Bonus Depreciation

Cost Segregation Studies: How Real Estate Investors Turn a Building Into Five-Figure Tax Savings

A cost segregation study reclassifies a building's components into shorter MACRS lives, unlocking the 100% bonus depreciation permanently restored by the One Big Beautiful Bill Act of July 2025. On a $1M residential rental, that swings first-year tax savings from roughly $10,700 to roughly $90,600—provided the investor clears IRC §469 passive activity loss limits.