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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Ottawa Legal Guides » Real Estate, Housing & Civil Disputes Ottawa » Buying & Selling Real Estate Ottawa » How to navigate the Tarion warranty for a new build home in Ottawa

How to navigate the Tarion warranty for a new build home in Ottawa

27 Mar 2026 5 min read No comments Buying & Selling Real Estate Ottawa
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In Ontario, almost every newly built home comes with a mandatory Tarion warranty. To protect your rights, you must strictly follow Tarion’s deadlines by submitting the 30-Day Form, the 1-Year Form, and the 2-Year Form to report defects. Missing a deadline usually means the builder is no longer legally obligated to fix the issue.

Moving into a brand-new home in a growing Ottawa neighbourhood like Barrhaven, Kanata, or Orleans is an exciting milestone 🏡. You expect everything to be pristine and fully functional. Unfortunately, new builds often come with “deficiencies”—from minor cosmetic issues like squeaky floors and chipped paint to major problems like foundation leaks or faulty HVAC systems. To protect buyers, the Ontario government established the Tarion warranty program. This program acts as a backstop, ensuring that builders fulfill their promises and repair defects that occur within specific timeframes.

Navigating the Tarion warranty system, however, is notoriously strict and heavily paperwork-driven. The program is built around rigid deadlines, and if you miss your window to submit a claim form, you generally lose your right to demand a repair from the builder. Because understanding what constitutes a “warranted defect” can be complicated, we highly recommend consulting a local real estate lawyer from our directory to help you review your Agreement of Purchase and Sale and guide you through the claims process.

Step-by-Step Process in Ottawa, Ontario

The Tarion warranty process begins before you even receive your keys and continues for up to seven years 📋. Here is the step-by-step journey of how you must report and escalate defects in your new Ottawa home.

Step 1: The Pre-Delivery Inspection (PDI)

Shortly before your closing date, your builder will invite you to a Pre-Delivery Inspection. During this walk-through, you will examine the home inside and out. You must note every single scratch, missing fixture, or unfinished item on the PDI form. While the PDI form is not an official Tarion warranty claim, it is the most critical piece of evidence to prove that a defect existed before you moved in, rather than being caused by your own wear and tear.

Step 2: Submitting the 30-Day Form

Your first official opportunity to make a warranty claim is the 30-Day Form ⌛. You can submit this form to Tarion at any time within the first 30 days of possession. Use this form to list anything you missed during the PDI or new issues that have cropped up since you moved in (like a leaking sink). Once submitted, the builder generally has 120 days to repair the listed items.

Step 3: Submitting the 1-Year and 2-Year Forms

As your home settles through its first Ottawa winter, new issues may emerge. During the final 30 days of your first year of possession, you can submit the 1-Year Form for any outstanding or new defects. The 2-Year Form can be submitted anytime within the first two years to report specific major issues, specifically water penetration through the basement or roof, and defects in the electrical, plumbing, or heating delivery systems.

Step 4: Requesting a Tarion Conciliation

If the builder refuses to fix the items on your forms, or if they do a poor job, you must escalate the issue by requesting a “Conciliation” 🤝. This involves paying a fee and having a Tarion representative visit your home in Ottawa to assess the defects. The representative will issue a legally binding decision on whether the defect is covered by the warranty. If the builder still fails to fix it, Tarion will either hire their own contractors to do the work or offer you a cash settlement.

How Much Does it Cost in Ottawa?

Participating in the Tarion warranty program involves some standard fees, though the actual repairs should be covered by the builder. Here is a breakdown of expected costs as of March 2026:

  • Tarion Enrollment Fee: This is a mandatory fee paid when you buy the house. It ranges from $300 to over $1,500 CAD depending on the purchase price of the home, and it is usually buried in the closing costs handled by your real estate lawyer.
  • Conciliation Request Fee: If you need Tarion to step in and force the builder to act, you must pay a $282.50 CAD conciliation fee. However, if Tarion rules in your favour and finds the builder at fault, this fee is fully refunded to you.
  • Private Home Inspector: Many Ottawa buyers hire an independent home inspector to help them fill out their 30-Day or 1-Year forms. This typically costs $400 to $600 CAD but provides a professional list of defects the builder cannot easily dismiss.
Expense TypeEstimated Cost (CAD)When is it Paid?
Enrollment Fee$300 – $1,500+At final closing
Private Inspection$400 – $600Before 30-Day or 1-Year deadline
Tarion Conciliation Fee$282.50When escalating a dispute (Refundable)

How Long Does the Process Take?

The Tarion warranty is broken into strict timelines. Cosmetic and general defects are covered for 1 year. Water leaks and structural settling affecting doors/windows are covered for 2 years. Major structural defects (like a shifting foundation) are covered for up to 7 years. Once you submit a form, the builder usually has exactly 120 days to complete the repairs. If they fail, you have a 30-day window to request conciliation 📅.

Frequently Asked Questions (FAQ)

Can I withhold my closing funds if the house isn’t finished?

No. In Ontario, you generally cannot withhold closing funds or refuse to close the deal just because there are unfinished cosmetic items or minor defects. If the house is deemed fit for occupancy by the municipality, you must close and use the Tarion process to get the remaining items fixed.

Does Tarion cover delayed closings?

Yes. If your builder delays your closing date beyond the permitted extensions outlined in the Statement of Critical Dates (attached to your purchase agreement), you may be entitled to delayed closing compensation of up to $7,500 CAD for living expenses and storage.

What happens if my builder goes bankrupt?

Tarion protects your deposit. If the builder goes bankrupt before the house is finished, Tarion will protect deposits up to $100,000 CAD for freehold homes and $20,000 CAD for condominiums. Tarion will also step in to manage warranty claims if the builder ceases operations after you move in.

Does the warranty cover landscaping and driveways?

Coverage for exterior elements is limited. Tarion generally does not cover landscaping, dead sod, or minor settlement of the ground around the foundation. However, severe sinking of the driveway or grading issues that cause water to pool against the foundation are typically covered under the 1-year warranty.

Can I fix the defect myself and bill the builder?

It is strongly advised not to do this. If you or a third-party contractor alter or attempt to repair a defect without the builder’s or Tarion’s permission, you will likely void the warranty for that specific item. You must give the builder the opportunity to fix it first.

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