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EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
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EZSMART Corporation, ESA/ECRA #7012690 , North York , Ontario
Mon-Fri 08:00 AM - 05:00 PM
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    21 Jul, 2026
    Posted by Amir Azimipour
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    What Happens If I Do Electrical Work Without a Permit?

    Skipping the permit on an electrical job in Ontario feels like it saves time and a few hundred dollars, right up until an insurance adjuster, a real estate lawyer, or a house fire enters the picture. The consequences of doing unpermitted electrical work range from a modest fine to a denied insurance claim to serious liability if someone gets hurt. This guide covers what actually happens when the Electrical Safety Authority, an insurer, or a buyer’s lawyer catches unpermitted work in a Toronto or GTA home.

    What happens if you do electrical work without a permit in Ontario

    Unpermitted electrical work in Ontario carries four main consequences: fines from the ESA under the Electricity Act, denied or reduced insurance claims if a fire is traced to the work, delayed or lost home sales when the work is discovered during due diligence, and personal liability if the work injures someone. The Electricity Act is enforced by the Electrical Safety Authority, and their inspectors do investigate reports of unlicensed and unpermitted work.

    The severity depends on what the work was, who did it, whether anyone was harmed, and whether the property is your own single-family home or a rental or commercial building. A DIY like-for-like outlet swap in your own home is treated very differently from a full basement rewire in a rental unit.

    Fines and enforcement under the Electricity Act

    Under Ontario’s Electricity Act, both the property owner and the person who performed the work can be charged with offences related to unpermitted or unlicensed electrical work. Fines under the Provincial Offences Act can be significant, and repeat offenders face escalating penalties. The ESA can order the work stopped, undone, or brought up to code at the owner’s expense.

    Common triggers for an ESA investigation include:

    • A neighbour, tenant, or contractor reports suspicious work.
    • An electrical fire or shock incident brings ESA and the fire marshal to the property.
    • An unrelated inspection (renovation, panel upgrade, EV install) uncovers older unpermitted work.
    • A licensed contractor called in later refuses to work on top of unpermitted wiring and reports it.

    For the exact answer on when you need one, see when do I need an ESA permit for electrical work.

    Insurance risk: the big one

    The consequence most homeowners underestimate is insurance. Most Ontario home insurance policies require that any material electrical work meet code and be properly permitted where required. If a fire or shock is later traced to unpermitted work, carriers can:

    • Deny the claim in full.
    • Reduce the payout to the depreciated value.
    • Cancel the policy going forward and refuse renewal.
    • Refuse to bind new coverage after non-renewal, forcing the owner into high-risk pools.

    Even without a fire, some brokers flag unpermitted work during their five-year inspection cycles or after a claim on any other part of the property. Read will my insurance cover unpermitted electrical work for the detailed carrier-side picture.

    What happens at resale

    Unpermitted electrical work almost always surfaces at resale. In the GTA it typically comes up in one of three ways:

    • A home inspector notices DIY signs (mismatched receptacles, exposed cable, unlabelled breakers) and flags them.
    • The buyer’s lawyer requests a Certificate of Inspection from ESA and the seller cannot provide one. See what is a Certificate of Inspection.
    • The buyer’s insurance broker refuses to bind coverage on closing without documentation.

    Any of the above delays or kills the sale, or forces the seller into last-minute remediation at premium pricing. If you inherit a home that already has unpermitted work, read what should I do if I buy a house with unpermitted electrical work.

    Liability when someone gets hurt

    The most serious consequence is personal liability. If unpermitted work injures a tenant, a contractor, a family member, or a visitor, the property owner and the person who did the work can be sued personally, criminally charged in extreme cases, and left uninsured for the settlement. Rental properties are the highest-risk category: landlords are held to a standard of care that includes maintaining safe electrical systems, and unpermitted work is almost always considered a breach of that duty.

    Cost comparison: permit versus consequences

    An ESA permit for typical residential work is inexpensive relative to the alternatives. See how much does an ESA permit cost. Compared to potential fines in the thousands, insurance denials in the tens or hundreds of thousands, and litigation exposure in the multi-hundred-thousands, the permit fee is trivial. There is essentially no rational cost-benefit case for skipping it on real work.

    How to fix unpermitted work already in a home

    1. Book an inspection with an ECRA/ESA-licensed contractor. Do not disclose to the seller if you are still in a real estate negotiation — the inspection is for your own decision-making.
    2. The contractor identifies the unpermitted work and quotes remediation.
    3. Remediation typically means opening the wall as needed, correcting the work to code, and filing a proper ESA notification.
    4. ESA inspects the corrected work and issues a Certificate of Inspection.
    5. The certificate goes into your renovation binder and to your insurer.

    Doing this proactively is far cheaper than doing it under the pressure of an insurance claim, a real estate deal, or an ESA investigation.

    Common examples of unpermitted work we find in GTA homes

    • Panel upgrades done by a handyman without ESA notification.
    • Basement finish jobs with new circuits added and no inspection.
    • EV chargers installed off Kijiji ads by unlicensed installers.
    • Hot tub or pool wiring where a shed circuit was extended without permit.
    • Kitchen renovations with new receptacles added, sometimes on undersized wire. Related: how to tell if your DIY wiring is up to code.
    • Bathroom exhaust fans and pot lights added by contractors of a different trade.

    Expert tip from our ESA-licensed electricians

    If you already did unpermitted work years ago and it is still functioning, the smart move is quiet remediation now rather than crisis remediation later. In our GTA calls, the homeowners who file a retroactive notification and let us clean up the work spend a fraction of what the homeowners in a live insurance dispute or real estate delay end up paying. Reach out, describe what was done, and we will tell you honestly whether it needs correction or whether it happens to already meet the current code. Either way, you sleep better and your house sells cleaner.

    Contact us

    Worried about unpermitted electrical work in your Toronto or GTA home, past or planned? Call ezsmart at 416-838-9006 or use our contact page. An ESA-licensed electrician will book same-day, quote a fix, and file the ESA notification so you end up with a proper Certificate of Inspection on record.

    Amir Azimipour

    Electrician Since 2008 Journeyman Electrician Designated Master Electrician at EZSMART Corp

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