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Do You Need a Tree Removal Permit in Ottawa?
Whether you need a tree removal permit in Ottawa depends on the tree’s size, location, and the circumstances of the removal. Ottawa’s Tree Protection By-law helps protect the city’s urban canopy and significant trees.
In many cases, privately owned trees measuring 30 centimeters or more in diameter at breast height within Ottawa’s urban area may require a permit before removal. Additional requirements or exemptions may apply depending on the property and reason for the removal.
If you’re unsure whether a permit is required, our ISA-certified arborists can assess your tree, explain the applicable requirements, and help guide you through the permit process.
How to Obtain a Tree Permit
The tree removal permit process in Ottawa follows a series of steps. Understanding the process can help avoid delays and ensure your application is complete.
Step 1. Confirm whether your tree qualifies as a distinctive tree
Measure the trunk diameter at 1.3 meters above ground level. Trees measuring 30 centimeters or more in diameter may require a permit, depending on the property and any applicable exemptions.
Step 2. Submit a Tree Information Report
The City may require information about the tree, the reason for removal, and its location on your property. Complete and accurate documentation helps the City review your application more efficiently and reduces the risk of delays.
Step 3. Wait for the City’s decision
The City may approve the application, deny it, or impose conditions, such as replacement-planting requirements. Processing times vary depending on the application and supporting information provided.
Step 4. Follow the Permit Conditions
If the City approves your permit, you must follow any conditions attached to the approval before removing the tree. Depending on the application, the City may require you to post the permit on the property, plant a replacement tree, or meet other permit conditions before work can proceed.
Hire an Ottawa Arborist for Tree Removal Permits and Services
Working with a certified arborist from the start of the permit process can help avoid delays and confusion. An ISA-certified arborist provides the technical knowledge and documentation the City of Ottawa may require when reviewing permit applications.
A certified arborist can determine whether a tree qualifies as a distinctive tree, identify potential exemptions, prepare a Tree Information Report when required, and provide guidance based on your property’s circumstances.
Advanced Tree Solutions helps Ottawa property owners navigate the permit process, from the initial assessment to the preparation of a Tree Information Report. Every assessment is led by ISA-certified arborist Ryan Burns, providing professional guidance tailored to your property and tree care needs.
What Is a Distinctive Tree in Ottawa?
The Tree Protection By-law generally defines a distinctive tree as a tree measuring 30 centimeters or more in diameter at breast height (DBH), measured 1.3 meters above ground level. Property owners may need a permit before removing a distinctive tree from a regulated private property.
Diameter at breast height, commonly referred to as DBH, is a standard forestry measurement used to determine tree size. To estimate DBH, measure the trunk circumference at 1.3 meters above the ground and divide by 3.14. A circumference of approximately 94 centimeters equals a diameter of about 30 centimeters.
If you’re unsure whether your tree qualifies as a distinctive tree, we can help confirm the measurement and explain any permit requirements that may apply.
Trees That Do Not Require a Permit
Permit requirements and exemptions can vary. We can assess your tree and help determine whether a permit may be required.
Trees below the distinctive tree threshold
Trees measuring less than 30 centimeters DBH on regulated private properties generally do not require a tree removal permit.
Certain ash trees affected by the emerald ash borer
Ottawa has provided exemptions for some ash trees affected by the emerald ash borer. Property owners should confirm current requirements with the City before proceeding.
Emergencies
The City may exempt certain emergency tree removals from permit requirements when a tree creates an immediate safety hazard. Examples include storm-damaged trees, trees that have fallen onto buildings, or trees at imminent risk of failure. Poor condition alone does not necessarily qualify a tree for this exemption.
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Ottawa’s Tree Removal Permits | FAQ Guide
Confused by Ottawa’s tree removal rules? These answers can help you understand the permit process.
Do I need a permit to remove a tree in Ottawa?
The Tree Protection By-law may require property owners to obtain a permit before removing a tree. Permit requirements depend on the tree’s size, location, and whether any exemptions apply.
What size tree requires a permit in Ottawa?
In many cases, trees with a diameter at breast height (DBH) of 30 centimeters or greater on regulated private properties are considered distinctive trees and may require a permit before removal.
Can I remove a tree on my property without permission?
Yes, in some situations. The Tree Protection By-law allows property owners to remove certain smaller trees and trees that qualify for specific exemptions without obtaining a permit. If you’re unsure, check the requirements before starting any work.
How long does it take to get a tree removal permit?
Processing times vary depending on application volume, property conditions, and whether supporting documentation is required. Planning several weeks in advance is generally recommended.
How much does a tree removal permit cost in Ottawa?
The City of Ottawa sets permit fees and may update them over time. For the most current fee schedule, contact Ottawa Forestry Services or visit the City’s website.