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Special Assessments in Ontario Condos: When and How Much

Got a special assessment notice? Learn why Ontario condo boards can levy one, how your share is set, how it is collected and what options you may have.

Real Estate4 min readTSLBy the Treadstone Law Team · OntarioUpdated November 1, 2026
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Key takeaways
  • An Ontario condo board can levy a special assessment through common expense fees without owner approval.
  • Your share uses the same percentage as your common expense share, and unpaid amounts can lead to a lien on your unit.
  • A buyer who relied on a status certificate that did not clearly disclose possible assessments was exempt in one court decision.

A special assessment notice can be a shock, especially when it asks for a large amount on short notice. It helps to understand why the board can do this and what the rules say about how much you owe.

This article explains the general rules in Ontario, how collection works, and where there may be room to question the charge. Your own declaration and by-laws matter, so a lawyer can review them if the amount is significant.

What a special assessment is

A special assessment is an ownership cost that is separate from your regular monthly fees. It is not the same as a chargeback, which is a cost the corporation bills to one owner, usually because of that owner's act or omission.

Your regular common expense fees pay for maintaining the common elements, reserve fund contributions, and services such as cleaning, building maintenance and condo management. The board decides how much goes to the reserve fund and may need to raise contributions to keep it adequate.

Boards generally use special assessments when the regular budget and the reserve fund are not enough for a particular need.

Why a board can levy one

A condo board can levy a special assessment through common expense fees without owner approval. Reasons include:

Reserve funds may be used only for major repair and replacement of the common elements and assets of the corporation. If a cost falls outside that, or the fund falls short, an assessment is one way the corporation may raise money.

How much you pay

Your share of a special assessment uses the same percentage as your common expense share, and owners must pay it. That percentage is set in the declaration and may vary with unit size.

For example, a unit with a 5% share of a $1,000 monthly budget pays $50 a month. Your share of a special assessment is worked out the same way, using your percentage of the total amount levied.

Collection, liens and possible challenges

An unpaid special assessment gives the corporation a lien against the unit. The lien covers the unpaid amount, interest, and reasonable legal costs and expenses.

If a lien is not registered, it expires three months after the default, and the corporation then loses its priority over other parties with an interest in the unit. Before registering, the corporation gives a Notice of Lien, and if the arrears are not paid within 10 days it can register a Certificate of Lien. You can pay everything secured by the lien at any point until the unit is sold, and the corporation must then discharge it.

Starting 15 days after the Certificate of Lien is registered, the corporation can issue a Notice of Sale Under Lien, which sets a redemption date 45 days after it is issued. If the owner does not pay by that date, the corporation can sue for possession in the Ontario Superior Court of Justice.

If you want to dispute a lien, the forum depends on the issue. A lien tied to a matter within the Condominium Authority Tribunal's jurisdiction, such as nuisance, parking, storage, pets, records or settlement compliance, can be disputed at the Tribunal, while liens tied to issues outside that jurisdiction, such as repairs, must go to the Superior Court of Justice.

There is one notable exception for buyers. In a court decision the Condominium Authority of Ontario describes, a buyer was exempt from their share of a special assessment because the status certificate had not clearly disclosed that assessments might be levied. A status certificate binds the corporation as to whatever it includes or leaves out. Whether that applies to you depends on your facts.

What to do next

Frequently asked questions

Do owners get to vote on a special assessment?

A board can levy a special assessment through common expense fees without owner approval. Your declaration and by-laws may add details, so it is worth reading them.

What happens if I do not pay?

An unpaid special assessment gives the corporation a lien against your unit. The lien covers the unpaid amount, interest and reasonable legal costs and expenses. If the debt stays unpaid, enforcement steps can follow, including a possible sale of the unit.

Is a special assessment the same as a chargeback?

No. A chargeback is a cost billed to one owner, usually because of that owner's act or omission, while a special assessment is shared by owners by percentage.

I just bought my unit. Do I still owe the assessment?

Usually owners must pay their share. However, in one court decision a buyer was exempt because the status certificate had not clearly disclosed that assessments might be levied. A lawyer can look at your certificate.

Sources

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

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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