Does Your Project Require a Permit?

A building permit is your formal permission to begin construction or demolition. It means that the Township has reviewed the plans for any new structure, addition or renovation.

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General Information

Inquiries respecting Building Permits may be directed to Chief Building Official Jake Detlor at 613 378 1714 or by email at: . Click here to download the Building Permit Application.

The Building Department ensures all buildings are erected in accordance with Ontario Building Code, Township of Stone Mills By-Laws, and other applicable legislation. The department provides zoning compliance requests and building code information to the public and provides technical advice to Council, Committees and other municipal departments.

Projects Requiring A Building Permit

  • Construction of a new building
  • Installation or modification of heating, plumbing, air conditioning systems or fireplaces
  • 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
  • Renovate, repair or add to a building
  • Install an in ground or above ground pool, spa, whirlpool, or hot tub
  • Reconstruct a chimney.

Projects Not Requiring A Building Permit

  • Painting or decorating
  • Install siding on small residential buildings
  • Build a utility shed under 161 square feet
  • Re-shingle a roof, provided there is no structural work
  • Install eaves troughs, provided that drainage is contained on your property
  • Replace dry-wall or plaster
  • Replace existing, same-size doors and windows
  • Install kitchen or bathroom cupboards without plumbing
  • Erect a fence (except for swimming pools ­ outside pools require permits)

If you are in doubt whether a building permit is required or not respecting your project, please call us at the building department and we will be glad to answer any questions or concerns.