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Building Department

395 Mulock Drive, Newmarket,

905-953-5300 x 2400

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​A demolition on your property may require a Permit to Construct or Demolish.  For confirmation whether a building permit for the specific demolition is required, please contact a Building Services Technician at Prior to any demolition activity starting, we recommend ensuring that the structure is not designated as a Heritage Structure.

​To submit an application for a Demolition Permit, please ensure you have the following documents:

  • A completed application form for a permit to construct or demolish
  • Site plan that clearly outlines the proposed demolition

Required Review​

A Professional Engineer may be required to undertake the general review of the demolition if the building falls within the following criteria:

  1. The building exceeds three (3) storeys or 6460 square feet
  2. The building includes pre-tension or post-tension members
  3. Demolition extends into the angle of repose of adjacent buildings
  4. Demolition includes the use of lasers or explosives

 Requiremen​ts during demolition:

  1. ​The Town streets affected by the demolition shall be cleaned daily for any rubble or debris
  2. All rubble and debris shall go to a Ministry of Environment approved landfill site
  3. Upon completion of the demolition, the site shall be left graded and level ready for any new proposed development and inspection approval obtained​