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Real Estate

What Is the Difference Between an Opened and Unopened Shore Road Allowance in Ontario?

TSL Written by the Treadstone Law Team· Updated November 1, 2026

Whether a shore road allowance is opened or not, the key questions are whether it has been closed and who owns it. A road allowance made by the Crown surveyors in a municipality is a highway unless it has been closed, and that includes original shore road allowances. A highway, including an unopened road allowance, is owned by the municipality that has jurisdiction over it.

Where a shore road allowance in a municipality has not been closed, it remains a highway, so it may not be part of your lot even if it looks like your yard. A municipality closes a road allowance by by-law, and that must happen before it can be sold to an abutting owner. The by-law takes effect only when a certified copy is registered in the land registry office. After January 1, 2003, land can become a highway only by a by-law establishing it.

Whether a particular allowance can be closed and sold depends on local policy, the high-water mark and other issues, so confirm its status with the municipality and a lawyer before you buy.

Key takeaways

  • A shore road allowance in a municipality is a highway unless it has been closed, and that includes original shore road allowances.
  • The municipality that has jurisdiction owns a highway, including an unopened road allowance.
  • A road allowance must be closed by by-law before it can be sold to an abutting owner, and the by-law takes effect only when a certified copy is registered.
  • Whether an allowance can be closed and sold depends on local policy and other issues, so check its status before you buy.
This is general information, not legal advice. It doesn’t create a lawyer–client relationship, and the rules can change. For advice on your situation, a Treadstone real estate lawyer can help.

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Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

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