{"name":"BuildRules permit index: Milton","canonical_url":"https://buildrules.ca/permit-index/milton","generated_at":"2026-10-14T07:36:42.041Z","latest_verified":"2026-10-13","coverage":{"cities":1,"project_types":5,"city_project_answers":5,"official_source_urls":4},"methodology_url":"https://buildrules.ca/methodology","source_directory_url":"https://buildrules.ca/sources","records":[{"city":"Milton","city_slug":"milton","province":"Ontario","project":"Basement apartment / secondary suite","project_slug":"secondary-suite-permit","question":"Do you need a permit for a basement apartment in Milton?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Milton requires a building permit before adding a secondary suite.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.milton.ca/business-development/building-and-renovating/additional-residential-units-aru/build-an-aru/"],"buildrules_url":"https://buildrules.ca/milton/secondary-suite-permit"},{"city":"Milton","city_slug":"milton","province":"Ontario","project":"Basement entrance / walkout","project_slug":"basement-entrance-permit","question":"Do you need a permit for a basement entrance in Milton?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Milton requires a building permit for a new exterior opening, including a below-grade entrance.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.milton.ca/business-development/building-and-renovating/building-permits/exterior-openings/"],"buildrules_url":"https://buildrules.ca/milton/basement-entrance-permit"},{"city":"Milton","city_slug":"milton","province":"Ontario","project":"Basement renovation","project_slug":"basement-renovation-permit","question":"Do you need a permit to finish a basement in Milton?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Milton requires a building permit to finish any portion of a basement.","last_verified":"2026-10-02","official_source_count":1,"official_source_urls":["https://www.milton.ca/business-development/building-and-renovating/building-permits/finished-basements/"],"buildrules_url":"https://buildrules.ca/milton/basement-renovation-permit"},{"city":"Milton","city_slug":"milton","province":"Ontario","project":"Deck","project_slug":"deck-permit","question":"When does a deck need a permit in Milton?","guidance_status":"Depends on project conditions","direct_answer":"Milton requires a permit for decks attached to a building or structure, and freestanding decks greater than 10 m².","last_verified":"2026-10-13","official_source_count":1,"official_source_urls":["https://www.milton.ca/business-development/building-and-renovating/building-permits/decks/"],"buildrules_url":"https://buildrules.ca/milton/deck-permit"},{"city":"Milton","city_slug":"milton","province":"Ontario","project":"Windows / doors","project_slug":"window-door-permit","question":"Does Milton require a permit to add a new exterior window or door?","guidance_status":"Depends on project conditions","direct_answer":"Milton states that new exterior openings, including windows, doors, egress windows and below-grade entrances, require a building permit.","last_verified":"2026-10-13","official_source_count":1,"official_source_urls":["https://www.milton.ca/business-development/building-and-renovating/building-permits/exterior-openings/"],"buildrules_url":"https://buildrules.ca/milton/window-door-permit"}]}