v3.25.4
Cover - shares
6 Months Ended
Jan. 31, 2026
Mar. 12, 2026
Cover [Abstract]    
Entity Registrant Name My City Builders, Inc.  
Entity Central Index Key 0001556801  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --07-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Jan. 31, 2026  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Entity Common Stock Shares Outstanding   17,926,686
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 000-55233  
Entity Incorporation State Country Code NV  
Entity Tax Identification Number 27-3816969  
Entity Address Address Line 1 100 Biscayne Boulevard.  
Entity Address Address Line 2 Suite 1611  
Entity Address City Or Town Miami  
Entity Address State Or Province FL  
Entity Address Postal Zip Code 33132  
City Area Code 786  
Local Phone Number 553-4006  
Security 12g Title Common Stock, $0.001 par value  
Trading Symbol MYCB  
Entity Interactive Data Current Yes