How to Find Municipal Tax Sale Properties in Ontario

The short answer

There is no central list of Ontario tax sale properties — and the search is not a database query but a watch. Every sale is advertised once in The Ontario Gazette and for four weeks in a local newspaper, and most municipalities post their own tender pages. The properties on those lists are not fresh defaults: by the time a property is advertised, its taxes have been unpaid for years, a tax arrears certificate has sat on title for a year, and the owner has had every chance to pay. The rest of this guide is the clock that produces those listings, the channels that carry them, and the tender mechanics that decide who actually buys.

The clock that produces a tax sale

The process runs under Part XI of Ontario's Municipal Act, 2001, and it is deliberately slow. First, property taxes must go unpaid for two years — the Township of Southgate puts it plainly on its tax sale page, and Owen Sound's tax sales page says the same: a tax arrears certificate is registered only once taxes are two years in arrears. Registration is the turning point. From that day, the owner has one year to pay the cancellation price: all unpaid taxes plus penalties, interest, and the municipality's reasonable costs. Once a certificate is registered, partial payments stop being accepted — it is the full cancellation price or nothing.

Two milestones sit inside that year. If the cancellation price is still unpaid 280 days after registration, the treasurer must send a final notice within the next 30 days to everyone entitled to receive one, warning that the land will be advertised for public sale unless the cancellation price is paid before the one-year period ends. And a municipality may agree to an extension agreement with the owner during that year, which pauses the sale while the owner pays on terms. If no extension is in place and the cancellation price is still unpaid when the year expires, the land goes to public sale — by public auction or public tender, as the treasurer decides. Add it up and a property advertised this month has been in arrears for at least three years.

Where the sales actually appear

Start with the two channels the Act itself requires. The treasurer must advertise the land once in The Ontario Gazette — the province's official publication, where individual sale notices appear as "Sale of Land for Tax Arrears by Public Tender" entries — and once a week for four consecutive weeks in a newspaper with circulation in the municipality. The Gazette is searchable, and a weekly check of it is the closest thing to a province-wide watchlist that exists.

Then add the channel that matters most in practice: the municipality's own website. Municipalities that run tax sales typically post a tax sale or public tender page listing the property address, tax roll number, assessed value, minimum bid, tender closing date, and the information sheet or tender package. Port Hope, Hamilton, Bancroft, and dozens of smaller townships all run pages like this — and just as usefully, they show when a sale was cancelled, which happens regularly. If you only care about one region, watching those few municipal pages beats watching the whole province.

Treat private aggregators the way you would treat any lead-generation site: as a supplement, never as the search. OntarioTaxSales.ca and similar sites collect advertised sales and present them with maps and package links, but their lists are partial, their business is selling you packages and memberships, and a sale that matters to you can appear on a municipal page without ever reaching them.

The tender itself

A tax sale tender is a formal, unforgiving document. Under the Municipal Tax Sales Rules (Ontario Regulation 181/03), you submit a sealed envelope addressed to the municipal treasurer, containing the prescribed tender form and a deposit of at least 20% of your tendered amount — by money order, bank draft, or certified cheque made out to the municipality. Cash is not accepted and will get your tender rejected, as will a late arrival or a bid below the advertised minimum. The tender package, usually available from the municipal office for a small fee, carries the parcel description, the roll number, and the minimum bid; read it before you price anything, because the assessed value printed in it may or may not reflect what the property is worth.

If you are the highest bidder, the clock gets short. From the day the treasurer notifies you, you have 14 days to complete: pay the balance of your tender plus accumulated taxes and any land transfer tax and HST that apply. The treasurer then prepares and registers a tax deed in your name. Miss the 14 days and you can lose both the sale and the deposit — which is why financing and a lawyer need to be arranged before you tender, not after you win. Two edge rules to check before tendering at all: transfers of small residential properties to non-residents of Canada can attract Ontario's Non-Resident Speculation Tax, and the federal ban on purchases of residential property by non-Canadians applies to some buyers — both appear as standing warnings on municipal tender notices.

The checks that matter before you tender

Condition first, with a hard limit. You cannot enter a property advertised for tax sale — Port Hope's tax sales page says so directly, because the municipality does not own the property and the owner may still live there. What you can do is everything that does not require entry: a lawyer's title search through the Ontario Land Registry, a zoning and official-plan check with the municipality's planning department, and a look at the property from the road. The municipality will not give you a survey, will not warrant the parcel's size or condition, and will not promise vacant possession. Price the risk you cannot inspect, and do not assume a low minimum bid means a bargain — the minimum reflects unpaid taxes, not value.

Title second, through a real estate lawyer, not a public search. The search needs to confirm what the tax deed will actually deliver and what charges or claims may survive the sale, and to confirm the municipality followed the statutory steps — because a defective process is the owner's route to challenging it. For a property with buildings, add the practical checks a title search cannot answer: water and hydro status, work orders, and building restrictions, all of which the Marmora and Lake tender notice lists as the tenderer's own inquiries. Skip these and a cheap parcel can carry expensive problems.

The risk nobody prices: cancellation

The sharpest difference between a tax sale and an ordinary purchase is that the seller's side can still stop it — and does, often. Before the one-year period expires, any person can pay the full cancellation price and have the certificate cancelled. After advertising, the sale is still not locked in: Port Hope and Southgate both state that the treasurer can cancel a tax sale at any time before a tax deed or notice of vesting is registered, even after tenders have closed, Marmora and Lake reserves the right to withdraw a property at any time before the tax deed is registered, and Owen Sound states that the owner can pay the cancellation price at any time up to the point the property is transferred to the successful tenderer or vested in the municipality. Municipal tender pages show cancelled sales as a matter of routine: Southgate's own results table lists cancelled sales alongside completed ones, and Hamilton's current tender list marks parcel after parcel CANCELLED. A tender you prepared for weeks can become worthless the day before closing, through no fault of yours. Keep your spending staged, keep your expectations honest, and treat an advertised tax sale as probable, never certain, until the tax deed is registered in your name.

After the tender opening: the second bidder, and if nobody completes

Only the two highest valid tenders survive the opening. Every other tender is rejected and returned with its deposit and a statement of the reason. A tender with a condition not provided for in the rules, a bid below the advertised minimum, or a deposit that does not comply with the rules is rejected.

If you are the higher of the two remaining tenderers, the treasurer notifies you by ordinary mail sent to the address shown in your tender. The 14-day clock runs from the mailing of that notice, not from the day you read it: within 14 days of mailing, you must pay the balance of your tender plus any applicable taxes, such as land transfer tax, and any accumulated taxes, in cash, to the treasurer — and under the Rules, a payment required in cash can be made by cash, money order, bank draft, or certified cheque. If you do not pay in time, your deposit is immediately forfeited to the municipality and the parcel is offered to the lower tenderer on the same terms — 14 days from the mailing of the notice to that tenderer. If the lower tenderer also does not pay, there is no successful purchaser, that deposit is also forfeited, and the treasurer may register a notice of vesting in the municipality's name instead.

What a successful purchaser actually receives is a tax deed, and its effect is narrower than "clear title" in the ordinary sense. Registration of the tax deed vests an estate in fee simple in the land, free from most estates and interests under section 379 of the Municipal Act — except easements and restrictive covenants that run with the land, estates and interests of the Crown in right of Canada or in right of Ontario (other than an Ontario Crown interest acquired by escheat or forfeiture), and any interest or title acquired by adverse possession by abutting landowners before registration. That is why the title search matters: it is checking what survives, not just whether the municipality followed the steps.

Sources

• Ontario, Municipal Act, 2001, Part XI (e-Laws) — section 371 defines the cancellation price (all tax arrears owing at any time, plus all current taxes, interest and penalties, and all reasonable costs incurred after the treasurer becomes entitled to register a tax arrears certificate); section 373 covers registration of the certificate and its one-year warning; section 375 lets any person cancel the certificate by paying the cancellation price before the one-year period expires; section 378 covers extension agreements; section 379 sets the final notice (sent within 30 days after the price has been unpaid for 280 days), the advertising (once in The Ontario Gazette and once a week for four weeks in a newspaper), the tax deed and notice of vesting, the fee-simple effect of a tax deed in subsection (7) with its three exceptions, the rule in subsection (10) that a tax deed imposes no obligation to provide vacant possession, and subsection (14): the treasurer is not under any duty to obtain the highest or best price for the land.
• Ontario, Municipal Tax Sales Rules, O. Reg. 181/03 (current consolidation) — section 5: the advertisement runs once in The Ontario Gazette and once a week for four weeks in a newspaper, and the minimum tender amount is the cancellation price as of the first day of advertising; section 6: a tender is in Form 7, in a sealed envelope addressed to the treasurer, with a deposit of at least 20 per cent by money order, bank draft, or certified cheque; section 9: tenders below the minimum, non-complying tenders, tenders with extra conditions, and withdrawn tenders are rejected, all but the two highest are rejected, and rejected tenders are returned with the deposit and a statement of the reason; sections 11 and 12: the higher tenderer is notified by ordinary mail and has 14 days from mailing to pay the balance, any taxes that may be applicable such as land transfer tax, and the accumulated taxes, failing which the deposit is forfeited and the parcel is offered to the lower tenderer on the same terms, and if the lower tenderer also fails there is no successful purchaser and the treasurer may register a notice of vesting; section 22 covers postponement and section 22.1 the return of tenders when a sale is postponed or cancelled; section 25: a payment required in cash may be made by cash, money order, bank draft, or certified cheque. This guide previously cited the regulation's 2006 historical version; the current consolidation governs.
• Ontario Gazette, Sale of Land for Tax Arrears by Public Tender, Volume 159, Issue 45 (November 7, 2026) — what a Gazette sale notice looks like in practice (Nipigon, Markstay-Warren, and Windsor in this issue): the roll number, assessed value, and minimum tender amount for each parcel; the standing warnings that a non-Canadian is prohibited from purchasing residential property under the federal Prohibition on the Purchase of Residential Property by Non-Canadians Act and that transfers of properties with at least one and not more than six single family residences to non-residents or foreign entities are subject to Ontario's Non-Resident Speculation Tax; the statement that the successful purchaser pays the amount tendered plus accumulated taxes and any applicable taxes such as land transfer tax and HST; and the note that the municipality has no obligation to provide vacant possession.
• City of Hamilton, Sale of Properties for Tax Arrears — if property taxes are two calendar years in arrears, the City can register a lien or tax arrears certificate; the owner then has one year from registration to pay in full, pay enough to cancel the lien, or file an extension agreement, after which the City can put the property up for sale; the current tender list shows the municipal tender page format (roll number, PIN, assessed value, minimum tender amount) and marks many parcels CANCELLED; tenders need a deposit of at least 20 per cent by certified cheque, bank draft, or money order; the municipality makes no representation on title, environmental concerns, zoning compliance, access, or work orders, existing federal or provincial liens may remain the purchaser's responsibility, and there is no obligation to provide vacant possession; and the information bulletin states the rule directly: the minimum bid is the cancellation price.
• Township of Southgate, Property Tax Sales and Arrears — if property taxes are two calendar years in arrears, the Township can register a tax arrears certificate, and properties become eligible for tax sale once they are three years in arrears; once a certificate is registered, partial payments cannot be accepted; the results tables list cancelled sales alongside completed ones; the deposit is at least 20 per cent by money order, bank draft, or certified cheque (no cash); the treasurer rejects all but the two highest tenders; and a tax sale can be cancelled by the treasurer at any time before a tax deed or notice of vesting is registered on title.
• City of Owen Sound, Tax Sales — a tax arrears certificate is registered if property taxes are not paid for two years prior to January 1 of any year, and by the time a property is eligible for tax sale its taxes are at least in their third year of arrears; once a certificate is registered, partial payments cannot be accepted, though an extension agreement may be authorized before the year expires; the owner can pay the cancellation price at any time up to the point the property is transferred to the successful tenderer or vested in the municipality; the City is only interested in recovering unpaid taxes and is not obligated to obtain fair market value; and the successful tenderer is also responsible for land transfer taxes, registration fees, and HST if applicable. One sentence on this page describes the advertised minimum as including land transfer tax if applicable; the Act's cancellation-price definition and the Rules govern — land transfer tax is paid by the successful purchaser on top of the tender amount, not as part of the minimum.
• Municipality of Port Hope, Tax Sales — the municipality can sell properties with two years of unpaid taxes and the process takes about a year; entering a property advertised for tax sale is trespassing, because the municipality does not own it and the owner may still live there; tenderers are encouraged to run their own title search and check the zoning maps and by-law; the tender package costs $25 plus HST; the deposit is at least 20 per cent and cash is not accepted; the highest tenderer has 14 days to pay the amount tendered plus accumulated taxes, penalties and interest, reasonable costs, HST if applicable, and the relevant land transfer tax; and a tax sale can be cancelled by the treasurer at any time before a tax deed or notice of vesting is registered, even after the tender is closed.
• Municipality of Marmora and Lake, Sale of Land(s) by Public Tender — the municipality is only interested in recovering unpaid taxes and is not obligated to obtain fair market value; it makes no representation as to a property's condition, provides no survey or reference plan and no access or key, does not provide vacant possession, and sells without warranty, as-is; the onus is on the tenderer to conduct their own inquiries into zoning, access, work orders, water and hydro and other arrears, building restrictions, title problems, and liens, each of which may survive the tax sale; the balance is due in full within 14 calendar days of the mailing date of the notice; if there is no successful tenderer the lands may vest in the municipality; and the municipality reserves the right to withdraw any property from the tax sale process at any time prior to registration of a tax deed.