Can I Do Cost Segregation on a Condo Property I’m Developing and Selling the Units? Generally, no, Cost Segregation is designed for properties you hold as income-producing assets, not those you build with the intent to sell, as units held for immediate sale are treated as inventory and are not depreciable. If you are selling the condo units, you are typically classified as a real estate professional, and the units are treated as inventory rather than depreciable assets.
However, there is a crucial exception: if you decide to retain some units as rentals or for long-term investments, those specific units could qualify for Cost Segregation. Once those units are placed in service as income-generating properties, you can apply accelerated depreciation to maximize your tax benefits. Even for developers, there may be opportunities to capitalize certain costs during construction that can impact your overall tax strategy, making a review with a tax advisor worthwhile.
Cost Segregation for Developers: Key Facts
- General Rule: Cost Segregation is not applicable to units built with the intent to sell because they are classified as inventory, not depreciable assets.
- Exception: If you retain some units as rentals or for long-term investments, those specific units qualify once placed in service as income generators.
- Developer Classification: Selling units typically classifies the developer as a real estate dealer.
- Tax Strategy: Developers may still have opportunities to capitalize certain construction costs that impact their tax strategy.
- Actionable Next Step: Let ETS discuss your project and see how it can help you optimize your tax benefits for both development and long-term investment strategies.
Inventory vs. Depreciable Assets
The distinction lies in how the IRS classifies the property:
- Inventory (Property for Sale): If you are developing a multi-family condo complex with the clear intent to sell all the finished units, the entire project is considered inventory, and you are classified as a real estate dealer.Inventory is not a depreciable asset. Therefore, neither straight-line depreciation on developing and selling multi-family units nor accelerated depreciation through cost segregation is applicable. The costs are recovered when the units are sold, reducing your taxable gain (cost of goods sold).
- Depreciable Asset (Property for Rent): Cost segregation is designed to accelerate depreciation for properties that are “placed in service” for the production of income. This means properties you own and operate as long-term or short-term rentals.
The Developer's Key Exception
While you cannot apply a cost segregation on condo units you sell, there is a significant tax opportunity if you decide to retain any portion of the development for yourself:
- Retained Units: If you choose to keep one or more condo units (or an entire building) to operate as a rental property or a long-term investment, those specific units do qualify for cost segregation. Once these units are officially placed in service as income-producing assets, you can accelerate the depreciation on their non-structural components (like cabinetry, flooring, and site improvements) from the standard 27.5-year life to 5, 7, or 15 years.
- Accelerated Depreciation Benefit: By combining this strategy with bonus depreciation (currently phased down but still substantial), the retained units can generate significant paper losses in the first year, which can help offset your other active income if you meet the Real Estate Professional or Material Participation thresholds.



