Useful Links

Ontario.ca

https://www.ontario.ca/page/add-second-unit-your-house

Ontario Building Code PDF

https://www.buildingcode.online/

My Building Code

https://www.mybuildingcode.com/

Building a Second Suite in Barrie

https://www.barrie.ca/Living/Housing-and-Property/Pages/Second-Suites.aspx

Building a Second Suite in Brampton

https://www.brampton.ca/EN/residents/Building-Permits/second-dwelling/Pages/Welcome.aspx

Building a Second Suite in Markham

https://www.markham.ca/wps/portal/home/business/planning/planning-documents-and-studies/studies/second-suites

Building a Second Suite in Newmarket

https://www.newmarket.ca/LivingHere/Pages/Building%20and%20Renovating/Accessory-Dwelling-Units.aspx

Building a Second Suite in Stouffville

https://www.townofws.ca/en/residents/second-suites-accessory-apartments.aspx