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Ottawa Property Tax & Vacant Unit Tax Deadline: What You Need to Know | March 20, 2025

March 20, 2025 is the deadline for Ottawa interim property taxes and Vacant Unit Tax declarations. Learn about penalties, how to declare, and avoid late fees.

Kelly McNamara Mar 20, 2025
6 min read
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Ottawa Property Tax & Vacant Unit Tax Deadline: What You Need to Know | March 20, 2025
Photo: Illustrative image only.

Today is the deadline—don’t miss it or face penalties starting tomorrow.

If you’re an Ottawa homeowner, March 20, 2025 is a date you cannot afford to miss. Today marks the due date for both interim property tax payments and Vacant Unit Tax (VUT) declarations. Missing either deadline comes with financial penalties that take effect immediately, so if you haven’t submitted yet, now is the time to act.


Key Highlights

TL;DR: March 20 is the deadline for Ottawa property taxes and VUT declarations. Late property tax payments incur a 1.25% monthly penalty. Late VUT declarations cost $250. Declare online through MyServiceOttawa or call 613-580-2444.

Quick FactsDetails
📅 DeadlineThursday, March 20, 2025
💰 Property Tax Late Penalty1.25% added monthly
📝 VUT Late Fee$250
📞 Help Line613-580-2444 (option 3)

What’s the Deadline About?

The City of Ottawa has set March 20, 2025 as the due date for two important obligations:

1. Interim Property Tax Payment

The interim property tax bill covers the first half of the year and is based on last year’s assessment. This payment is due today, and missing it triggers automatic penalties.

2. Vacant Unit Tax (VUT) Declaration

All residential property owners in Ottawa must declare whether their property was occupied or vacant during the previous calendar year. Even if your property was occupied, you must submit a declaration.

Ottawa City Hall property tax services Image: Illustrative image only.


What You Need to Know

Property Tax Late Penalties:

If you miss today’s deadline for your interim property tax payment:

  • 1.25% penalty added on March 21 (the day after the deadline)
  • Additional 1.25% added on the first day of each following month
  • Penalties compound on the outstanding balance

Vacant Unit Tax Late Penalties:

For VUT declarations submitted after March 20:

  • $250 late fee added to your final tax bill
  • Late declarations accepted until April 30, 2025
  • Properties without declarations may be deemed vacant and charged the VUT automatically

Understanding the Vacant Unit Tax

What is the VUT?

The Vacant Unit Tax is designed to encourage property owners to make housing available in Ottawa’s competitive rental and real estate market. A unit is considered vacant if it:

  • Was not used as a principal residence, AND
  • Was unoccupied for more than 184 days in the previous calendar year

VUT Rates:

Year VacantTax Rate
1st Year1% of assessed value
2nd Consecutive Year2% of assessed value
3rd Consecutive Year3% of assessed value
4th Consecutive Year4% of assessed value
5th+ Consecutive Years5% of assessed value (maximum)

The graduated rate system means repeat vacancies become increasingly expensive.

Ottawa residential property in winter Image: Illustrative image only.


How to Declare & Pay

For Property Tax Payment:

You can pay your property taxes through:

  • Online banking – Add City of Ottawa as a payee using your roll number
  • Pre-authorized payment plan – Set up automatic withdrawals
  • In-person – At your financial institution
  • By mail – Send cheque to the address on your bill

For VUT Declaration:

Complete your Vacant Unit Tax declaration:

  • Online: Through MyServiceOttawa from your property tax account
  • By Phone: Call 613-580-2444 (press option 3) for assistance
  • Accessible Options: Alternative formats available upon request

Required Information:

  • Property roll number (found on your tax bill)
  • Confirmation of occupancy status for 2024
  • Principal residence details

Why This Matters to Ottawa Residents

Housing affordability and availability remain critical issues in Ottawa. The Vacant Unit Tax is one tool the city uses to encourage property owners to either occupy or rent out their residential properties rather than leaving them empty.

For homeowners, staying on top of these deadlines is simply good financial management. The 1.25% monthly penalty on property taxes may seem small, but it compounds quickly. And the $250 VUT late fee is an unnecessary expense that’s easily avoided with a few minutes of online work.


New for 2025: Late Appeal Option

The City has introduced a new late appeal option for 2025. If you believe your property’s vacant status was determined incorrectly, you can:

  • Contest the status up to 15 months after the initial deadline
  • Pay a $500 administrative fee per assessed property
  • Provide supporting documentation for your appeal

This gives property owners more flexibility to correct errors, though the fee makes it important to get the initial declaration right.


Frequently Asked Questions

Q: What if my property was occupied but I forgot to declare? A: You can still submit a late declaration until April 30, but you’ll face a $250 late fee. Without a declaration, your property may be automatically deemed vacant.

Q: I rent out my property—do I still need to declare? A: Yes. All residential property owners must declare, even if the property was occupied by tenants. Simply indicate that the property was occupied.

Q: How do I know if my property qualifies for an exemption? A: Common exemptions include properties undergoing major renovations, recently transferred properties, or properties of deceased owners. Check the City of Ottawa website for the full list.

Q: Can I set up a payment plan for my property taxes? A: Yes. Contact the City of Ottawa’s Revenue Services at 613-580-2444 to discuss payment arrangements if you’re facing financial hardship.

Q: What happens if I don’t pay at all? A: Unpaid property taxes can eventually lead to a tax sale of your property. The City has legal mechanisms to recover outstanding amounts.


Final Thoughts

If you’re reading this on March 20, 2025, you still have time—but don’t delay. Both the interim property tax payment and the Vacant Unit Tax declaration are due today. Missing these deadlines means automatic penalties starting tomorrow.

The good news is that both can be completed quickly online. Log into MyServiceOttawa, make your property tax payment through your bank, and submit your VUT declaration. A few minutes of effort today can save you from unnecessary fees and complications down the road.

Source: City of Ottawa, Ottawa Life Magazine – Summarized and adapted for Via Ottawa readers.


For more Ottawa local news and important deadlines, visit Ottawa Local News or explore our other categories!

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Kelly McNamara

Staff Writer

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