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Ottawa, Ontario / Project checklist

Shed / accessory structure permit checklist

Use a project-specific shed / accessory structure permit checklist for Ottawa, Ontario: documents, next steps, source review date and official references.

Focused project answerReviewed Oct 1, 2026
Use this before you submit

5 items to prepare for this project.

This checklist is generated only when BuildRules has enough project-specific documentation and source context to make a separate page useful.

Project template

Your preparation checklist

Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.

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Preparation checklist · Reviewed 2026-10-01

What to do next

  1. Confirm the structure type, floor area, number of storeys and plumbing
  2. Check zoning setbacks, height and lot coverage
  3. Determine whether the 15 m² storage-shed exemption applies
  4. Prepare and submit the permit package if required

Official sources behind this page

Storage shed exemptionPermit not required up to 15 m² when conditions are met

Ottawa states that a one-storey detached storage shed up to 15 m², ancillary to the principal building and without plumbing, does not require a building permit.

Official sourceCity of OttawaDetached garages and sheds · Permit threshold, first-review timeline, documents and inspections
Verified2026-10-01Open proof
Other accessory buildingsPermit required above the applicable threshold

Ottawa says accessory building types outside the listed storage-shed exemption can require a permit when the area is greater than 10 m².

Official sourceCity of OttawaDetached garages and sheds · Permit threshold, first-review timeline, documents and inspections
Verified2026-10-01Open proof
ZoningApplies even when permit-exempt

Ottawa notes that permit-exempt projects still need to comply with applicable law such as the Zoning By-law. Development Information Officers can advise on setbacks, height and lot coverage.

Official sourceCity of OttawaProjects not requiring building permits · Permit exemptions and continuing zoning obligations
Verified2026-10-01Open proof

Need the full project answer?

The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.

Open the shed / accessory structure guide