{"name":"BuildRules permit index: Oshawa","canonical_url":"https://buildrules.ca/permit-index/oshawa","generated_at":"2026-10-07T08:26:18.492Z","latest_verified":"2026-10-01","coverage":{"cities":1,"project_types":5,"city_project_answers":5,"official_source_urls":2},"methodology_url":"https://buildrules.ca/methodology","source_directory_url":"https://buildrules.ca/sources","records":[{"city":"Oshawa","city_slug":"oshawa","province":"Ontario","project":"Basement renovation","project_slug":"basement-renovation-permit","question":"Do you need a permit to finish a basement in Oshawa?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Oshawa lists finishing a basement among projects that require a building permit.","last_verified":"2026-10-01","official_source_count":2,"official_source_urls":["https://www.oshawa.ca/living-here/building-and-renovating/building-permits/","https://www.oshawa.ca/media-manager/media-pages/building-permits/ontario-building-code-guide-to-basement-secondary-suite/"],"buildrules_url":"https://buildrules.ca/oshawa/basement-renovation-permit"},{"city":"Oshawa","city_slug":"oshawa","province":"Ontario","project":"Basement secondary suite","project_slug":"secondary-suite-permit","question":"What do you need for a basement secondary suite in Oshawa?","guidance_status":"Depends on project conditions","direct_answer":"Adding a dwelling unit or apartment requires a building permit, and Oshawa publishes a dedicated 2024 Building Code guide for basement secondary suites.","last_verified":"2026-10-01","official_source_count":2,"official_source_urls":["https://www.oshawa.ca/living-here/building-and-renovating/building-permits/","https://www.oshawa.ca/media-manager/media-pages/building-permits/ontario-building-code-guide-to-basement-secondary-suite/"],"buildrules_url":"https://buildrules.ca/oshawa/secondary-suite-permit"},{"city":"Oshawa","city_slug":"oshawa","province":"Ontario","project":"Deck","project_slug":"deck-permit","question":"Do you need a permit for a deck in Oshawa?","guidance_status":"Depends on project conditions","direct_answer":"Oshawa lists sundecks, decks and porches as permit-required, but a house deck 600 mm or less above ground with no roof is permit-exempt.","last_verified":"2026-10-01","official_source_count":1,"official_source_urls":["https://www.oshawa.ca/living-here/building-and-renovating/building-permits/"],"buildrules_url":"https://buildrules.ca/oshawa/deck-permit"},{"city":"Oshawa","city_slug":"oshawa","province":"Ontario","project":"Home addition","project_slug":"home-addition-permit","question":"Do you need a permit for a home addition in Oshawa?","guidance_status":"Depends on project conditions","direct_answer":"Yes. Oshawa lists construction of any building or addition among projects requiring a building permit.","last_verified":"2026-10-01","official_source_count":1,"official_source_urls":["https://www.oshawa.ca/living-here/building-and-renovating/building-permits/"],"buildrules_url":"https://buildrules.ca/oshawa/home-addition-permit"},{"city":"Oshawa","city_slug":"oshawa","province":"Ontario","project":"Shed","project_slug":"shed-permit","question":"Do you need a permit for a shed in Oshawa?","guidance_status":"Depends on project conditions","direct_answer":"Oshawa requires a building permit for a shed larger than 15 m².","last_verified":"2026-10-01","official_source_count":1,"official_source_urls":["https://www.oshawa.ca/living-here/building-and-renovating/building-permits/"],"buildrules_url":"https://buildrules.ca/oshawa/shed-permit"}]}