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How to Layer Ontario's HST Rebate With Your Maxed FHSA and Pull $75,000 More Toward a Down Payment
By Erin Fraser profile image Erin Fraser
3 min read

How to Layer Ontario's HST Rebate With Your Maxed FHSA and Pull $75,000 More Toward a Down Payment

A couple buying a pre-construction townhouse in Kitchener-Waterloo in March 2026 can walk into closing with $75,000 more capital than they had 18 months earlier without changing jobs, selling assets, or taking on debt. The mechanism isn't complicated. It's stacking three tax-sheltered vehicles in the right order: the FHSA, the Home Buyers' Plan, and the HST New Housing Rebate.

Most buyers know about one or two of these. The mistake is treating them as alternatives instead of layers.

The FHSA comes first because it doesn't require repayment

The First Home Savings Account lets you contribute $8,000 per year, up to $40,000 lifetime. Contributions are tax-deductible. Withdrawals for a qualifying home purchase are tax-free. That's better than the Home Buyers' Plan, which is essentially a 15-year interest-free loan you give yourself from your RRSP. The FHSA is a permanent grant.

If you're buying as a couple, you can each max an FHSA. That's $80,000 in tax-sheltered capital. At a 30% marginal tax rate, the contribution also generates roughly $24,000 in tax refunds over the years you're contributing. That refund can go straight into moving costs or closing expenses.

The timeline matters. You have 15 years to use the FHSA before the funds must be moved to an RRSP or withdrawn taxably. Most buyers contributing $8,000 annually hit the $40,000 cap in five years. If you're starting in 2026, you'll be ready to buy by 2031 without rushing.

The Home Buyers' Plan fills the gap when the FHSA isn't enough

Once the FHSA is maxed, the HBP becomes useful. As of 2026, you can withdraw up to $60,000 from your RRSP tax-free for a first home purchase. A couple can pull $120,000. Combined with two maxed FHSAs, that's $200,000 in tax-advantaged capital, enough for a 20% down payment on a $1 million property.

The catch: you must repay the HBP over 15 years, starting the second year after withdrawal. Miss a year and the unpaid amount gets added to your taxable income. The FHSA has no such requirement.

Use the HBP only after the FHSA is fully deployed. If you have $50,000 total to put toward a home, put $40,000 in the FHSA and $10,000 in the RRSP, then withdraw the RRSP portion under the HBP. You'll avoid the repayment burden on the larger amount.

The HST rebate is the final layer, and it only works on new construction

Ontario's HST New Housing Rebate allows buyers to recover a portion of the 13% tax paid on a new-build primary residence. The provincial rebate is capped at $24,000. The federal portion phases out for homes priced above $350,000 and disappears entirely at $450,000, but the provincial piece remains available for higher-value properties up to certain thresholds.

Here's where buyers lose money: many builders include the rebate in the purchase price and keep it. You must confirm in the Agreement of Purchase and Sale whether the rebate is being assigned to you or retained by the builder. If the builder is keeping it, the listed price should reflect that. If it doesn't, you're paying for a rebate you won't receive.

The rebate only applies if you intend to occupy the home as your primary residence. Investors buying pre-construction units to rent do not qualify and must pay the full HST upfront.

The Ontario Land Transfer Tax refund is automatic if you qualify

First-time buyers in Ontario can claim a refund of up to $4,000 on the provincial Land Transfer Tax. This applies to both new builds and resale homes. Unlike the HST rebate, you don't need to ask the builder for it, it's claimed directly through your lawyer at closing.

The refund doesn't stack with the Toronto Land Transfer Tax refund if you're buying in the city, but it does stack with everything else on this list.

Combined: two maxed FHSAs ($80,000), two HBP withdrawals ($120,000), the HST rebate (up to $24,000), and the LTT refund ($4,000). That's $228,000 in tax-sheltered or rebated capital. Subtract closing costs and you're still pulling $75,000 more toward the purchase than you would without these tools.

The constraint is time. Start now.