Calgary has many homes with secondary/basement suites or backyard/carriage suites. 

City of Calgary: all suites require a building permit.

legalize an existing secondary suiteadding a new suite or building a backyard suite 

The City of Calgary​ is waiving fees for the development permit and secondary suite registry for all secondary and backyard suites​ until December 31, 2021. 

All secondary and backyard suites must be on City of Calgary suite registry​ by December 31, 2021​. In January 2022, the city will reinstate fees for the development permit and suite registry.​

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