{"name":"BuildRules permit index: Newmarket","canonical_url":"https://buildrules.ca/permit-index/newmarket","generated_at":"2026-10-14T07:36:55.171Z","latest_verified":"2026-10-02","coverage":{"cities":1,"project_types":4,"city_project_answers":4,"official_source_urls":2},"methodology_url":"https://buildrules.ca/methodology","source_directory_url":"https://buildrules.ca/sources","records":[{"city":"Newmarket","city_slug":"newmarket","province":"Ontario","project":"Basement apartment / secondary suite","project_slug":"secondary-suite-permit","question":"Do you need a permit for an additional residential unit in Newmarket?","guidance_status":"Depends on project conditions","direct_answer":"Yes. A new ARU needs the correct building permits and inspections, and Newmarket also requires ARU registration.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.newmarket.ca/business-development/building-renovating/additional-residential-unit"],"buildrules_url":"https://buildrules.ca/newmarket/secondary-suite-permit"},{"city":"Newmarket","city_slug":"newmarket","province":"Ontario","project":"Basement renovation","project_slug":"basement-renovation-permit","question":"Do you need a permit to finish a basement in Newmarket?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Newmarket lists finishing a basement as work that requires a building permit.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.newmarket.ca/business-development/building-renovating"],"buildrules_url":"https://buildrules.ca/newmarket/basement-renovation-permit"},{"city":"Newmarket","city_slug":"newmarket","province":"Ontario","project":"Deck","project_slug":"deck-permit","question":"Do you need a permit for a deck in Newmarket?","guidance_status":"Depends on project conditions","direct_answer":"A permit is required if the deck is attached to the home, greater than 10 m² or 600 mm above grade.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.newmarket.ca/business-development/building-renovating"],"buildrules_url":"https://buildrules.ca/newmarket/deck-permit"},{"city":"Newmarket","city_slug":"newmarket","province":"Ontario","project":"Shed / accessory structure","project_slug":"shed-permit","question":"Do you need a permit for a shed in Newmarket?","guidance_status":"Depends on project conditions","direct_answer":"A detached structure greater than 15 m² requires a building permit. Standalone structures at or below 15 m² without plumbing are typically permit-exempt.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.newmarket.ca/business-development/building-renovating"],"buildrules_url":"https://buildrules.ca/newmarket/shed-permit"}]}