Bathroom Remodeling Costs Across Ontario (2026)

A building permit is required in Ontario whenever plumbing is relocated (moving a toilet, adding a shower drain, changing drain locations) or when structural changes are made. Most Ontario municipalities — Toronto, Mississauga, Brampton, Hamilton, London — also require a plumbing permit pulled by a licensed plumber. Cosmetic-only work (new tile, new fixtures in same locations) typically does not require a permit, but always confirm with your local building department. (Serving Markham, Ontario.)

What's Included in a Full Bathroom Remodel?

A building permit is required in Ontario whenever plumbing is relocated (moving a toilet, adding a shower drain, changing drain locations) or when structural changes are made. Most Ontario municipalities — Toronto, Mississauga, Brampton, Hamilton, London — also require a plumbing permit pulled by a licensed plumber. Cosmetic-only work (new tile, new fixtures in same locations) typically does not require a permit, but always confirm with your local building department. (Serving Markham, Ontario.)

Ontario Permit Requirements for Bathroom Remodeling

A building permit is required in Ontario whenever plumbing is relocated (moving a toilet, adding a shower drain, changing drain locations) or when structural changes are made. Most Ontario municipalities — Toronto, Mississauga, Brampton, Hamilton, London — also require a plumbing permit pulled by a licensed plumber. Cosmetic-only work (new tile, new fixtures in same locations) typically does not require a permit, but always confirm with your local building department. (Serving Markham, Ontario.)

Bathroom Remodeling Contractors Ontario 2026 | Markham

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