| Cover | Jan. 14, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 14, 2025 |
| Entity File Number | 000-19954 |
| Entity Registrant Name | JEWETT-CAMERON TRADING COMPANY LTD. |
| Entity Central Index Key | 0000885307 |
| Entity Tax Identification Number | 00-0000000 |
| Entity Incorporation, State or Country Code | A1 |
| Entity Address, Address Line One | 32275 N.W. 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, no par value |
| Trading Symbol | JCTC |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
