What to Check on Rental Property Trees Before Winter

Late fall is the best time for a landlord or property manager to walk every tree on a rental property. The leaves are down, so dead branches, cracks and weak forks are easy to see, and anything found can be pruned, cabled or removed before snow and ice add weight to the canopy. The checklist below takes about fifteen minutes per tree and tells you which problems need a specialist before winter and which can wait for dormant-season pruning.

Treat it as a screening tool, not a diagnosis. If something on the list turns up, a written hazard tree assessment is the next step.

Why the walkthrough belongs in October and November

Winter is hard on trees near buildings. Wet snow and freezing rain can add a large load to a branch in a single night, and limbs that held all summer fail under that weight. Ice storms in Quebec, Ontario and the northern US have shown how quickly a weak tree turns into a roof claim, a blocked driveway or a downed service line.

For rental properties there is a second reason. Tenants park under these trees, walk under them to the door and hang laundry or bikes near them. If a tenant has reported a cracked limb and nothing happened, that report becomes evidence that the owner knew. We covered how that plays out in who is liable when a tree falls on a neighbour's property.

Late fall also suits the work itself. Most deciduous trees are going dormant, which makes structural pruning easier to plan, and crews can usually reach the yard before the ground freezes hard or fills with snowbanks.

The checklist, tree by tree

Start at the trunk and work outward. Take dated photos of anything you flag.

At the base and roots

• Fungus or mushrooms growing at the root flare or on the lower trunk. Conks (shelf fungi) often signal internal decay.
• Soil heaving or cracking on one side of the tree, especially after wind. This can mean roots are lifting.
• Cut or damaged roots from recent work: a new driveway, a sewer line repair, a fence, a patio or a foundation job within a few metres of the trunk.
• Soft or hollow wood at the base. Tap it with a rubber mallet; a dull, hollow sound is worth noting.

On the trunk

• Vertical cracks or seams, particularly ones that open and close in the wind.
• Cavities and missing bark. A small wound is common. A large patch of missing bark or a cavity you can put a hand into is not.
• Lean that has changed. A tree that has always leaned slightly is different from one that leans more than it did last year. Compare against older photos if you have them.
• Emerald ash borer signs on ash trees: D-shaped exit holes, bark splitting, heavy woodpecker activity and thinning at the top. Ash killed by the borer becomes brittle quickly and is risky for climbers to remove, so dead ash near a building should not wait.

In the crown

• Dead branches larger than a wrist, especially over the roof, the parking area, walkways or the neighbour's yard. With leaves gone, dead wood stands out by its lack of buds and its grey, peeling bark.
• Hangers: broken limbs caught in the canopy from a previous storm.
• Tight V-shaped forks with bark pinched between two stems (included bark). These are weak points that split under snow load and are classic candidates for cabling and bracing.
• Heavy limbs extending far out over a structure with little support near the trunk.
• Thin or dead top, which often points to root or trunk problems.

Around the tree

• Branches touching or hanging over the roof. They scrape shingles, drop debris into gutters and give squirrels and raccoons a path into the attic.
• Branches near the service line that runs from the pole to the building. Do not prune near it yourself; ask the utility whether it needs to be disconnected or covered first.
• Branches over street lines. Those belong to the electric utility's line-clearance crews. Report them rather than hiring anyone to cut.
• Trees overhanging a neighbour's building, car or fence. These carry the most liability risk and deserve the closest look.
• Clearance for snow removal. Low branches over driveways and parking pads get torn by plows and snowbank stacking.

Sorting what you found

Not everything on the list is urgent. A simple way to sort it:

Act before snow (this fall):

• Dead or dying trees within falling distance of a building, parking area, walkway or the line.
• Dead branches or hangers over people, cars or roofs.
• Cracked trunks, split forks and any lean that has recently changed.
• Dead or heavily infested ash near anything it could hit.

Plan for dormant-season pruning (late winter):

• Thinning a dense crown, reducing long heavy limbs and correcting structure on healthy trees.
• Raising low branches over driveways.
• Pruning back from the roof when the branches are healthy and not yet touching.

Monitor and recheck in spring:

• Small wounds, minor surface fungus with no soft wood behind it, and a slight lean that has not changed.

Removal is not always the answer. Pruning and cabling often make a healthy but awkward tree safe for years. When removal is the right call, ask whether stump grinding is included and what happens to the wood, so the yard is usable again by spring.

Paperwork that protects the owner

For managed and rental properties, the record matters almost as much as the work:

1. Keep the dated photos from this walkthrough in the property file.
2. Log tenant reports about trees with the date received and what was done.
3. Keep invoices and written scopes for any pruning, cabling or removal.
4. Check the permit rules first. Montréal boroughs, Toronto, Ottawa and many US cities require a permit to remove trees above a set trunk size, even on private land, and some require one for major pruning of protected trees. Removing a tree without the required permit can bring a fine.
5. Talk to the neighbour in writing before work on a boundary tree or branches over the line.

For realtors listing a rental or plex, the same walkthrough makes a useful pre-listing step. Buyers' inspectors flag dead trees over roofs, and a written scope or recent invoice answers the question before it becomes a negotiation point.

Frequently asked questions

Is late fall a good time to prune trees on a rental property?

It works well for removing dead, broken and hazardous branches, which can be done in any season. Structural pruning of healthy deciduous trees is usually best in late winter while they are fully dormant. Many owners handle the hazards in fall and schedule the rest for February or March.

Who is responsible for trees on a rental property, the landlord or the tenant?

In most leases the owner is responsible for trees, and the tenant is expected to report problems. Check the lease wording, since some single-family leases assign yard care to the tenant, but large trees and hazardous limbs almost always stay the owner's responsibility.

How can you tell if a tree needs a professional assessment?

Any crack in the trunk, fungus at the base, a lean that has changed, a dead top or a large dead limb over a building is reason enough. An assessment gives a written opinion on whether the tree should be monitored, pruned, cabled or removed, which is also useful for insurance and liability records.

Can a landlord cut branches touching the power line to the building?

No. Even the service line to a building can be energized and dangerous. Contact the electric utility first; it may disconnect or cover the line so a tree crew can prune safely, and lines on the street poles are handled by the utility's own crews.

Request a look before the first snow

If your walkthrough turned up dead wood over a roof, a split fork, a dead ash or a tree leaning toward the neighbours, send the details through our quote form. Include the city, the type of tree if you know it, roughly how tall it is and what it could hit. A local specialist looks at the tree and gives you a written scope covering the method, cleanup and any permit. Coverage includes the Calgary service area and the Chicago service area, along with cities across Canada and the US.