The Vacant Unit Tax declaration portal is now open on ottawa.ca. If you’re a property owner, remember to take a few minutes to complete your declaration ahead of the deadline. A reminder that declarations are required annually.

Email reminders, using previous year declaration contact information, and paper notices are scheduled to be distributed to property owners. The declaration deadline is March 19, 2026.

Besides the online tool, declarations can also be completed using alternative methods including:

  • By phone at 613-580-2444, option 3
  • By Canada Video Relay Service at 613-580-2400
  • In person at any Client Service Centre

The Vacant Unit Tax is encourages homeowners to maintain, occupy or rent their properties, thereby increasing the housing supply.  It’s one of the tools the City of Ottawa is using to address the affordable housing crisis, and revenue from this tax is used to support affordable housing initiatives.