A legal secondary suite in Calgary can generate $1,400–$2,200 per month in rental income — but only if it's permitted, inspected, and built to the City's safety code. This guide covers what "legal" actually means and the most common mistakes we see.
What Makes a Suite "Legal" in Calgary
The City of Calgary requires every secondary suite to register with the Secondary Suite Registry and meet building, fire, and zoning code. A legal secondary suite is a self-contained dwelling — its own kitchen, bathroom, sleeping area, and a separate entrance — that has been inspected and approved.
An unregistered suite isn't just a fine waiting to happen — most home insurance policies will deny rental-related claims on unregistered units.
The Permit Process, Step by Step
- Zoning check — confirm the lot allows a secondary suite under current bylaws.
- Drawings and application — architectural and electrical drawings submitted to the City.
- Inspections — framing, electrical, plumbing, and final occupancy.
- Registration — the suite is added to the public registry once it passes.
Expect the full process to take 3–5 months from application to occupancy approval, depending on inspector availability.
