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Convert Primary to Rental + Cost Segregation Bonus

Live in home 2+ yrs (bank §121), then convert to rental and cost-seg for massive first-year depreciation.

Overview

Live in a home as primary for 2+ years to bank the §121 gain exclusion (available on partial exclusion basis if sold within 3 years of converting), then convert to rental. Immediately commission a cost segregation study to reclassify 20–35% of basis into 5/7/15-year property, generating $50K–$300K first-year depreciation via 2024–2027 bonus rules. Passive loss limits apply, but Real Estate Professional Status (REPS) or STR material-participation loophole can unlock the losses against ordinary income.

Best fit
Owner-occupants planning to keep home as rentalREPS-qualifying spouseSTR conversions
Estimated impact
$50K–$300K first-year depreciation offset

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