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How Condo Reserve Fund Contributions Are Set in Ontario

See how an Ontario condo board sets the reserve fund contribution in your fees, how it is shared among units, and what to do if you question the amount.

Real Estate4 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
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Key takeaways
  • Each corporation must contribute an amount reasonably expected to cover future major repairs and replacements, set by a study and funding plan.
  • The board decides the contribution but should be cautious about departing from professional advice.
  • Reserve contributions are part of common expenses, shared by each unit's percentage.
  • Unpaid common expenses can lead to a lien for the amount owing, interest and legal costs.

Your monthly condo fee probably includes a line for the reserve fund. It can feel like a mystery number that rises or falls without much explanation. Understanding where it comes from helps you judge whether your building is saving sensibly.

This article walks through how the amount is set, how it is divided among owners, and what you can do if you think it is wrong. It is general information. Whether and how an owner can challenge a particular decision depends on the facts, so a lawyer can confirm your options.

Where the contribution comes from

Each corporation must contribute to its reserve fund an amount reasonably expected to cover future major repairs and replacements. That amount is set by a reserve fund study and a funding plan. The goal is to save steadily rather than raise money in a panic when a major component fails.

The fund exists for major repair and replacement of the common elements and assets of the corporation. It is not a general pot for day-to-day costs.

How the board decides the amount

The board decides the contribution. The CAO says it should be cautious if choosing to deviate from professional advice, and departing from the study could create director liability.

There is a set process after each study. The board must review it within 120 days of receiving it and propose a plan for adequate future funding. Within 15 days of proposing the plan, it must send owners a notice of future funding with a summary of the study, a summary of the plan and a statement of any areas where the plan differs from the study. The plan is implemented 30 days after it is sent to owners and the auditor.

StepTiming
Board reviews the study and proposes a planWithin 120 days of receiving the study
Notice of future funding sent to ownersWithin 15 days of proposing the plan
Plan implemented30 days after it is sent to owners and the auditor

How your share is worked out

Reserve fund contributions are part of the common expenses. Each unit pays a percentage share fixed by the declaration, based on unit size, parking space and locker. So two owners in the same building can pay different reserve amounts, and the difference comes from the declaration, not from a board choice.

If the fund falls short, the corporation can face further costs. Special assessments are shared by owners in the same percentages used for common expenses, and owners must pay their portion.

If you think the amount is wrong

Whether a contribution is too high, too low or properly set usually comes down to the study and the plan. The documents you can check include:

Which route an owner can take to challenge a decision depends on the facts and the governing documents, and the right step may differ from case to case. A lawyer can confirm what applies to you. Keep in mind that reserve contributions are common expenses, and unpaid common expenses can lead to a lien that includes interest and reasonable legal costs. Withholding payment while you dispute the amount is risky.

What to do next

A written, polite request for the documents is usually the best first move, and it creates a record.

Frequently asked questions

Who decides how much goes into the reserve fund?

The board decides the contribution, and the amount is set by a reserve fund study and funding plan. The CAO says the board should be cautious about deviating from professional advice, which could create director liability.

Why do I pay a different reserve amount than my neighbour?

Each unit pays a percentage share of common expenses fixed by the declaration, based on unit size, parking space and locker. Reserve contributions are part of those common expenses.

Will I be told about the funding plan?

After a study, the board must send owners a notice of future funding within 15 days of proposing the plan. It summarizes the study and the plan and notes where they differ. How you would be told about other changes depends on your situation, so it is worth confirming with a lawyer.

Can I stop paying the reserve portion of my fee?

That is not a good idea. Reserve contributions are part of common expenses, and unpaid common expenses can lead to a lien for the amount owing, interest and legal costs. Speak to a lawyer first.

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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