Ontario New Home Sales Jump 130%: What the HST Rebate Surge Means for Realtors, Investors, and Builders

Ontario's new home market just delivered its strongest quarterly performance in years — and the numbers are turning heads across the province's real estate industry. New home sales in Ontario rose 130% year-over-year in the second quarter of 2026, a swing large enough to reshape conversations among realtors, real estate investors, and builders alike. The catalyst is Ontario's enhanced Harmonized Sales Tax (HST) rebate on new construction, a temporary but significant piece of tax relief that has fundamentally changed the math on buying new. This article breaks down exactly what happened in Q2 2026, how the Ontario HST rebate program works, which segments of the new construction market are benefiting most, and — most importantly — what it all means for the professionals who work in Ontario real estate every day.