Document and Entity Information - USD ($)	12 Months Ended
	Aug. 31, 2021	Nov. 24, 2021	Feb. 28, 2021
Registrant CIK	0000885307
Fiscal Year End	--08-31
Document Type	10-K
Document Annual Report	true
Document Period End Date	Aug. 31, 2021
Document Transition Report	false
Entity File Number	000-19954
Entity Registrant Name	JEWETT-CAMERON TRADING CO LTD
Entity Tax Identification Number	00-0000000
Entity Address, Address Line One	32275 NW Hillcrest
Entity Address, City or Town	North Plains
Entity Address, State or Province	OR
Entity Address, Postal Zip Code	97133
City Area Code	503
Local Phone Number	647-0110
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	JCTCF
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Public Float			$ 24,954,072
Entity Common Stock, Shares Outstanding		3,492,842
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
None
Security Exchange Name	NONE
A1
Entity Incorporation, State or Country Code	A1