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Wooden Stairs

Legal Basement Apartments

An unpermitted basement apartment can void your home insurance, trigger municipal fines, and stall a home sale. A legal secondary suite in the GTA typically rents for $1,500–$2,200/month, often paying back the full renovation in 4–6 years.

We prepare permit drawings, submit your permit application, respond to any plan-review comments, and guide you through inspections to occupancy — start to finish, so you don't have to manage the process yourself.

Starting at $2,000 for permit drawings and application. Structural, mechanical, or zoning add-ons are quoted upfront, before you commit to anything — no surprise fees. Our fee covers design and permit filing; the municipality's own permit fee is separate and billed directly to you by the city.

Serving Toronto, Mississauga, Brampton, Vaughan, Markham and Hamilton. Book a free 15-minute assessment: (647) 667-1270.

© 2026 CAUD Group

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