The New $50,000 First-Time Home Buyer GST Rebate: How It Actually Works in 2026
Direct answer: if you are a first-time buyer purchasing a new-construction home in Ontario for $1 million or less, you can now recover the full 5% federal GST on that purchase - up to $50,000 - thanks to a law that received Royal Assent in March 2026. Here is exactly how it works, who qualifies, and how it stacks with what Ontario is already offering first-time buyers.
What Actually Changed
Bill C-4, the Making Life More Affordable for Canadians Act, received Royal Assent on March 12, 2026, creating the new First-Time Home Buyers GST/HST rebate. For new homes priced at $1 million or less, eligible purchasers can recover the full 5% GST portion - a maximum rebate of $50,000. Between $1 million and $1.5 million, the rebate phases out on a straight-line basis: a $1.25 million new home, for example, qualifies for 50% of the maximum rebate, or $25,000. Above $1.5 million, the rebate is gone entirely.
Who Actually Qualifies
This rebate applies to new construction bought directly from a builder - not resale homes, which do not carry GST in the first place. To qualify, the agreement of purchase and sale needs to have been signed with the builder on or after March 20, 2025, and the program runs through 2031. At least one purchaser on title needs to meet the first-time buyer definition, and the home generally needs to be intended as a primary residence, not a rental or investment property. If you are buying with a partner and only one of you is a true first-time buyer, it is worth confirming your specific eligibility before you sign anything, since the rules around co-purchasers can get technical fast.
How You Actually Get the Money
Unlike a rebate you apply for months after closing and wait on, this one is typically credited directly at closing, the same way the existing GST/HST new housing rebate has always worked. The paperwork runs through Form GST190, the GST/HST New Housing Rebate Application for Houses Purchased from a Builder, completed jointly by you and the builder. In practice, that means the builder usually reduces the amount you owe on closing day by the rebate amount, rather than you fronting the full GST and waiting for a cheque from the CRA.
What This Means in Brampton Dollars
New townhomes and detached homes going up in Brampton, Caledon and parts of Mississauga frequently land right in the sweet spot of this program - well under the $1 million threshold where you capture the full $50,000. On an $850,000 new build, 5% GST would normally be about $42,500; under this program, that comes back to you rather than getting folded into your closing costs. And this is separate from - and can be combined with - the provincial HST relief Ontario has been rolling out for new homes, along with the existing Ontario land transfer tax rebate of up to $4,000 for first-time buyers. Stacked together, the total incentive picture for a new-build purchase in the GTA right now is larger than it has been in years, though the exact combined number depends on your purchase price and the final status of the provincial program at the time you sign - your lawyer should confirm both before you rely on a specific total.
New Build vs. Resale: Does This Change the Math?
For years, resale has been the default recommendation for a lot of first-time buyers because of price and timeline certainty. This rebate genuinely shifts that math for anyone eyeing new construction under $1 million - a segment where Brampton and Caledon builders are actively building right now. It does not make new construction automatically the right call; occupancy delays, assignment risk and builder reputation still matter. But it removes one of the biggest cost disadvantages new builds used to carry against resale.
The Bottom Line
A federal rebate worth up to $50,000 is not something to leave on the table because the paperwork sounds complicated. If a new-construction home under $1 million is anywhere in your plans, this program alone is worth a conversation before you sign an agreement of purchase and sale - not after.
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Frequently asked questions
How much is the new federal First-Time Home Buyer GST rebate?
Eligible first-time buyers can recover the full 5 percent GST on new homes priced at $1 million or less, up to a maximum rebate of $50,000. The rebate phases out on a straight line basis between $1 million and $1.5 million.
Who qualifies for the First-Time Home Buyer GST rebate?
You generally need to be a first-time buyer purchasing a new build directly from a builder, with a purchase agreement signed on or after March 20, 2025 and before 2031. At least one purchaser must meet the first-time buyer definition and intend to use the home as a primary residence.
How do I actually claim the GST rebate?
The rebate is typically credited at closing through Form GST190, the GST/HST New Housing Rebate Application for Houses Purchased from a Builder, completed jointly by the buyer and builder - similar to how the existing new housing rebate has always worked.