Ajax property tax
Answer
The 2026 residential property tax rate in Ajax is 1.388664%, up 4.0% from 2025. On a home assessed at $500,000 that is about $6,943 a year.
- Total residential rate, 2026
- 1.3887%
- 1.388664%
- Change from 2025
- +4.0%
- Change in the total rate
- Rank in Ontario
- 37 of 60
- Highest total rate = 1, among cities we cover
- Tax on $500,000
- $6,943
- Example value, before credits
Ajax property tax calculator
Estimate, 2026 residential rates
Where your Ajax property tax goes
2026 residential rate by component
| Component | Type | Rate (%) | % of value | Share of total | On $500,000 | Source |
|---|---|---|---|---|---|---|
| Town of Ajax | Municipal | 0.454904 | 0.4549% | 32.8% | $2,275 | 2 |
| Region of Durham - General | Upper-tier (region or county) | 0.384821 | 0.3848% | 27.7% | $1,924 | 2 |
| Region of Durham - Waste | Upper-tier (region or county) | 0.051225 | 0.0512% | 3.7% | $256 | 2 |
| Region of Durham - Transit | Transit | 0.086311 | 0.0863% | 6.2% | $432 | 2 |
| Region of Durham - Police | Upper-tier (region or county) | 0.258403 | 0.2584% | 18.6% | $1,292 | 2 |
| Education (Province of Ontario) | Education | 0.153 | 0.1530% | 11.0% | $765 | 2 |
| Total (as published) | 1.388664 | 1.3887% | 100% | $6,943 |
Residential (RT) row of 'Town of Ajax 2026 Tax Rates': Town 0.454904%, Region General 0.384821%, Waste 0.051225%, Transit 0.086311%, Police 0.258403%, Region Total 0.780760%, Education 0.153000%, Total 1.388664%.
Rates as published for the residential class. Bills can also include fixed charges, local improvement levies and utility fees that are not based on assessed value.
Ajax property tax rate history
2022–2026
- 2022
- 2023
- 2024
- 2025
- 2026
| Year | Total rate | % of value | Change |
|---|---|---|---|
| 2022 | 1.116443% | 1.1164% | — |
| 2023 | 1.183215% | 1.1832% | +6.0% |
| 2024 | 1.261817% | 1.2618% | +6.6% |
| 2025 | 1.335694% | 1.3357% | +5.9% |
| 2026 | 1.388664% | 1.3887% | +4.0% |
| Component | 2022 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|---|
| Town of Ajax | 0.351158 | 0.384696 | 0.41389 | 0.437825 | 0.454904 |
| Region of Durham - General | 0.515576 | 0.531239 | 0.569833 | 0.378718 | 0.384821 |
| Region of Durham - Waste | 0.04234 | 0.052026 | 0.05425 | 0.050561 | 0.051225 |
| Region of Durham - Transit | 0.054369 | 0.062254 | 0.070844 | 0.081134 | 0.086311 |
| Education (Province of Ontario) | 0.153 | 0.153 | 0.153 | 0.153 | 0.153 |
| Region of Durham - Police | — | — | — | 0.234456 | 0.258403 |
Ajax compared with other Ontario cities
Compare two citiesAjax's total residential rate of 1.3887% is below the 1.4606% average of the 60 Ontario municipalities we cover. A lower rate does not always mean a lower bill: tax = assessed value × rate, so cities with high home values often have lower rates.
| Municipality | Latest year | Total rate (% of value) | Tax on $500,000 |
|---|---|---|---|
| Ajax | 2026 | 1.3887% | $6,943 |
| Waterloo | 2026 | 1.4323% | $7,161 |
| Kingston | 2026 | 1.6054% | $8,027 |
| Milton | 2026 | 0.8651% | $4,326 |
| St. Catharines | 2026 | 1.8422% | $9,211 |
| Cambridge | 2026 | 1.5122% | $7,561 |
| Whitby | 2026 | 1.3825% | $6,912 |
Rates are the residential rates in each city's latest confirmed year. All Ontario municipalities · National rankings
When Ajax property tax is due and how to look up your bill
2026 due dates
- February 27, 2026
- April 24, 2026
- June 26, 2026
- September 25, 2026
Four instalments. 2026 Interim Tax Bill (based on 50% of the previous year's annualized taxes; mailed late January) due February 27, 2026 and April 24, 2026. 2026 Final Tax Bill (mailed late May) due June 26, 2026 and September 25, 2026. Supplementary bills are payable in two instalments.
Late payment: A penalty charge of 1.25 percent is added on the first business day of each month until payment is received; penalty is legislated by the Municipal Act, 2001 and cannot be waived.
Look up or pay your bill
Register for the Town's Property Tax Portal with your roll number, access code and full name exactly as on your tax bill, plus an email address; it shows balances, past payments, upcoming instalments and billing schedules.
Ajax official property tax page
Online/telephone banking (15-digit roll number; payee names such as 'AJAX TAXES'); pre-authorized payment plan (monthly or four times per year; application form plus void cheque); mail to Town of Ajax Tax Department, 65 Harwood Ave S, Ajax ON L1S 2H9 (current or post-dated cheques); credit card, debit or Interac e-Transfer online through PaySimply (convenience fee; allow at least 3 business days; no credit card payments in person or by phone); in person at Town Hall (debit, cash up to $5,000, cheque); 24-hour drop box at Town Hall (cheques only); at banks; through a mortgage company.
From Ajax's official property tax pages (sources 1, 5). Check your bill for the exact amounts and dates.
Your assessment in Ajax
How assessment works in OntarioAssessed by: MPAC (Municipal Property Assessment Corporation). Valuation date used for 2026 taxes: January 1, 2016.
File a Request for Reconsideration (RfR) with MPAC; for the 2026 property tax year the RfR deadline is March 31 (or the date on your Property Assessment Notice). After the RfR decision you have 90 days to appeal to the Assessment Review Board. MPAC states 2026 assessments continue to be based on fully phased-in January 1, 2016 current values.
Rebates, credits and programs in Ajax
All Ontario programsThese programs are run by the city or the province. Eligibility is decided by the organization that runs each one; follow the links for the official rules.
Property tax rebate program for low-income seniors and persons with disabilities / Regional reassessment deferral program
Eligible low-income homeowners aged 65+ receiving the Guaranteed Income Supplement, or low-income persons with a disability eligible for ODSP, may defer annual reassessment-related tax increases in excess of five per cent or $100 on their personal residence. Contact the Town for the application. Run by Region of Durham (administered by the Town of Ajax as local area municipality).
Ontario Energy and Property Tax Credit (OEPTC)
A tax-free Ontario payment that helps residents with property tax and the sales tax on energy costs. For the 2026 benefit year the maximum is $1,307, or $1,488 for seniors, paid through the Ontario Trillium Benefit.
Northern Ontario Energy Credit (NOEC)
A tax-free payment for residents of 10 Northern Ontario districts to help with higher home energy costs. For the 2026 benefit year the maximum is $189 for a single person and $290 for families, paid through the Ontario Trillium Benefit.
Ontario Senior Homeowners' Property Tax Grant (OSHPTG)
An annual Ontario grant of up to $500 for low- to moderate-income homeowners aged 64 or older who paid Ontario property tax on their principal residence. It is claimed on Form ON-BEN with the income tax return and paid by the Canada Revenue Agency.
Other property taxes in Ajax
Stormwater management fee in force 2026
Shown on the Final Tax Bill under 'Special Charges/Credits'; residential properties pay an annual flat rate per residential unit. Amount NOT VERIFIED (not stated on the property tax page).
Ajax property tax FAQ
What is the property tax rate in Ajax?
The total residential property tax rate in Ajax for 2026 is 1.388664%, which is 1.3887% of assessed value. It is made up of Town of Ajax (0.454904%), Region of Durham - General (0.384821%), Region of Durham - Waste (0.051225%), Region of Durham - Transit (0.086311%), Region of Durham - Police (0.258403%), Education (Province of Ontario) (0.153%).
How much property tax would I pay on a $500,000 home in Ajax?
At the 2026 residential rate, a property assessed at $500,000 would pay about $6,943 a year before any grants, credits, fixed charges or local improvement levies. Your actual bill uses your own assessed value.
When are Ajax property taxes due in 2026?
Interim instalments were due February 27 and April 24, 2026; final instalments are due June 26 and September 25, 2026.
What is the 2026 residential property tax rate in Ajax?
1.388664% in total: Town of Ajax 0.454904%, Region of Durham 0.780760% (general 0.384821%, waste 0.051225%, transit 0.086311%, police 0.258403%) and education 0.153000%.
What is the penalty for late payment in Ajax?
A penalty charge of 1.25 percent is added on the first business day of each month until the Town receives payment.
How do I see my Ajax tax account online?
Register for the Town's Property Tax Portal using the roll number, access code and owner name exactly as printed on your tax bill.
Sources
Verified by a second check against these sources on October 28, 2026
- Property Tax Services (Property Taxes & Online Payments), Town of AjaxTax year 2026 · checked October 28, 2026 · copy archived
- Town of Ajax 2026 Tax Rates, Town of AjaxTax year 2026 · checked October 28, 2026 · copy archived
- Town of Ajax 2025 Tax Rates - Final, Town of AjaxTax year 2025 · checked October 28, 2026 · copy archived
- Town of Ajax 2024 Final Tax Rates, Town of AjaxTax year 2024 · checked October 28, 2026 · copy archived
- Property Tax Portal, Town of AjaxTax year 2026 · checked October 28, 2026 · copy archived
- Property Taxes (Regional Municipality of Durham), Regional Municipality of DurhamTax year 2026 · checked October 28, 2026 · copy archived
- Ontario Financial Information Return, Schedule 22, 2022-2024 (Ajax T), Ontario Ministry of Municipal Affairs and HousingTax year 2023 · checked October 28, 2026 · copy archived
- Property Assessment Notice (Notices and Notifications), Municipal Property Assessment Corporation (MPAC)Tax year 2026 · checked October 28, 2026 · copy archived
- How to file a Request for Reconsideration (RfR), Municipal Property Assessment Corporation (MPAC)Tax year 2026 · checked October 28, 2026 · copy archived
Every figure on this page comes from the official sources above and was checked twice. Not affiliated with any government, municipality or assessment authority. Spotted an error? Report it.