Scope before arithmetic
Make sure the fee belongs to your project.
Detached garages use the City’s housing permit framework with applicable forms, drawings and zoning review. An attached or detached garage that fails a zoning setback may need a separate Committee of Adjustment minor variance before the building permit route can be completed.
Markham includes detached garages among housing permit examples and permit-required construction.
Markham states that attached and detached garages and carports require a building permit.
The City reviews permit applications against zoning and other applicable law.
Official sources behind this page
Markham includes detached garages among housing permit examples and permit-required construction.
Markham states that attached and detached garages and carports require a building permit.
The City reviews permit applications against zoning and other applicable law.
For a hypothetical residential deck/accessory structure under 50 m² requiring minor setback relief without change of use, Markham confirmed Residential Small Scale Development Standards (Table 7 item 7.1.2). The City’s 2026 listed fee is $2,942, separate from any building permit or zoning preliminary review fee.
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the garage / carport guide