The 45-Day Rule That Changes How Your Deposit Is Protected on a New Milton Home

What happens if you sign a purchase agreement for a new home in Milton this month and never touch a Tarion form again? For most of the program's history, the answer was: nothing changes. Your deposit protection existed the moment you signed, backed by a builder who had already done the enrollment work. As of this spring, that assumption is no longer safe to make.

Tarion, the corporation that administers Ontario's statutory new home warranty, now requires freehold purchasers to register their own purchase within 45 days of signing an agreement of purchase and sale. Miss that window, and your deposit protection doesn't disappear, but it moves from a guaranteed individual limit into a shared pool with a hard annual cap. In a city where the builder pipeline is dominated by freehold towns and detached homes rather than condos, that shift lands on more Milton buyers than almost anywhere else in the GTA.

The Old Assumption: Protection Ran on Autopilot

For years, the mechanics of Tarion coverage put almost all the paperwork on the builder's side. A registered builder enrolled the home, the buyer paid a deposit, and the seven-year warranty clock started at possession. The buyer's job was to show up for the pre-delivery inspection and flag anything damaged, missing, or not working before moving in.

Deposit protection worked the same passive way. If a builder went under before closing, Tarion's guarantee fund covered the loss up to the statutory limit, no extra step required from the person who wrote the check.

What Changed on April 1, 2026

Under Ontario Regulation 17/25, new freehold home purchasers, including those buying homes on parcels of tied land, must now notify Tarion of their purchase within 45 days of signing. The rule was originally set to take effect January 1, 2026, then extended to April 1, 2026, which means it has only been live for a few months as of this writing.

Buyers who register on time keep the full deposit protection limit currently available under the warranty program. Buyers who register late, or not at all, still get covered, but through a separate fund capped at $15 million annually, shared across everyone else who also missed the window. If total claims from late or unregistered buyers exceed that cap in a given year, payouts get prorated.

Here is the detail that puts the risk in perspective. Tarion's own figures show that prior to 2023, the average total amount of deposit claims paid out across the entire province was around $1 million a year. A $15 million shared fund is not a thin safety net. The real purpose of this rule is less about spreading buyers thin and more about giving Tarion and the Home Construction Regulatory Authority a faster way to spot builders who are selling homes illegally, since a buyer who registers is effectively confirming that a home exists and that a builder claims to be behind it.

That said, free and simple protection is still worth claiming in full. There is no reason to leave your coverage exposed to a shared cap when registering costs nothing and takes a few minutes.

Why This Bites Harder in Milton

The rule applies specifically to freehold purchases because freehold deposits work differently from condo deposits. Condo deposits are held in trust under the Condominium Act and the first $20,000 is insured directly by Tarion, with builders required to secure additional insurance beyond that. Freehold deposits go straight to the builder or vendor, with no trust account and no third-party holding the funds in the meantime.

Milton's active new-construction lineup is almost entirely freehold. Mattamy Homes is currently selling towns and detached homes at Hawthorne East Village, at Fourth Line and Louis Saint Laurent Avenue, with freehold village towns starting near $739,990 and single-car garage detached homes starting near $1,022,990. A few blocks over on the same corridor, Coscorp's Sweetbriar offers 71 freehold units starting in the low $969,900s. Great Gulf's Milton Village, at Tremaine Road and Bergamot Avenue, starts in the low $1.19 millions. All three are freehold product, which means all three fall under the new registration duty.

The one major counter-example is Mattamy's own condo tower, The Laurels, at the northwest corner of Britannia Road and Regional Road 25, on land Mattamy has owned for two decades after acquiring roughly 100 acres from Framgard Holdings Limited in 2005 for about $16 million. Suites there start in the high $400s with occupancy set for 2028. Because it's a condo, deposits are already trust-protected, and buyers there sit outside the new freehold registration requirement entirely.

If you're buying a townhome or detached home anywhere in Milton's current freehold wave, this table is the reason the 45-day clock matters to you specifically.

The 45 Days, Counted From Your Signature

Registration itself is straightforward. Here's what it actually involves:

1. Note the date you sign your agreement of purchase and sale. That's day one.
2. Go to Tarion's online registration portal and provide your contact information, the builder or vendor's name, the property address, and the deposit amount paid or owing.
3. Submit before day 45.
4. Watch for a welcome email confirming registration and outlining your warranty rights.

A lawyer or real estate agent can complete this step on a buyer's behalf, which matters if you're closing on a preconstruction contract while juggling financing, inspections, and a dozen other deadlines at once. The point is that someone has to do it. It no longer happens by default.

What Registering Doesn't Cover

Registering your purchase protects your deposit. It does not replace the other pieces of Tarion coverage that still require separate attention.

Delayed closing compensation is its own track. If a builder misses the Firm Closing Date without mutual agreement or an unavoidable delay, buyers can claim up to $7,500, built from a $150 daily living expense allowance plus documented moving or storage costs. That claim has to be filed with the builder within 180 days of the closing date, and with Tarion within a year if the builder doesn't resolve it.

The pre-delivery inspection matters just as much as it always has. Walk the home before you take possession, test every system, and put anything damaged, missing, or incomplete in writing on the official PDI form. That document is what establishes the home's condition before you move in, and it has nothing to do with deposit registration.

A Few Questions Worth Settling Before You Sign

Does the new registration rule apply to condo purchases? No. Condo deposits are already held in trust and partially insured, so the freehold-specific registration requirement doesn't extend to buyers at a project like The Laurels.

Who can register on my behalf? Tarion allows lawyers, real estate agents, or other representatives to complete registration for a purchaser, so it can be folded into the same paperwork trail your lawyer is already managing after you sign.

What if I already assumed my builder handled this? Don't. The builder's obligation is to provide you with the correct warranty information sheet describing the requirement. Confirming that Tarion actually has your registration on file is on you.

Milton's new-build market moves fast, and the paperwork behind it changes just as quickly. If you're weighing a freehold purchase at Hawthorne East Village, Sweetbriar, Milton Village, or any other project currently selling in Milton, Team Durrani can walk through what's actually in your agreement, what deadlines are running the moment you sign, and what to check at your PDI before keys change hands. Schedule a Consultation and get the deposit protection you're already paying for.