The forms file themselves on a schedule, whether or not anyone talked to the homeowner first. A cadence that runs on the same clock is what keeps a builder ahead of the conversation instead of reacting to it.
Key takeaways
A Tarion warranty form does not wait for a phone call. The Initial Form starts accepting items the day after possession and auto-submits on day 41, the Mid-Year Form auto-submits on day 183, and the Year-End Form auto-submits on day 365, with a 10-day grace period for late items — automatically, on the same schedule for every home Tarion tracks, whether or not the builder ever picked up the phone. A communication plan that runs on that same clock is the difference between a call that reassures a homeowner and one that arrives after Tarion already has the claim.
The full form sequence, verbatim from Tarion’s own timeline page, runs: the Initial Form opens the day after possession and auto-submits on day 41; the Mid-Year Form opens on day 42 and auto-submits on day 183; the Year-End Form opens on day 183 and auto-submits on day 365, with a further 10-day grace window for late submissions; a Second-Year Form can be filed any time in year two; and a Major Structural Defect Form can be filed any time from year two through year seven. See the full schedule on Tarion’s claim forms and timelines page
None of that requires the builder’s cooperation. A homeowner logs into their MyHome account and adds an item whenever something bothers them, and the form files itself on the date above regardless of whether anyone from the builder’s office has been in touch since the pre-delivery inspection. Silence does not slow the clock — it just decides who the homeowner is talking to when the form lands: the builder, because someone called first, or Tarion, because no one did.
Tarion’s Registrar Bulletins are operational policy statements “enforced through vendor builder agreements”, and RB01 — the Customer Service Standard, effective May 1, 2024 — puts homeowner communication inside that framework rather than leaving it as a courtesy. How to actually keep up with those bulletins, and the parallel HCRA directives, is its own problem
Once a form is submitted, it triggers a 120-day initial builder repair period during which the builder is expected to address covered items — and for warranties starting on or after May 1, 2024, a homeowner may request conciliation any time after a form has been submitted, up until the next form submission date. That is a materially shorter fuse than the pre-2024 rule, which gave homeowners 40 days after the repair period ended to request conciliation. A builder who is only reacting to the form, rather than communicating before it, is giving up real time on that window without meaning to.
Some of what shows up on a claim form will not be covered, and saying so clearly — and early — heads off a dispute later. Tarion’s warranty excludes ordinary wear and tear, damage from the homeowner’s own alterations or neglect, and appliances (which fall under the manufacturer’s warranty instead); purely cosmetic issues discovered well after possession, without documentation, can be harder to establish. A homeowner who hears this at the PDI, in plain language, is far less likely to treat a denial four months later as a surprise.
The reverse matters just as much: a major structural defect requires a failure of a load-bearing element, or a defect that materially and adversely affects the use of the building as a home, and settlement cracks that are cosmetic in nature typically do not meet that threshold. Flagging up front which category a reported issue is likely to fall into — documented cosmetic item, or genuine structural concern headed for an engineer’s assessment — keeps the conversation grounded before either side has committed to a position.
Mapped against the form schedule above, four proactive touchpoints cover the first year without inventing a new system: at the PDI, confirm what was documented and walk through the coming form dates in plain language; a check-in call or email in the first month, ahead of the day-41 auto-submission, asking directly whether anything has come up since move-in; a second check-in around month five or six, ahead of the day-183 Mid-Year auto-submission, timed for the seasonal issues — a leak that only shows up in heavy rain, an HVAC problem that only surfaces once the system has run a full season — that treadstonelaw’s guide to the two forms describes as exactly the category the Year-End Form exists to catch; and a year-end walk-through offered before the day-365 deadline, rather than waiting for the Year-End Form to arrive with items the builder is hearing about for the first time.
Each touchpoint is a chance to resolve an item before it becomes a form entry that starts the 120-day repair clock and lands inside an RB01 audit trail. On a single home, running this by memory is manageable. Once a company is closing several homes a season, the claim volume that follows a closing cohort and which items keep recurring across a project are the two problems that decide whether the cadence above survives contact with actual volume.
A cadence only survives a busy season if one role is accountable for running it, and RB01’s framing points to who that should be: since the standard is enforced through the vendor builder agreement rather than a one-off gesture, the touchpoints belong with whoever manages the ongoing builder-homeowner relationship — typically a customer care coordinator on a production builder, or the office principal directly on a smaller one — not with site staff whose attention is on the next closing. Site superintendents still matter here: they are usually the ones who can say, honestly, whether an item flagged at PDI has actually been closed out before the day-41 window opens, which is exactly the information a customer-care call needs before it happens rather than after.
A builder closes a 12-home phase across three weeks in September. Applying the cadence: at each PDI (spread across the three closing weeks), the coordinator confirms documentation and reads through the form-date schedule with the homeowner in plain terms. In the second half of October, ahead of the earliest day-41 windows, the coordinator runs a short check-in pass across all 12 homes rather than waiting for the forms to file on their own. By March, ahead of the day-183 Mid-Year window for the earliest closings, a second pass specifically asks about anything that only showed up once the furnace or the drainage had been through a season. And by the following August and September — the day-365 mark for the same cohort — a year-end walk-through is offered proactively, home by home, rather than treated as the moment the builder first learns what is on the list.
No fixed count is published. RB01, Tarion's Customer Service Standard bulletin, is described as an operational policy statement enforced through the vendor builder agreement rather than a numeric requirement, so the obligation is a standard of conduct rather than a checklist of calls.
The 120-day initial builder repair period begins the moment the form is submitted, regardless of any prior conversation. For warranties starting on or after May 1, 2024, the homeowner can also request conciliation any time after that submission, up until the next form's window opens -- a shorter escalation path than before May 2024.
Tarion's Year-End Form is designed to auto-submit on day 365 after possession, and its own published timeline allows a further 10 days for late submissions on top of that date.
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