Owen Sound Property Tax: Rates, Due Dates, and Late Penalties

Your Owen Sound property tax bill is your MPAC-assessed value multiplied by a combined rate that layers the city portion, the Grey County levy, and the provincial education rate. For 2025, the combined residential rate came out to roughly 1.972 percent of assessed value.¹ The city bills twice a year across four due dates, and any balance still outstanding after a due date attracts a 1.25 percent penalty on the first of each month.²

How the Bill Is Built

The Municipal Property Assessment Corporation assesses and classifies every property inside Owen Sound’s city limits and sends you a notice showing the assessed value it will use.³ That number then meets three separate rates on your bill: the city rate for Owen Sound’s own operations, the Grey County rate for regional services, and the education rate set by the province. They appear as one total, but each layer moves independently, which is why your bill can shift year to year even when your assessment doesn’t.

2025 Residential Rate Breakdown

The 2025 residential rates were:¹

City portion: 1.430274 percent
Grey County levy: 0.389070 percent
Education rate: 0.153000 percent
Combined residential total: approximately 1.972 percent

Multi-residential, commercial, and industrial properties are charged at different rates tied to their classification. Updated 2026 rates are posted on the city’s property tax page after council finalizes the budget.⁴

Due Dates for 2026

Owen Sound splits the year into an interim billing and a final billing, each with two installment dates. For 2026:⁴

Interim: Friday, February 27, 2026 and Thursday, April 30, 2026
Final: Tuesday, June 30, 2026 and Tuesday, September 29, 2026

The interim bill is 50 percent of the prior year’s tax rate applied to the prior year’s annualized assessment. The final bill applies the new city, county, and education rates for the current year and subtracts what you paid on the interim. Hold onto the final bill for your income tax records; the tax department can reprint one if you lose it.

Ways to Pay

Most payment methods rely on the 19-digit property tax roll number shown on your bill. If you pay through online or telephone banking, add the City of Owen Sound as a payee under local property taxes and enter the roll number as instructed on the bill.²

You can also mail a cheque with the detachable bill stub to the City of Owen Sound Tax Department, 808 2nd Avenue East, Owen Sound, ON N4K 2H4, or drop a sealed envelope marked “tax billing” in the after-hours box at City Hall’s front door. Cash is not accepted in the drop box.²

Credit card payments go through Paymentus in the city’s Virtual City Hall portal. Visa, Mastercard, and American Express are all accepted, but a 2.5 percent processing fee applies to each transaction, capped at $20,000 per transaction (you can run multiple payments for bigger bills).² On a $5,000 bill that fee adds $125, so this route usually only pays off if your card rewards clear the cost.

For automatic withdrawals, Owen Sound offers two pre-authorized debit plans: a 12-month budget plan that draws on the 15th of each month, or an installment plan spread across the four due dates. Your tax account has to be free of arrears to enroll.⁵ Sign up online, or submit the paper agreement with a void cheque by mail, fax at 519-371-0511, or email to tax@owensound.ca.⁶

What Happens If You Pay Late

Payment has to reach City Hall by the due date. A 1.25 percent late charge is calculated on any outstanding balance and added to your account on the first of each month.² On a $3,000 balance, that’s another $37.50 after just one month, and the penalty applies to the growing total each month you stay behind.

Long-term arrears carry a much heavier consequence. Once taxes remain unpaid for the two years prior to January 1 of any year, the city can register a tax arrears certificate against the property title. You then have one year to pay the full cancellation price, which covers all outstanding taxes, penalties, interest, and administrative costs. Miss that window and the city can advertise the property for public sale, at which point the taxes are at least in their third year of arrears.⁷ Small arrears are worth clearing early for exactly this reason.

If You Think Your Assessment Is Wrong

The starting point is a Request for Reconsideration filed directly with MPAC, which asks the corporation to re-examine your assessed value based on the reasons you provide, such as errors in recorded property features or comparable sales pointing to a different value.⁸ The deadline for the 2026 tax year is March 31, 2026.⁹ Your submission has to include the basis for your disagreement and the facts supporting it.¹⁰

If MPAC’s decision doesn’t resolve the issue, you can appeal to the Assessment Review Board, an independent tribunal.¹¹ For residential, farm, or managed-forest properties, you have to receive an RfR decision before filing with the ARB.¹² The filing fee is $132.50 per roll number for residential and $318.00 for commercial or industrial, with a $10 discount for filing electronically.¹³

Relief for Registered Charities

Owen Sound runs a rebate program for registered charities and similar organizations occupying commercial or industrial property. To qualify, the charity must hold a registration number from the Canada Revenue Agency as defined under the federal Income Tax Act. Current legislation requires council to rebate at least 40 percent of taxes payable by an eligible charity; organizations deemed similar to a charity may receive anywhere from 0 to 100 percent at council’s discretion.¹⁴

Applications are only accepted between January 1 and February 28 of the year after the tax year in question.¹⁴ Owen Sound does not publish a general residential rebate or seniors’ program on its property tax relief page, so most homeowners won’t have a rebate route beyond the assessment dispute process above.

When You Sell, Move, or Change Address

A few small things catch people out around a sale. Online banking payees don’t update themselves: remove the old roll number and add the new one. Pre-authorized debit plans don’t transfer between properties, so cancel the plan on the property you sold and enroll again on the new one. If a tax bill for a property you sold shows up at your address, forward it to your lawyer, who will pass it to the current owner.¹⁵

For any mailing address change, download the Mailing Address Change form from the city’s tax forms page and send it to the tax department at 519-376-1440 ext. 1249 or tax@owensound.ca.⁴ Not receiving a bill because your address is out of date does not excuse the 1.25 percent monthly penalty on a late balance.¹⁵

1
City of Owen Sound. City of Owen Sound 2025 Tax Rates
2
City of Owen Sound. Paying Your Taxes
3
City of Owen Sound. Property Assessment and Appeals
4
City of Owen Sound. Property Taxes
5
City of Owen Sound. Pre-Authorized Debit Plan Agreement – Property Tax
6
City of Owen Sound. Pre-Authorized Debit Plan (PAD Plan)
7
City of Owen Sound. Tax Sales
8
Municipal Property Assessment Corporation. File a Request for Reconsideration for a Residential Property
9
Municipal Property Assessment Corporation. Notices and Notifications
10
Municipal Property Assessment Corporation. 2026 Request for Reconsideration
11
Tribunals Ontario. Assessment Review Board
12
Tribunals Ontario. Filing an Appeal – Assessment Review Board
13
Tribunals Ontario. ARB Fee Chart
14
City of Owen Sound. Property Tax Relief Programs
15
City of Owen Sound. Property Tax and Water Billing Questions and Answers for Buying and Selling Your Home