The Canada Revenue Agency stipulates that non-tax residents (such as investors from China, the United States or outside Canada) need to withhold 25% of their income from rental income from real estate in Canada. This withholding tax is often more than the actual amount payable.

海外买家税全称是Non-Resident Speculation Tax，简称NRST。NRST适用于在2017年4月21日或之后，对在大金马蹄地区 Greater Golden Horseshoe Region（GGH）购买住宅物业的海外买家，征收15％的海外买家税。

新买房GST/HST退税分为两种，一种是出租房退税 (GST/HST New Housing Rebates, 简称 NHR), 而另一种是自住房退税 (GST/HST New Residential Rental Property Rebates, 简称 NRRPR)。