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Urban Planning and Infrastructure
- Roads and Public Works
-
Construction and Renovation
- General Information
- Demolition
- Driveway, Walkway and Parking Area
- Exterior Work
- Fence and Hedge
- Geothermal Systems
- Interior Renovations
- Landscaping
- Landscaping and pool
- Licence for Landscapers and Snow Removal Contractors
- Mechanical Equipment
- New Buildings and Extensions
- Occupancy Certificate: Use of a new building, change of use, commercial premises and café-terrace
- Plumbing
- Retaining Wall
- Rock Excavation and Blasting
- Roof
- Signs
- Solar Panel
- Tree Felling
- Windows and Doors
- Urban Planning
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Property Taxes 2026: Second instalment
In summary
-
June 9, 2026
The deadline for the second instalment is Tuesday, June 9, 2026.
The deadline for the third instalment is Wednesday, September 9, 2026.
You can view your property tax account on the VOILÀ! online portal.
Payment Methods:
- Through your financial institution, online, by phone, or in-branch;
- By mail, sending a cheque to: Ville de Westmount (TAXES), P.O. Box 334, Westmount, QC, H3Z 2T5;
- In person at 4333 Sherbrooke Street West by cheque, debit, or cash (cheques can also be dropped in the envelope slot at the entrance);
- By credit card or bank transfer via the ACCEO platform only (ACCEO Solutions service fees apply).
Penalties
An annual interest rate of 9% will be charged on the unpaid balance. In addition, a 0.5% monthly penalty on the outstanding principal will apply, up to a maximum of 5%, in addition to interest charges.
For more details, please refer to the Taxation and Assessment section.
