Arborists require a licence to operate in Oakville
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Help us process your application faster by submitting your documents in the following format:
For more information please refer to the Arborist Licensing by-law.
For questions please contact ServiceOakville by phone at 905-845-6601.
There are four licence classes that capture the nature for the work done by arborists and their respective companies.
The classes are as follows:
"Consulting Arborist" means a person or company trained and has the knowledge to assess health and structure of a tree but does not include work that requires climbing (working aloft).
"Arboriculture Company" means a company with knowledge of all aspects of arboriculture and has staff holding valid certifications in the following areas:
and may include
An arboriculture Company is able to assess health and structure of tree, conduct tree maintenance work and provide tree risk assessment, valuation or recommendation.
"Tree Company" means a company capable of removing, pruning, root pruning, bracing and propping, fertilizing, planting, stumping or transplanting a tree but not able to assess the health and structure a tree.
A Tree Company must have staff holding valid certifications in the following areas:
"Landscaping/Tree Company" means a company that undertakes or is engaged in the business of managing lawns/yards including but not limited to; installing sprinkler systems, building retaining walls, constructing patios, digging, irrigation and drainage channels, paving or sealing paved driveway surfaces, installing stone, brick or concrete landscapes, planting shrubs, laying sod/grass, erecting fences, seasonal mowing/seeding/thatching/aeration/fertilization/raking, and snow ploughing/snow removal/anti-ice application and that is capable of removing, pruning, root pruning, cabling (bracing and propping) fertilizing, planting, stumping, transplanting a tree but not able to assess the health and structure of a tree. A Landscaping/Tree Company must have staff holding valid certifications in the following areas:
*affiliate agencies may be accepted. Please contact office for more information.
For any worker that holds a college diploma in arboriculture and gains experience as an apprentice or has a combination of 6000 hours of experience can meet the requirements set under the arborist licensing by-law by successfully completing challenge exams to become certified.
Please see below for information on challenge exams from select governing associations and/or college of trades: