Building Permits in Oakville

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

The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →

Permit guides

Deck permitsDecks greater than 10 square metres in area and higher than 61 centimetres above the adjacent grade require a building permit, and any size deck attached to a house requires a building permit.
New house permitsConstructing a new home needs a building permit and requires coordination of multiple approvals from the town and other agencies.
Part 3 residential building permitsA Part 3 residential building consists of more than three storeys or is greater than 600 square metres; new construction, additions and alterations to one need a building permit.
Addition, finished basement and interior alteration permitsA permit is required for an addition to an existing building, for finishing a basement to create rooms or living space, and for interior alterations.
Accessory apartment permitsA second unit, also called a basement apartment, needs a building permit; when creating an accessory apartment, you need a bedroom, a kitchen, living area, washroom and access to laundry facilities.
Shed, cabana and gazebo permitsIf your shed, cabana or gazebo has plumbing or is larger than 15 square metres in size you need a permit.
Pool, hot tub and pond permitsTo add a pool to your property you will need a development engineering permit, and the Pool Enclosure By-law requires that you obtain a pool enclosure permit before beginning the construction or installation of a new pool.
Residential demolition permitsA demolition permit allows you to remove all or part of a building.
Sign permitsA sign permit is required whenever a new permanent sign is installed on a building or into the ground, or if you plan to install a temporary sign.
Temporary tent and garden centre permitsA building permit is required for a temporary structure (tents and garden centres) if it is greater than 60 metres square, or of any size if it is located within three metres of another structure or attached to a structure.
Non-residential building permitsMost renovation, construction or demolition projects require a building permit, including non-residential new construction, additions and alterations, interior alterations and a shelf and rack storage system.
Site servicing permitsSite servicing is a stand alone permit for the plumbing system that connects the water, sanitary and storm services from the street to the outside of the building; it does not apply to freehold houses.

Documents

Every building permit

Houses

Apartments & Stacked Townhouses

Additions & Alterations

Second Suites

Pools & Enclosures

Fences

Demolition

Signs

Commercial, Industrial & Institutional

Plumbing & Drains

2024 Site Servicing Fee CalculationsFees