City authorization for tree felling on private property is required in all cases, except if the tree is not more than 10 cm (4 in.) in diameter, when measured at a height of 1,5 m (5 ft.) from the ground.
In order to protect Westmount’s tree canopy, tree cutting is only authorized in the following circumstances, and after the issuance of a certificate of authorization for tree cutting:
- based on an arboriculturist’s report, the tree is dead or in a state or irreversible blight, with more than 50% of the crown consisting of dead wood;
- the tree is within the building site of a projected construction (structure or retaining wall) or within 3 meters of the building site of a projected construction (structure or retaining wall) – Please note that a building permit or landscape certificate is a pre-requisite in this context;
- the tree is located within the building site of a swimming pool or, in the case of the front yard, within the building site of accessory parking or means of access to a building, but only if no other area is available elsewhere on the parcel of land for such construction – Please note that a building permit or landscaping certificate is a pre-requisite in this context;
- based on an arboriculturist’s report, the tree is likely to spread a disease or is an exotic invasive species and accordingly, must be replaced;
- based on an arboriculturalist’s report, if the tree represents a dangerous condition due to an irreversible situation resulting from a disease or structural deficiency affencting its solidity;
- If the tree causes serious damage to a property – Please note that the City may require a report signed by an engineer.
Required documents for review:
Mandatory documents are marked by an asterisk (*)
- *A letter from the building owner authorizing the certificate application, if request is made by a third party;
- *A letter from the association of co-owners authorizing the proposed modifications, if applicable;
- *A copy of a certificate of location indicating the location of the tree to be removed;
- *A clear and colour photograph of the tree to be removed;
- *An arboriculturist’s report, written and signed by an arborist (certification or diploma) or a landscape architect (AAPQ);
- A report signed by an engineer, if applicable;
- A plan indicating the proposed replacement program (by an arborist or landscape architect), if applicable;
- A tree protection method for the surrounding trees, if applicable;
- A site plan showing existing and proposed landscaping, if applicable;
- *An official cost estimate, excluding taxes, provided by a Professional to intervene on said tree(s).
This list is a summary. Please note that additional documents or information may be required in order to provide a better understanding of the project and contribute to the request process. (By-Law #1300, article 65, point 14o)
- *The fee for the document analysis is 55$; the cost of the certificate is separate.
- The cost of the certificate is $107 per tree.
- The applicant will receive a follow-up via email.
- Your permit will be issued at City hall or sent by email.
Information you need to bring:
- A detailed construction cost, excluding taxes as provided by the general contractor or a project manager (tariffs By-law).
- All other documentation requested that needs to be deposited prior to the issuance of a permit (ex. RBQ form, a site management document, asbestos report, sidewalk deposit, …).