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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Landlord & Tenant Rights Ontario » Evictions & Rent Disputes Ontario » Evicting a Tenant for Installing Unapproved Smart Locks and Withholding the Code From the Ontario Landlord

Evicting a Tenant for Installing Unapproved Smart Locks and Withholding the Code From the Ontario Landlord

1 Jul 2026 4 min read No comments Evictions & Rent Disputes Ontario
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In Ontario, it is illegal for a tenant to change the locks or install a smart lock without the landlord’s permission. If a tenant refuses to provide the master access code or a physical key, the landlord can serve an N5 notice to demand compliance and pursue eviction through the LTB.

Understanding Lock Replacements Under the RTA

Modern smart home technology is incredibly popular, and many tenants prefer the convenience of keypad locks over traditional keys. Whether your rental property is in London, Brampton, or Sudbury, a tenant might take it upon themselves to upgrade the front door hardware. However, doing this without the landlord’s explicit consent is a direct violation of the Residential Tenancies Act (RTA). 🔒

Section 35 of the RTA strictly forbids tenants from altering the locking system without permission. Landlords absolutely must have access to the unit for emergency repairs, fire safety inspections, or providing 24-hour notice for maintenance. When a tenant installs a smart lock and withholds the code, they are severely interfering with the landlord’s lawful rights. Generally, hiring a paralegal from our directory can help landlords resolve this issue swiftly before an emergency occurs. ⚖

Step-by-Step Process: How to Handle Unapproved Smart Locks

If you discover a tenant has locked you out of your own property, you must follow the correct legal procedures. Do not attempt to forcefully drill the lock or enter without notice, as this can result in the tenant filing harassment claims against you. 📝

Step 1: Communicate with the Tenant First

Start with a polite but firm written request. Send an email or a letter explaining that Section 35 of the RTA forbids changing the locks without your consent and requires them to provide a working physical key or the master digital code immediately. Often, tenants simply do not know the law and will comply once informed. 📄

Step 2: Serve an N5 Notice

If the tenant ignores your request or refuses to give you the code, you must serve a Form N5. This is a “Notice to End your Tenancy for Interfering with Others, Damage or Overcrowding.” Specifically, you are citing that the tenant has substantially interfered with your lawful right to access the property. 🚩

Step 3: The 7-Day Void Period

The N5 notice gives the tenant exactly 7 days to correct the behaviour. To void the eviction notice, the tenant must either reinstall the original lock, provide you with the physical backup key, or give you the permanent smart lock code. If they do this within 7 days, the eviction process stops. ⏳

Step 4: File an L2 Application with the LTB

If the 7 days pass and the tenant still refuses to provide access, the N5 becomes valid. You must then file an L2 application with the Landlord and Tenant Board to request an eviction hearing. At the hearing, an adjudicator can order the tenant to provide the code, pay for a locksmith, or face final eviction. 👤

How Much Does It Cost to Resolve a Lock Dispute?

Dealing with uncooperative tenants can result in unexpected expenses for property owners. Fortunately, you can request that the LTB order the tenant to reimburse you for out-of-pocket costs related to the illegal lock. 💵

Expense TypeEstimated Cost in CAD
Emergency Locksmith (If necessary)Generally costs $150 to $300 CAD depending on the time of day.
Filing the L2 Application$186 CAD to submit online through the Tribunals Ontario Portal (or $201 CAD for paper filings).
Paralegal RepresentationHiring a legal professional for the hearing usually ranges from $800 to $1,500 CAD.

How Long Does the N5 Eviction Process Take?

While the N5 notice gives the tenant a quick 7-day window to comply, enforcing the eviction takes much longer. If you have to file an L2 application, waiting for a hearing date at the backlogged LTB currently takes between 4 to 8 months. This is why securing the code through initial written communication is always the preferred route. ⏳

Frequently Asked Questions (FAQ)

Can I just change the lock back myself?

It is risky. If you alter the locks while the tenant is living there and fail to give them a key, it is an illegal lockout. You must go through the LTB to force them to change it, or obtain an order allowing you to hire a locksmith.

What if the tenant claims they installed it for safety?

Even if a tenant feels unsafe, they cannot unilaterally block the landlord’s access. If they are fleeing domestic violence, there are specific legal pathways (like an N15 notice to break the lease), but changing locks still requires your consent.

Can I refuse to allow a smart lock even if they give me the code?

Yes. As the property owner, you have the right to maintain the original hardware. If you do not want digital locks on your doors due to battery failures or security concerns, you can legally demand the original deadbolt be reinstalled.

What if there is an emergency like a pipe burst?

In a true emergency, a landlord has the right to enter without notice. If an illegal smart lock blocks you, you can hire a locksmith or call emergency services to break the door down, and the tenant will likely be liable for the damages.

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