Three-Unit Dwelling Registration Process Body Content STEP 1: Ensure you are following the Zoning By-Law STEP 2: Apply online for a building permit. Submission requirements include: A completed Application for Registration and Change of Use Building Permit, Three-Unit Dwelling Payment of $200 registration fee, $400 registration fee if applying for the second unit and third unit together Payment deposit of $438.97 or $1,521.40 deposit fee if applying for the second and third units together Legal survey of the property Complete sets of the drawings, prepared in accordance with generally accepted architectural and engineering practices Read the Submission Requirements prior to starting your online application. Click to Apply STEP 3: At issuance of the permit, a payment fee balance may be applicable. STEP 4: Complete construction and book inspections as required.Occupancy inspections of the second and third unit can be granted separately. All other inspections must be booked together. STEP 5: Email ESA Certificate from the Electrical Safety Authority to firstname.lastname@example.org and we will finalize your registration. Completing the registration process ensures a third unit meets all requirements under the Ontario Building Code or Fire Code, Electrical Safety Authority and local Zoning By-Law. A registration system also helps the City identify the location of third units.