Building Permits in Mississauga

The permit guides and documents DocHub holds for building permits in Mississauga, each taken from the municipality’s own pages.

Permit guides

New house and garden suite permitsNew residential buildings, including garden suites, need a building permit.
Addition permitsA permit is required prior to building an addition to an existing building.
Second unit permitsWhen converting existing space into a second, third or fourth unit, such as a basement apartment, you need a building permit.
Garden suite permits (pre-approved plans)You need to apply for a building permit to build a garden suite on your property; the City offers pre-approved plans for one-bedroom and studio garden suites.
Below grade entrance permitsYou need a building permit for a below grade entrance or basement walkout.
Temporary tent permitsA building permit is required for temporary tents greater than 60 square metres.
Deck, porch and balcony permitsA permit is required prior to building a deck greater than 0.61 metres (2 feet) high, a porch that’s covered, or a balcony.
Garage conversion permitsWhen converting an existing garage into a residential unit, you’ll need to submit drawings and documents for a building permit.
Shed, gazebo and detached garage permitsYou need a building permit for a shed greater than 15 square metres, a gazebo greater than 10 square metres, a detached garage, or a shed, building or structure of any size that contains plumbing.
Swimming pool installationIf you plan on installing an above-ground or in-ground swimming pool, hot tub or swim spa in your backyard, you must submit documents to the City of Mississauga for approval and pay fees before starting work.
Residential demolition permitsYou need a building permit to demolish a residential building.
Permanent sign permitsTo install a permanent sign you’ll need to apply for a sign permit to make sure it complies with the Sign By-law and the Ontario Building Code.
Non-residential building permitsMost renovation, construction or demolition projects require a building permit, including a new non-residential building or an addition.
Backflow preventer permitsA permit is required prior to installing a backflow preventer.

Documents

Every building permit

Houses

Apartments & Stacked Townhouses

Additions & Alterations

Second Suites

Additional Residential Units

Basement Entrances

Decks & Porches

Pools & Enclosures

Fences

Demolition

Signs

Tents & Temporary Structures

Commercial, Industrial & Institutional

Plumbing & Drains