The situation
Sana worked as an early childhood educator and had spent several years saving toward a single goal: owning one rental property that could eventually help fund her retirement. In the spring, she found a modest, older single-family home in Timmins, already tenanted by a woman named Ama, listed at a price that fit her budget. After a round of negotiation, she agreed to buy it for roughly $480,000, financed with a mortgage and the bulk of her savings as a down payment. It was her first purchase of an investment property, and closing was set for about eight weeks out, which is a normal timeline for a straightforward resale.
The seller was Kofi, a landscaper who had owned the house for several years. He had used it as a rental for most of that time, though the property had sat empty for stretches while he worked on renovations between tenants. Nothing about the deal looked unusual on the surface. The agreement of purchase and sale was a standard form, the home inspection came back clean, and the financing condition was satisfied within the first two weeks. What neither Sana nor, it turned out, Kofi's own lawyer had focused on closely was a municipal program that had nothing to do with the physical condition of the house at all.
What the closing review found
A number of Ontario municipalities have introduced a vacant home tax or a similar occupancy-declaration requirement in recent years, and Timmins was among the municipalities moving in that direction around the time of this purchase. The mechanics are similar wherever a program like this exists: every residential property owner is required to file an annual declaration stating how the home was used during the prior year, typically as a principal residence, a tenanted property, or vacant. Owners who do not file by the deadline are not given the benefit of the doubt. The property is deemed vacant by default, and a surcharge is added to the tax roll, calculated against the property's assessed value.
These programs are still new enough in many municipalities that they catch owners off guard, especially owners like Kofi who had never had to think about them before. When our team pulled the standard tax certificate ahead of closing, showing the outstanding balance on the property tax account, it came back clean. That is not unusual. Tax certificates report what is on the roll at the moment they are requested, and a vacant home tax surcharge for a missed declaration is not calculated and posted the moment the deadline passes. Municipal staff need time to process non-filers, and the resulting charge can take months to appear.
What did not come back clean was a direct call our team placed to the municipality's tax department to confirm the declaration had actually been filed for the property, a step we take as a matter of course once a program like this exists in a purchase's municipality. The clerk confirmed no declaration was on file for the prior year, and Kofi, when asked, could not recall filing one either. He had rented the house out for part of the year and left it vacant during renovations for the rest, meaning the true picture was mixed rather than clearly one thing or the other. Whatever the eventual number turned out to be, we now knew there was an unresolved charge heading toward the property, and no way to know its exact size before closing.
What we did
- Flagged the risk before it became a crisis. Because the tax certificate does not capture a charge that has not yet been processed, we treated the missing declaration as a known but unquantified risk rather than assuming the clean certificate meant the file was clear.
- Obtained a rough estimate from the municipality. The tax department was able to give an informal, non-binding estimate of what a full-year vacant surcharge would look like based on the property's assessed value, which gave us a working number to negotiate around even though the final bill would not be confirmed for months.
- Negotiated a closing holdback with the seller's lawyer. Rather than closing and hoping the charge never materialized, we arranged for roughly $7,000 of Kofi's sale proceeds to be held in trust after closing, specifically earmarked to cover the anticipated vacant home tax charge once it was finalized.
- Collected a statutory declaration from the seller. Kofi signed a sworn statement setting out, month by month as best he could reconstruct it, when the property had been tenanted by Ama and when it had sat vacant during renovations. This became important evidence for the next step, since a portion of the year had genuinely involved a tenant.
- Explained the ownership-follows-the-property rule to Sana before closing. Municipal tax charges, including vacant home tax surcharges, attach to the property itself rather than to whichever owner caused them. If the eventual bill exceeded the holdback, Sana, not Kofi, would be the one the municipality looked to for payment, regardless of who was actually at fault. We built the holdback around a conservative version of the estimate for exactly this reason.
- Filed a correction request once the final bill arrived. About four months after closing, the municipality issued its assessment: a surcharge of roughly $9,800, including a late-payment penalty that had accrued while the file sat unresolved. Using Kofi's statutory declaration, we filed a correction request arguing that the portion of the year the home was genuinely tenanted should not have been captured by the vacant designation at all.
The outcome
The correction request was only partly successful. The municipality accepted that part of the year had involved a tenant and reduced the penalty component, but held that a declaration still should have been filed regardless of actual occupancy, and that the base surcharge for the months the home genuinely sat vacant during renovations was properly assessed. The final, corrected bill came in at roughly $8,900 after the adjustment, against a holdback of $7,000. That left a shortfall of about $1,900, which Sana paid out of pocket to clear the account and keep the property in good standing on the tax roll.
It was not the clean outcome anyone wanted. Had the holdback been set closer to the full worst-case estimate rather than a working figure based on incomplete information, the shortfall could have been avoided entirely, or at least reduced further. But the alternative to holding anything back was closing with no protection at all and Sana absorbing the entire $8,900 charge alone, months after the seller's proceeds had already been paid out and were no longer available to draw against. The holdback did what it was designed to do: it kept most of the exposure with the party who had actually missed the filing, and it meant Sana's shortfall was a manageable four-figure inconvenience rather than a much larger, unrecoverable bill landing on her without warning.
Kofi, for his part, had no real grounds to dispute the deduction from his proceeds once the correction request came back with a number. The statutory declaration he had signed before closing meant there was no dispute about the facts, only about how the municipality chose to apply its own rules to those facts, which was outside anyone's control at that point.
What you can learn from this
- In any municipality that has introduced a vacant home tax, confirm directly with the tax department that the current owner's declaration has actually been filed. A clean tax certificate does not confirm this on its own.
- A missed declaration can take months to turn into a billed charge. If the deadline has passed with no filing on record, treat the risk as real even though no number appears on the tax roll yet.
- Municipal tax charges, including vacant home tax surcharges, attach to the property rather than to whoever caused them. As the buyer, you can end up responsible for a seller's oversight regardless of fault.
- A closing holdback should be sized against a worst-case estimate, not a best guess, when the final number will not be known until after closing.
- If a property was only partly vacant during the year in question, gather dated evidence, such as a lease or a seller's sworn declaration, before closing. It may support a partial correction later, even if it does not eliminate the charge entirely.
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