Arborist Reports
in Toronto
Municipal tree protection bylaws shouldn’t delay your construction project or home renovation. Our certified arborists deliver detailed, city-compliant arborist reports designed to move building permits, tree removal applications, and land development approvals forward instead of stalling in review.
With over 12 years of hands-on climbing and urban forestry experience, we provide fast, accurate assessments that satisfy municipal inspectors while protecting your property investment. We prepare arborist reports for properties across Toronto and surrounding areas.
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What Is an Arborist Report & Why Do You Need One?
An arborist report is an official technical document prepared by an ISA Certified Arborist. It details the health, structural integrity, species, size, and location of trees on or adjacent to a property.
In Toronto and surrounding municipalities, local bylaws require a formal arborist report to protect the urban tree canopy. You’ll typically need one when:
- Applying for a tree removal permit, for trees on private property that exceed municipal diameter thresholds, such as 30 centimetres DBH (Diameter at breast height) under Toronto Municipal Code Chapter 813
- Planning construction or renovation work, including additions, garages, pools, decks, or secondary suites near existing trees
- Meeting development requirements, such as site plan control, lot severances, demolitions, or civil excavation work
- Working within ravine or protected natural feature lands under municipal protection bylaws
- Documenting a hazardous tree, including decay, storm damage, or structural failure risk, to support an emergency removal or insurance claim
Permit Thresholds Vary by Municipality
Every GTA municipality sets its own rules for which trees are protected, and the difference catches a lot of property owners off guard. Toronto requires a permit for private trees 30 centimetres or more in diameter at breast height under Municipal Code Chapter 813. Mississauga’s threshold is lower, at 15 centimetres, which means a tree that wouldn’t need a permit in Toronto often does across the city line. Other GTA municipalities set their own thresholds, which is why the first step of any arborist report is confirming which bylaw actually applies to your address.
What Happens If You Skip This Step?
Removing or damaging a protected tree without the right documentation is more than a paperwork issue. Municipalities can issue significant fines for unpermitted tree removal, and a construction project that damages a protected tree’s root zone without an approved tree protection plan can face stop-work orders that cost far more in delays than the report would have. On the permit side, an incomplete or non-compliant report is one of the most common reasons a municipal application gets bounced back for revisions, which can add weeks to a project timeline that’s already on a deadline.
Why GTA Property Owners Choose J&C Tree Services for Their
Arborist Report
A rejected application costs more than the report itself. It costs the weeks it takes to fix and resubmit, and on a construction project, that delay can ripple through permits, contractors, and financing that are all scheduled around it.
Our reports are prepared to the technical standard municipal urban forestry departments actually expect, not a generic template. We measure precisely, document thoroughly, and map every regulated tree against your specific project, so the report holds up to review the first time. With over 12 years working with GTA properties and their local bylaws, we know what each municipality’s reviewers look for, which is exactly the kind of detail that keeps an application moving instead of sitting in a queue.
What’s Included
in a J&C Tree Services Arborist Report
| Report Component | What’s Covered |
|---|---|
| Complete tree inventory | Every regulated tree identified by common and botanical name, with precise DBH, height, and canopy spread |
| Health and condition rating | Structural integrity, deadwood percentage, vigor, fungal presence, root damage, and pest infestations such as emerald ash borer |
| Property and boundary mapping | Exact tree locations relative to lot boundaries, structures, and neighbouring trees within 6 metres of the site |
| Bylaw categorization | Classification under private tree bylaws, city-owned road allowances, parkland, or protected ravine zones |
| Tree protection plan | Preservation protocols, including tree protection zone fencing specs, root pruning guidelines, and deep root care |
| Compensation and replacement plan | A replanting plan detailing species selection, sizing, and replacement ratios to meet municipal conditions |
Our Arborist Report
Process
Step 1
Property & Bylaw Review
Contact us with your address and project scope. We review your site against the relevant municipal tree bylaw, whether that’s Toronto, York Region, Peel Region, or elsewhere, to confirm exactly what your permit requires.Step 2
On-site Tree Assessment
Our arborist inspects the site in person, measuring tree dimensions, documenting conditions with photos, and mapping trees relative to your site plans.Step 3
Report & Plan Preparation
We draft the full arborist report and tree protection plan, built to meet municipal urban forestry standards.Step 4
Permit Submission Support
You receive a finalized, digital-ready report for your permit application. If city staff request clarification, we respond directly so your project keeps moving.Frequently Asked
Questions
How long does it take to get an arborist report?
Standard reports are completed within 3 to 5 business days of the on-site inspection. Expedited reports are available for urgent construction or permit deadlines.
Does hiring an arborist guarantee permit approval?
No consultant can guarantee a municipal decision, but a properly prepared report from a certified arborist means your application meets local technical requirements, which avoids the automatic rejections that come from incomplete documentation.
What is a tree protection zone?
It’s a defined area around a tree where construction activity, soil compaction, material storage, and excavation are restricted, so the root system and trunk aren’t damaged during nearby work.
Do you handle emergency hazard evaluations?
Yes. If a tree poses an immediate threat to your home after a storm, our team can assess the risk and document conditions to support an emergency removal permit or an insurance claim.
Do I need a report if I’m not removing a tree, just building near one?
Often, yes. Most municipal bylaws require a tree protection plan any time construction, excavation, or grading happens near a protected tree’s root zone, whether or not the tree itself is coming down.
Does the report have to come from an ISA Certified Arborist?
Most GTA municipalities specifically require the report to be prepared by an ISA Certified Arborist for it to be accepted as part of a permit application. A general contractor’s assessment or an uncertified opinion typically won’t satisfy the requirement.
What does an arborist report cost?
It depends on the number of trees involved, the property size, and the complexity of the bylaw requirements. We provide a quote after a quick review of your project scope, with no obligation attached.
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Need an
Arborist Report for Your Project?
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