When do I need a tree permit?

A tree permit is required for most construction related activity that takes place on private property. This includes but is not limited to: demolition, building, interior renovations, drain tile or service repairs, oil tank removals, landscaping, irrigation installation, construction of accessory buildings, laneway and carriage homes, etc.  Even if there aren't any trees on your property you still need a No Tree Declaration as it is the first step to obtaining other development services permits. A No Tree Declaration is generally processed within 3-5 business days.

A permit is not required for pruning of a protected tree so long as pruning is carried out in accordance with sound arboricultural practice and the American National Standards Institute (ANSI) A300 and the latest edition of the companion publication “Best Management Practices – Tree Pruning”, published by the International Society of Arboriculture.

Pruning shall not include:

  1. Crown raising to the extent that the live crown ratio is less than 50%
  2. Removal of more than 25% of the crown in a single season
  3. Topping
  4. Pruning or removal of a structural root within the critical root zone of a protected tree

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