Permis de construction à City of Mississauga
Un guide complet pour les propriétaires.
Comprenez de quels permis vous avez besoin, comment faire une demande et quelles autres approbations peuvent s'appliquer à votre projet de rénovation.
Quand avez-vous besoin d'un permis de construction?
En vertu du Code du bâtiment de l'Ontario, des permis de construction municipaux sont requis pour la plupart des travaux de structure, de plomberie, de CVCA et d'électricité.
Permis généralement requis
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Modifications structurelles
Murs porteurs, fondations, agrandissements
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Installations ou modifications de plomberie
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Installations ou modifications de CVAC
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Finition d'un sous-sol
Lorsqu'il ajoute un espace habitable
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Terrasses à plus de 600 mm
Plus de 24 pouces au-dessus du sol
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Structures détachées
Dépassant le seuil de taille municipal
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Nouvelles ouvertures de fenêtres ou de portes
Dans les murs porteurs
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Installations de foyer ou de poele a bois
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Sous-œuvre
Abaissement des planchers de sous-sol
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Démolition
De bâtiments ou de structures
Permis généralement non requis
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Peinture, revêtements de sol, cloisons sèches non structurelles
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Remplacement d'armoires
Aucune modification de plomberie ou d'électricité
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Réfection de toiture avec le même matériau
Aucune modification structurelle
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Remplacement identique de fenêtre ou de porte
Dans la même ouverture
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Aménagement paysager mineur
Qui ne modifie pas le drainage ou le nivellement
Vérifiez toujours avant de commencer
Les exemptions peuvent varier selon la municipalité et la portée du projet. Confirmez avec Building Division avant de commencer les travaux.
Le processus de permis de City of Mississauga
Comment faire une demande de permis de construction auprès de Building Division.
Où faire la demande
Frais, délais & contact
Comment faire une demande, etape par etape
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1
Confirm whether a permit is required
Review the Ontario Building Code permit triggers and check this guide for your specific project type. When in doubt, contact Mississauga's Building Division at 311.
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2
Verify zoning compliance
Check your property's zoning using Mississauga's interactive zoning map (By-law 0225-2007). Confirm setbacks, lot coverage, and height limits before investing in architectural drawings.
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3
Check for heritage designation
Look up your address against Mississauga's heritage property database. If your property is designated or located in a Heritage Conservation District (Meadowvale Village, Old Port Credit), exterior changes need Heritage Planning review.
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4
Confirm Conservation Authority jurisdiction
If your property is near a watercourse, wetland, or flood plain, contact the relevant Conservation Authority (CVC for most of Mississauga, TRCA for eastern areas) before applying for a building permit.
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5
Create an ePlans account
Register for an account on Mississauga's ePlans portal. All building permit applications must be submitted online through this system.
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6
Prepare your application package
Collect the required drawings for your project type: site plan, floor plans, structural drawings where required, and energy efficiency compliance (SB-12) for housing.
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7
Submit through ePlans
Submit your application through ePlans and pay the administration fee. You will receive an email with your project number and instructions to upload drawings and supporting documents.
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8
Book your inspections
Once your permit is issued, book inspections through 311 or the ePlans portal at the construction stages required by your permit.
Autres approbations dont vous pourriez avoir besoin
Au-dela du permis de construction municipal, votre projet peut necessiter des approbations provinciales ou locales supplementaires.
Projets de rénovation courants à City of Mississauga
Exigences typiques de permis et d'approbation par type de projet. Les projets individuels peuvent différer; vérifiez toujours auprès de Building Division.
| Projet | Batiment | ESA | TSSA | Plomberie | Conservation | Patrimoine |
|---|---|---|---|---|---|---|
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Basement finishing
Converting an unfinished basement into habitable living space (new walls, ceilings, flooring, and typically new electrical and sometimes plumbing).
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Requis | Requis | Le cas échéant | Le cas échéant | Non | Non |
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Kitchen renovation
Cabinet replacement, countertop swap, and appliance changes with potential plumbing, electrical, or gas modifications.
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Le cas échéant | Le cas échéant | Le cas échéant | Le cas échéant | Non | Non |
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Bathroom addition
Adding a new bathroom (typically in a basement or converted space) requiring new plumbing drains, vents, and fixtures.
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Requis | Requis | Non | Requis | Non | Non |
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Deck (residential)
Building or replacing an exterior deck attached to a house or freestanding.
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Le cas échéant | Le cas échéant | Non | Non | Le cas échéant | Le cas échéant |
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Load-bearing wall removal
Removing an interior load-bearing wall (e.g., to open a kitchen to a living area) and installing a beam or header.
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Requis | Le cas échéant | Non | Le cas échéant | Non | Le cas échéant |
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Addition (single-storey or second-storey)
Adding new habitable space to a home: bump-out, new room, second-storey addition, or sunroom conversion.
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Requis | Requis | Le cas échéant | Le cas échéant | Le cas échéant | Le cas échéant |
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Window or door replacement
Replacing an existing window or door, or creating a new opening in an exterior wall.
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Le cas échéant | Non | Non | Non | Non | Le cas échéant |
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Roof replacement (reroofing)
Replacing an existing roof with the same or different materials (shingle, metal, membrane).
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Le cas échéant | Non | Non | Non | Non | Le cas échéant |
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Furnace replacement
Replacing an existing furnace (gas or electric) with a comparable new unit.
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Le cas échéant | Le cas échéant | Le cas échéant | Non | Non | Non |
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Central air conditioning installation
Installing or replacing a central air conditioning system (split system with exterior condenser and interior coil).
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Le cas échéant | Requis | Non | Non | Non | Non |
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Gas fireplace installation
Installing a new gas fireplace, insert, or stove with associated venting and gas line.
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Requis | Le cas échéant | Requis | Non | Non | Le cas échéant |
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Swimming pool (inground)
Installing an inground swimming pool including excavation, shell, equipment pad, and required fencing.
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Requis | Requis | Le cas échéant | Requis | Le cas échéant | Non |
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Fence
Installing or replacing a residential fence along a property line.
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Varie | Non | Non | Non | Le cas échéant | Le cas échéant |
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Detached garage or large shed
Building a detached accessory structure such as a garage, large shed, or workshop.
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Le cas échéant | Le cas échéant | Non | Non | Le cas échéant | Le cas échéant |
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Basement underpinning (lowering floors)
Lowering an existing basement floor by excavating and extending the foundation downward in sections.
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Requis | Le cas échéant | Non | Le cas échéant | Non | Le cas échéant |
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Solar panel installation
Installing a rooftop or ground-mount photovoltaic (PV) system with inverter and electrical interconnection.
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Requis | Requis | Non | Non | Non | Le cas échéant |
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Electric vehicle (EV) charger installation
Installing a Level 2 (240V) EV charging station in a garage, driveway, or parking area.
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Non | Requis | Non | Non | Non | Non |
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Demolition
Demolishing a building or a significant portion of a building (garage, accessory structure, interior gut).
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Requis | Requis | Requis | Requis | Le cas échéant | Le cas échéant |
Obtenez des soumissions de pros de City of Mississauga qui gèrent les permis
Évitez les suppositions. Connectez-vous avec des professionnels vérifiés de City of Mississauga qui comprennent le processus de permis et peuvent soumissionner pour l'ensemble de votre projet.
Obtenir des soumissions gratuitesQuestions fréquemment posées
When do I need a building permit in Mississauga?
Under the Ontario Building Code, a permit is typically required for structural changes, additions, finished basements that add habitable space, decks more than 600 mm above grade, new plumbing, HVAC installations, and demolitions. Cosmetic changes like paint, flooring, and like-for-like fixture replacements generally do not. Contact Mississauga's Building Division at 311 to confirm.
How do I apply for a building permit in Mississauga?
Mississauga requires all building permit applications to be submitted online through the ePlans portal. You will need a site plan, floor plans, structural drawings (where required), and energy efficiency compliance documentation for housing.
How long does it take to get a building permit in Mississauga?
Prescreening takes 7-10 business days. Once your application is confirmed complete, statutory review timelines apply: 10 business days for houses, 15 days for small buildings, 20 days for large buildings, and 30 days for complex buildings. Incomplete applications are not subject to these timelines.
What is ePlans and how do I use it?
ePlans is Mississauga's online portal for building permit applications. You create an account, submit your application, pay fees, and upload drawings through the system. The portal also allows you to track your application status and book inspections.
Do I need Conservation Authority approval in Mississauga?
Mississauga is covered by two Conservation Authorities: Credit Valley Conservation (CVC) for most of the city, and TRCA for eastern areas near Etobicoke Creek. If your property is in a regulated area (near a watercourse, wetland, or flood plain), you may need their approval before the city can issue your building permit.
Is my Mississauga property in a Heritage Conservation District?
Mississauga has two established Heritage Conservation Districts: Meadowvale Village (Ontario's first HCD, 1980) and Old Port Credit Village (2004). Streetsville is under study for HCD designation. If your property is designated or in an HCD, exterior alterations need Heritage Planning approval in addition to a building permit.
Do I need an ESA permit for electrical work in Mississauga?
Yes. The Electrical Safety Authority (ESA) requires a notification for all electrical work in Ontario, regardless of municipality. Homeowners can file ESA notifications for work on their own home, or hire a Licensed Electrical Contractor (LEC). This is separate from your municipal permit.
Do I need a TSSA permit for gas work in Mississauga?
Gas work (furnaces, gas fireplaces, gas lines, BBQ hookups) must be performed by a TSSA-certified gas technician with G1 or G2 certification. TSSA-certified contractors handle the regulatory notification and inspection process for you.
Avis importants
- This information is for general guidance only and does not constitute legal or professional advice.
- Permit requirements vary by municipality and project. Always confirm with your local building department.
- Information is current as of the date shown. Municipal requirements change - verify before relying on this information.
- RealCraft is not affiliated with any municipal, provincial, or federal government body.
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