Projects that Toronto and Region Conservation Authority (TRCA) reviews
through its Development Planning and Permits stream include*:
Landowner or Developer projects, including subdivision grading, stormwater management ponds and outfalls, creek crossings, in-stream remediation works, alterations/restoration of wetlands, trails, large scale residential, mixed use or commercial projects, and projects associated with Ministerial Zoning Orders.
*Section 5 of Ontario Regulation 41/24 lists some projects that are exempt from obtaining a TRCA permit, which can be found HERE.
TRCA applications are divided into three categories:
Supplemental forms are also available below.
Please click on the icons below to go to the TRCA Application Portal.
TRCA’s Regulated Area Search can be used to quickly determine if your property falls within a TRCA Regulated Area.
All review is conducted online. To apply, just select the appropriate icon below. A TRCA planner will be assigned to your project and will reach out to you within two (2) business days.
Inquiries
Planning
Planning Act Applications
Planning Act applications are made through your local municipality. For additional information about how TRCA is involved in Planning Act review, CLICK HERE.
Permits
Supplemental Applications and Forms
Supplemental Applications
Forms
Don’t See Your Project Here?
Check out the following:
- Quick Links For:
- Frequently Asked Questions:
If you have any questions about the Development Planning and Permitting review services, please email developmentplanningpermits@trca.ca.



