Owning rental property means more than collecting rent—it means understanding property taxes. This 2025 guide explains how assessments differ for investment properties versus primary residences. Learn how to calculate your annual obligations, factor taxes into rental pricing, and plan for reassessments after renovations. We also cover when to appeal valuations and how taxes affect your return on investment. Whether you own a duplex, condo, or multi-unit complex, tax planning is critical for sustainable income. This guide gives landlords the insights they need to avoid financial missteps and keep their rental business profitable in the Canadian housing market of 2025.