Permit Library › Municipal: City of Toronto › Toronto Building › Building permits
Designated Structures Permit
Permit for structures designated under the Building Code.
You need it when: Communication towers, crane runways, exterior tanks, pedestrian bridges, retaining walls > 1 m, rooftop dishes or solar collectors.
Why it's needed
- Needed when construction equipment or permanent works include a designated structure.
When to apply
- Before erecting the structure.
Review time
Plan for about 30 business days.
Documents for a complete application
- Structural drawings & calculations
- Site plan showing location
- Toronto Building application checklist for the permit type (ask for the latest version at pre-application)
Submission checklists
How to submit
- Electronic submission to Toronto Building.
Forms and guides
- Application for a Permit to Construct or Demolish (City of Toronto, application form)
Official pages
Track Designated Structures Permit free.
Track this permit freeDeadlines in business days, email alerts before decisions are due, and your whole team in one place.
Sources are marked in the text: [TO] toronto.ca pages, [Guide] general industry guidance, [Plan] permit planning practice. Confirm on the official page before applying.