Arborist Report Services in Toronto & GTA

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When a municipality, insurer, or lawyer needs a professional arborist report, the document has to be accurate, bylaw-compliant, and defensible. A weak report gets rejected. A good one gets your permit approved.

At Real Tree Masters, our ISA-certified arborists prepare detailed, approval-ready arborist reports for residential and commercial clients across Toronto, Mississauga, and the Greater Toronto Area. Whether you need a tree removal Toronto permit, a construction tree preservation plan, or a risk assessment after storm damage, every report we deliver is built to meet the exact standards your municipality requires.

What is an Arborist Report?

An arborist report is a formal document prepared by a certified arborist that evaluates the health, structural integrity, and risk level of one or more trees on a property. A properly prepared report by an arborist in Mississauga includes:

A complete tree inventory — species, size (DBH), condition, and mapped location for every relevant tree on site
Health and structural assessment — evaluation of vitality, disease, decay, root condition, and canopy integrity
Risk evaluation — identification of potential hazards and failure risks using ISA-recognized methodology
Construction impact analysis — how excavation, grading, and building activity will affect nearby trees
Preservation, removal, and replanting recommendations — clear, actionable guidance backed by data
Permit-ready documentation — formatted to meet City of Toronto, Mississauga, Vaughan, Oakville, and other GTA municipal submission standards

The reports prepared by our expert arborist in Toronto & Mississauga go beyond generic observations. Every document includes supporting photographs, site plans, and species-specific recommendations that align with the local bylaws governing your property.

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When Do You Need an Arborist Report?

Tree Removal Permits

In the City of Toronto, any tree with a diameter at breast height (DBH) of 30 cm or more is protected under the private tree bylaw. You cannot remove it without a permit, and a permit application requires an arborist report from an ISA-certified professional. In Mississauga, the threshold is lower — trees with a DBH of 15 cm or more are protected under the city’s Private Tree Protection Bylaw. Removing a protected tree without a permit can result in fines ranging from $500 to $100,000, depending on the municipality.

If you’re searching for reliable tree removal Toronto services, the process starts here with a compliant arborist report that supports your application.

Construction, Renovation, or Development Projects

Any construction project near existing trees typically triggers a Tree Preservation Plan requirement. Whether you’re building an addition, developing a new property, or constructing a garden suite or laneway house, the municipality will require a construction arborist report that documents tree locations, establishes Tree Protection Zones (TPZ), and outlines root protection and monitoring during the build.

Insurance Claims After Storm Damage

When a storm damages trees on your property, your insurance provider will typically require professional documentation before approving a claim. Our arborist reports provide the photographic evidence, species identification, condition assessment, and risk analysis that adjusters need to process your claim efficiently. If you need emergency tree services after a storm, we respond quickly, and the arborist report we prepare supports your claim from day one.

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Trusted by Thousands Across the GTA

Why Choose The Real Tree Masters?

Approval-Ready Arborist Reports

Every report is prepared with your municipality’s specific bylaws and submission standards in mind.

ISA-Certified, Experienced Arborists

Our arborists in Toronto & Mississauga hold ISA (International Society of Arboriculture) certification and bring years of hands-on experience.

$5 Million Liability Insurance

Every report is backed by full commercial liability insurance. When your project, permit, or legal case depends on credible documentation, that coverage matters.

Fast Turnaround

Standard arborist reports are delivered within 2–5 business days. Rush services are available for time-sensitive permits and emergency tree services.

Deep Knowledge of Local Bylaws

From Toronto to surrounding GTA cities, we understand what municipalities expect in an arborist report and tailor every report accordingly.

Clear, Practical Recommendations

We don’t just assess trees - we provide straightforward guidance you can act on, whether it’s preservation, removal, or protection during construction.

Our Work

Get Your Arborist Report Today

If you need a reliable, professional arborist report, our team is ready to help. Contact Real Tree Masters today to schedule your inspection and get a report that meets all requirements.

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Frequently Asked Questions

How much does an arborist report cost?

The cost of an arborist report depends on property size, number of trees, report type, and complexity. Standard residential reports for a single-tree removal permit typically start from a competitive base rate. Construction arborist reports with Tree Preservation Plans cost more due to the additional documentation, site plans, and TPZ specifications required. We provide clear, upfront quotes after the initial assessment — no hidden fees.

How long does it take to get an arborist report?

Most standard arborist reports are completed and delivered within 2–5 business days after the on-site assessment. Larger properties and complex construction reports may take slightly longer. Emergency turnaround is available for time-sensitive permits.

Do I need an arborist report for tree removal in Toronto?

Yes. Under the City of Toronto’s private tree bylaw, any tree with a DBH of 30 cm or more requires a permit for removal, and the permit application must include an arborist report prepared by an ISA-certified arborist. Exemptions exist for dead or imminently hazardous trees, but even those cases often require a brief arborist letter confirming the condition. Removing a protected tree without a permit can result in fines from $500 up to $100,000.

Do I need an arborist report in Mississauga?

Yes. Mississauga’s Private Tree Protection Bylaw protects trees with a DBH of 15 cm or more on private property. A report from a certified arborist in Mississauga is required before the city will issue a removal permit. If you’re planning construction near trees, a construction arborist report with preservation plans is also required.

Do you offer emergency tree services?

Yes. We provide 24/7 emergency tree services across Toronto, Mississauga, and the entire GTA. Our team responds to storm damage, fallen trees, dangerous leaners, and major limb failures. After securing the site, we prepare the arborist report documentation that your insurance company needs to process your claim.

Can an arborist report help with construction planning?

Absolutely. A construction arborist report identifies which trees can be preserved, establishes Tree Protection Zones, specifies root protection and fencing requirements, and outlines arborist supervision needs during excavation and grading. This is typically a mandatory part of your building permit submission package.

Will my arborist report guarantee permit approval?

No report can guarantee approval, but a professionally prepared, bylaw-compliant arborist report significantly increases your chances by meeting every requirement the municipality is looking for. Our reports are structured to minimize revision requests and reduce processing delays.

Do you provide arborist reports for legal or court proceedings?

Yes. Our arborists prepare reports suitable for property disputes, litigation, insurance claims, and arbitration. Reports include detailed photographic documentation, professional condition assessments, and clear findings.

Do you provide arborist reports for commercial projects?

Yes. We prepare arborist report services for commercial developments, multi-unit residential projects, and institutional properties across the GTA — including full tree inventories, construction impact analyses, and replanting compensation plans.

Arborist Report Services in Toronto & GTA

What is an Arborist Report?

Get in Touch for Professional Arborist Services