Buying a Property With Unpaid Vacant Home Tax in Ontario: What to Check Before Closing

If you're buying a home in a municipality that charges a vacant home tax, there's a due diligence question that's easy to overlook amid mortgage approvals, inspections, and moving logistics: does the seller owe unpaid vacant home tax on this property? Because these charges are typically tied to the property itself and billed alongside municipal property tax, unresolved amounts can follow the property rather than simply staying the previous owner's problem.

Here's what buyers and their lawyers generally look for before closing.

Why Unpaid Vacant Home Tax Is a Buyer's Problem, Not Just a Seller's

Municipal charges like property tax and vacant home tax are typically attached to the property rather than following the individual owner personally. That means unresolved amounts can show up as an outstanding balance on the municipal tax account after closing — a balance the new owner may need to deal with even though it relates to a period before they owned the home.

This is conceptually similar to how outstanding property tax arrears are handled at closing, though vacant home tax is a distinct municipal charge with its own declaration history and calculation, so it needs to be checked separately, not assumed to be swept up automatically in a standard tax certificate review.

How a Buyer's Lawyer Typically Checks

Step 1: Confirm Whether the Municipality Even Has the Program

Not every Ontario municipality runs a vacant home tax program. The first step is simply confirming whether the property is located in a municipality that has adopted one, since that determines whether this issue is even relevant to your purchase.

Step 2: Request the Property's Tax and Declaration Status

Where a program applies, your lawyer can request confirmation of the property's current tax account status, including whether any vacant home tax balance is outstanding, and whether the required declaration has actually been filed for the relevant period(s).

Step 3: Review the Seller's Declaration History

Beyond just the dollar balance, it's worth understanding whether the seller filed the required declarations on time. A missed declaration can trigger a default vacancy assessment — meaning a tax bill could still be working its way through the system even if no arrears show up yet on the account.

Step 4: Address Any Outstanding Amount Before Closing

If arrears do exist, they're typically addressed through the closing mechanics — for example, as part of the statement of adjustments, through a holdback, or by requiring the seller to clear the balance before or at closing. The right approach depends on the amount, timing, and how the municipality's program treats transfers mid-period.

Step 5: Confirm the Post-Closing Declaration Responsibility

Ownership changing mid-reporting-period can raise its own question about who is responsible for the next declaration — the outgoing seller for the period they owned it, the incoming buyer, or both in some combined way, depending on the municipality's specific rules.

A Buyer's Due Diligence Checklist

• [ ] Confirm whether the property is in a municipality with a vacant home tax program
• [ ] Request confirmation of the current municipal tax account status, including vacant home tax
• [ ] Ask whether required declarations were filed on time for prior periods
• [ ] Flag any outstanding balance for resolution before or at closing
• [ ] Confirm how the statement of adjustments will address vacant home tax, if relevant
• [ ] Understand your own declaration obligation going forward as the new owner

Why This Matters More for Certain Purchases

This issue deserves extra attention on properties that show signs of long-term vacancy — an estate sale, a long-unoccupied investment property, or a home the seller hasn't lived in for some time. These are exactly the situations where a vacant home tax obligation is most likely to have arisen and, potentially, gone unpaid or undeclared.

Frequently asked questions