Definition
Boot is any value received in a 1031 exchange that is not like-kind real property — typically cash left over after the trade, a net reduction in debt, or personal property bundled into the transaction. While the like-kind portion of an exchange can defer capital gains tax, boot is taxable to the extent of the gain realized. In short, boot is the part of an otherwise tax-deferred exchange that the IRS treats as a taxable receipt.
How Boot Works
Boot arises whenever an investor does not fully reinvest value and equity into the replacement property. It generally takes two forms:
- Cash boot. Money or non-like-kind property the investor actually receives — for example, leftover proceeds not reinvested into replacement property.
- Mortgage (debt-relief) boot. When the debt assumed on the replacement property is less than the debt paid off on the relinquished property, the net reduction is treated as boot.
- Combination. An investor can offset mortgage boot with additional cash contributed to the deal, but adding cash generally cannot be offset by taking on more debt.
Tax Treatment
Boot is recognized as gain in the year of the exchange, up to the total gain realized. The character of that gain follows the property: it may be capital gain, or it may be depreciation recapture taxed at a different rate. Because even a small structuring misstep — an unequal debt swap or unspent cash — can create boot, investors typically coordinate closely with a qualified intermediary and their CPA to structure a full-deferral exchange.
Key Characteristics
| Feature | Boot |
|---|---|
| What it is | Non-like-kind value received in an exchange |
| Common forms | Cash boot; mortgage/debt-relief boot |
| Tax effect | Taxable to the extent of gain realized |
| How to avoid | Reinvest all equity; match or exceed value and debt |
| Character of gain | Capital gain and/or depreciation recapture |
Important Considerations
Boot is not a penalty — it is simply the taxable slice of an exchange — but it can meaningfully reduce the deferral an investor intended. Debt-relief boot in particular is easy to overlook, since it can arise with no cash ever changing hands. Real estate transactions also carry market, tenant, and financing risk, including possible loss of principal, independent of the tax analysis. Confirm how boot would apply to your specific transaction with your CPA before closing.
Related Terms
- 1031 Exchange — the transaction in which boot can arise
- Like-Kind Property — the property standard boot falls outside of
- Depreciation Recapture — a possible character of boot-related gain
This definition is educational only and is not investment, tax, or legal advice. The tax treatment of boot depends on the specifics of your transaction, and real estate investments carry risk including possible loss of principal. Confirm current rules and your specific treatment with your CPA.
See How Full Reinvestment Affects Your Exchange
Estimate the capital gains you could defer by reinvesting all equity into like-kind replacement property.