Ontario Municipal Property Tax Deferral Application: Forms, Income Limits, and Deadlines

Every Municipality Has Its Own Program

Ontario doesn't run a single provincial property tax deferral program. Section 319 of the Municipal Act, 2001 requires upper-tier and single-tier municipalities to provide property tax relief for low-income seniors and persons with disabilities — but each municipality sets its own income thresholds, interest rates, application deadlines, and forms.

This means the application process in Toronto looks nothing like Ottawa's, and a two-tier municipality like Simcoe County handles it differently again.

What You'll Need Everywhere

Despite the variations, most Ontario municipalities require the same core documents:

• Completed application form (from your municipal revenue office or website)
• CRA Notice of Assessment (or Notice of Reassessment) for every household member — this proves your income
• Proof of age (government-issued ID showing date of birth)
• Proof of ownership and occupancy (property tax bill, deed, or utility bill at the address)
• Property tax account statement showing your current tax balance

Some municipalities also require a statutory declaration or affidavit confirming your income and residency. Others accept a signed self-declaration on the application form.

Toronto: Two Programs, One Application

Toronto offers both Tax Increase Cancellation and Tax Increase Deferral through the same application process. You apply to the Revenue Services division with:

• The City's application form (downloadable from toronto.ca or available by calling 311)
• CRA Notice of Assessment for everyone in the household
• Proof of age and ownership

Income threshold: $62,000 combined household income for 2026 (adjusted annually by Toronto CPI) Assessment cap: Residential CVA must be below $975,000 for cancellation; no assessment cap for deferral Deadline: November 2 for the 2026 tax year; the date changes annually Interest on deferral: 0%

Toronto's application requires annual renewal. Approval in one year doesn't carry over. If you don't reapply, you lose the relief for the following year.

Ottawa: Separate Full and Partial Deferral Applications

Ottawa runs two deferral programs — Full Property Tax Deferral and Partial Property Tax Deferral — with different triggering conditions.

Full Deferral: Defers your entire annual property tax bill. Partial Deferral: Applies only when your tax increase exceeds 5% over the prior year and the increase is more than $100.

Both use the same application submitted to Ottawa's Revenue Services:

Income threshold: $59,397.64 combined household income (CPI-adjusted) Age: 65+ (or 60–64 receiving OAS Allowance, or 55+ receiving a registered pension) Assessment cap: $498,000 CVA for 2026 property tax deferrals and Water Utility Deferral Initial application deadline: December 31 of the tax year Renewal deadline: September 30 of the tax year Interest: 5% simple per annum on deferred taxes

Ottawa's deadlines are firm. A late initial application means no deferral for that year. A missed renewal converts the deferred balance to standard arrears at the penalty rate of 1.25% per month (15% annually).

Hamilton and Other Single-Tier Municipalities

Hamilton operates under the Municipal Act and provides senior and disability-related property tax deferrals with its own thresholds. Application forms are available from the City's Tax Office (hamilton.ca or by calling 905-546-2489).

Each single-tier municipality (London, Mississauga, Brampton, Kitchener, Windsor, etc.) administers its own program. Typical features:

• Income thresholds between $30,000 and $60,000 (some tied to GIS/OAS receipt)
• Interest rates ranging from 0% to the standard municipal penalty rate
• Annual renewal required
• Applications processed through the municipal revenue or finance department

If you live in a single-tier municipality not listed here, call your municipal tax office or search "[your city] property tax relief seniors." Section 319 requires a form of relief, but it may be a deferral, cancellation, or write-off rather than a deferral program.

Two-Tier Municipalities: County Programs

In two-tier structures (like Simcoe County, Wellington County, or Durham Region), the relief duty falls on the upper-tier county or region. But the lower-tier municipality (the town or township that sends your tax bill) typically handles intake.

This means you apply at your local municipal office, but the program rules come from the county or regional bylaw. The deferral covers both the local municipal portion and the county/regional portion of your property taxes. Education taxes deferred under these programs are treated as deferred school taxes under provincial regulation.

Ask your local tax office for the county's deferral bylaw and application form. Some counties (like Simcoe) have information on their website; others require a phone call.

Common Application Mistakes

Using last year's NOA: Most programs require the Notice of Assessment for the most recently filed tax year. If you haven't filed your 2025 taxes yet and are applying in June 2026, the municipality may accept your 2024 NOA — but confirm this, because some programs require current-year filing proof.

Including only one household member's income: Municipalities define whose income counts. Toronto includes all property owners who reside at the property, including a spouse; Ottawa may require non-spouse owners and some occupants to apply and qualify. Ask the local office whether an adult child's income counts.

Missing the renewal: Most programs require annual re-application. Approval is for one year only. Calendar the renewal deadline immediately upon approval.

What Happens After You Apply

Processing times range from 2 weeks (smaller municipalities) to 8 weeks (Toronto, Ottawa). Once approved:

• Your property tax account is adjusted — deferred amounts are removed from the current balance
• A lien is registered against your property title (for deferral programs)
• You receive confirmation showing the deferred amount, any interest rate, and the renewal deadline

The Ontario Property Tax Relief for Seniors guide includes municipality-specific application checklists and a timeline tracker for managing both provincial (CRA) and municipal filing deadlines simultaneously.

See more Ontario guides →