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Selling a Home With an Open Building Permit in Ontario

An open building permit can complicate financing, insurance, and closing. Here's what Ontario sellers should do before listing a home with one on file.

Real Estate5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • A building permit typically moves through a few stages: application, approval, the work itself, one or more inspections, and finally closure once the municipality confirms the completed…
  • Buyers, their lenders, and their insurers can all treat an open permit as a flag worth investigating, for a few overlapping reasons: - Unverified compliance — until the permit closes,…
  • There's rarely just one right answer — the best path depends on timing, the scope of the original work, and how motivated everyone is to keep the deal on schedule.

You pull a permit for a renovation, finish the work, and life moves on — the final inspection never quite happens. Years later, you list the house, and a municipal search turns up a building permit that was applied for, but never formally closed.

An open building permit doesn't necessarily mean anything was done wrong. It usually just means the paperwork side of a completed, or partially completed, project was never finished. But it's the kind of detail that can slow down or complicate a sale if it surfaces late, especially once a buyer's lender or insurer gets involved.

What "Open" Actually Means

A building permit typically moves through a few stages: application, approval, the work itself, one or more inspections, and finally closure once the municipality confirms the completed work meets the applicable requirements. A permit is "open" whenever it hasn't reached that final closure step — whether because an inspection was never booked, the paperwork was never followed up on, or the project was left partly finished.

An open permit is different from unpermitted work, where no permit was ever pulled for a project that needed one. Both can complicate a sale, but they raise somewhat different issues and are generally addressed differently.

Why It Matters to a Buyer (and Their Lender)

Buyers, their lenders, and their insurers can all treat an open permit as a flag worth investigating, for a few overlapping reasons:

None of this means the work is unsafe or was done improperly. It means the record hasn't caught up with the work, and buyers reasonably want that gap closed before they take on the property.

Options for a Seller Dealing With an Open Permit

There's rarely just one right answer — the best path depends on timing, the scope of the original work, and how motivated everyone is to keep the deal on schedule.

OptionWhat It InvolvesBest Fit
Close the permit before listingBook the outstanding inspection(s) with the municipality and address any deficiencies identifiedSellers with enough lead time before listing
Disclose and negotiateTell the buyer the permit is open, and negotiate a price adjustment, holdback, or seller undertaking to close it after closingSellers under time pressure, or where the work is minor
Sell with a holdbackA portion of proceeds is held back at closing until the permit is closed, protecting the buyer without delaying the sale itselfDeals already underway when the issue is discovered

Whichever path is chosen, the one option that consistently makes things worse is saying nothing and hoping the buyer's own searches miss it. Municipal permit records are exactly the kind of thing a diligent buyer's lawyer checks.

A Practical Checklist Before You List

Frequently asked questions

Does an open permit mean the renovation is illegal?

Not automatically. It usually means the administrative closing step was never completed, not that the work itself is non-compliant. That said, until the permit closes, there's no official confirmation either way — which is exactly what makes buyers cautious.

Can I just let the permit stay open and let the buyer deal with it?

You can disclose it and negotiate that outcome with a willing buyer, but you generally can't ignore it or fail to disclose it if you're aware of it. An undisclosed open permit that surfaces after closing can turn into a dispute over misrepresentation, even if the underlying work was fine.

How long does closing a permit usually take?

It depends entirely on the municipality, the scope of the original work, and whether any deficiencies turn up at inspection. Timelines vary enough by municipality and project that it's worth confirming directly with your local building department rather than assuming a set number of weeks.

Should I get a lawyer involved before I even list the property?

If you know about an open permit, yes — ideally before you list, so you and your lawyer can decide whether to resolve it first or plan for how to disclose and handle it in the agreement.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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