{"id":915,"slug":"tarion-lat-30-day-appeal-window-decision-letter","title":"Tarion LAT appeals — 30 calendar days from Decision Letter (vs HCRA's 15 days); first hearing ~37 days, decision ~40 days post-hearing","kind":"reference","scope":"business","status":"current","audiences":["kevin","candid-team"],"topics":["gc-vertical","tarion-warranty","regulatory-signals"],"reference_body":"**Claim:** Homeowners who disagree with a Tarion decision can appeal to the **Licence Appeal Tribunal (LAT)** within **30 calendar days** of a Decision Letter. Process:\n\n- Request a Decision Letter from Tarion.\n- File a Notice of Appeal with LAT within 30 days of the Decision Letter.\n- LAT can confirm, vary, or overturn Tarion's decision.\n- First hearing event typically about **37 days** after a complete application.\n- Final written decision typically follows within **40 days** of the hearing.\n\n**Source:** Tribunals Ontario LAT info sheet (LAT_ONHWPA_InformationSheet.pdf).\n\n**Confidence:** Verified.\n\n**Important distinction from HCRA appeals:** HCRA-related orders/NOPs get **15 calendar days** to LAT — see [[lat-15-day-appeal-window-for-hcra-orders]]. Tarion-related decisions get **30 days**. Don't mix them up in client work.\n\n**Self-represented success rate:** NSRLP advocate Barbara Captijn writes that \"**Most SRLs lose their cases**\" when facing Tarion at LAT. No published numeric rate exists from Tribunals Ontario. Treat as [Reported], not [Verified]. The often-cited \"over 80%\" figure is not corroborated by an official source.\n\n**For Candid use:** When discussing buyer recourse, the honest summary is: LAT is a real path but a tough one for self-represented homeowners. Builder-side clients should know this is the final administrative-law option homeowners have before civil court.","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"lat-15-day-appeal-window-for-hcra-orders","title":"HCRA Notice of Proposal / order appeals go to the Licence Appeal Tribunal within 15 calendar days; further review at Divisional Court on law","kind":"reference","scope":"business","link_type":"relates-to"}],"incoming":[{"slug":"research-brief-tarion-ontario-may-2026","title":"Research brief: Tarion Warranty Corporation — definitive reference (May 2026)","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"tarion-dispute-resolution-paths-mediation-baf-lat","title":"Tarion dispute resolution — DRS review, independent mediation (often NDA-bound), Builder Arbitration Forum (builders only), LAT, civil court","kind":"reference","scope":"business","link_type":"depends-on"}]},"created_at":"2026-05-24T14:19:39.511Z","updated_at":"2026-05-24T14:19:39.511Z"}