The Building Department works with our residents and contractors to ensure that  the buildings and structures where we live, work and play are safe. The department reviews permit applications, issues permits and conducts inspections in accordance with the Ontario Building Code, Township of Stone Mills by-laws , and other applicable legislation.

The department also processes and provides zoning and building code information to the public and technical advice to Township Council, committees, and other municipal department’s

Although the following lists cover most things that require a building permit. It may not cover all of them. If you are in doubt please call us at the building department and we will be glad to answer any questions or concerns.

You need a building permit if you plan to:

• construct a new building
• renovate, repair or add to a building
• demolish or remove all or a portion of a building
• change a building's use
• install, change or remove partitions and load-bearing walls
• make new openings for, or change the size of, doors and windows
• build a garage, balcony or deck
• excavate a basement or construct a foundation
• install or modify heating, plumbing, air conditioning systems or fireplaces
• reconstruct a chimney.
• Install an in ground or above ground pool, spa, whirlpool, or hot tub

You do not need a building permit to:

·         replace existing, same-size doors and windows.

·         install siding on small residential buildings.

·         build a roofless deck under two feet (height measured from the ground level to the top of the deck) that is not attached to a building

·         build a utility shed under 108 ft2

·         re-shingle a roof, provided there is no structural work

·         install eaves troughs, provided that drainage is contained on your property

·         replace or increase insulation, dry-wall or plaster

·         damp-proof basements

·         paint or decorate

·         install kitchen or bathroom cupboards without plumbing

·         erect a fence (except for swimming pools ­ outside pools require permits)

Application for a building permit - click here.

Building Permit Checklist - click here.

Occupancy Checklist - click here.

Application for Sewage Permit - click here.

Pool By-law - click here.