE
		CITY:			ISSAQUAH
		STATE:			WA
		ZIP:			98027

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COSTCO COMPANIES INC
		DATE OF NAME CHANGE:	19970401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRICE/COSTCO INC
		DATE OF NAME CHANGE:	19930728
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>a201911-k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: a201911-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>exhibit231.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 2 - file: exhibit231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>exhibit232.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 3 - file: exhibit232.htm

</DOCUMENT>
</SEC-DOCUMENT>