Fall Tree Checks Before Ottawa’s Snow and Ice Season

A fall walk-around can help identify branches or trees that need professional attention before snow and freezing rain arrive. It is a visual screening, not a structural assessment: trees can fail without obvious warning, and pruning near power lines or at height is not a homeowner task.

First confirm who owns the tree

In Ottawa, the City maintains trees on City property. A trunk can be partly inside the road allowance even when most of its canopy hangs over a private yard. If ownership is unclear, contact 3-1-1 or use the City’s service request process before arranging pruning. Do not assume the property fence or curb marks the ownership boundary. For a private tree, the City says pruning should follow good arboricultural practices. Tree-protection rules may apply to certain trees and circumstances, especial...

Look for warning signs from the ground

Walk around the tree and note large dead branches, cracked or split limbs, hanging branches, fresh trunk wounds, cavities, fungal growth near the base, a new lean or soil lifting around the roots. Check whether a branch could reach a roof, parked vehicle, walkway or utility wire if it broke. Photograph the concern from a safe location and describe when it appeared or changed. A single sign does not prove a tree is unsafe, and healthy trees can still lose limbs in severe weather. Do not climb th...

Schedule work with the right professional

Ask an arborist to assess the specific defect and explain the recommended work, the risk it addresses and what should be monitored afterward. Verify qualifications, insurance and the written scope. Pruning should preserve the tree’s structure; topping or removing large amounts of canopy can create new hazards and damage long-term health. Do not hire anyone who offers to work on a tree touching or near overhead power lines without the proper utility coordination. Ottawa’s guidance distinguishes ...

After a storm, keep the scene safe

If a tree or limb comes down, first check for injured people and live wires from a safe distance. Never touch a branch resting on a wire, a wire on the ground, or a tree that may be energized. Keep children and pets away, report a City tree concern through 3-1-1, and contact your insurer if property is damaged. Once the area is confirmed safe, document damage before cleanup where practical. For a damaged private tree, have an arborist assess remaining limbs and root stability; cutting a fallen ...

Frequently Asked Questions

Does Ottawa require a permit to prune a private tree?

The City’s tree-protection information says a permit is not required simply to prune private trees, but pruning must follow good arboricultural practices and other protections may apply. Check current City rules for your exact tree and planned work.

How can I tell if a tree is City-owned?

The trunk’s location, not just the canopy or fence, helps determine ownership. If you are unsure, contact Ottawa 3-1-1 and ask the City to confirm before arranging work.

Can I cut a branch that is touching a power line?

No. Stay away and do not attempt to prune it. Contact the utility or emergency services as appropriate and wait for qualified crews.

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