When cancellation of debt (COD) income arises
If your lender forgives or cancels part of your rental property mortgage — through a short sale, deed-in-lieu, foreclosure on recourse debt, or loan modification — the forgiven amount is generally treated as cancellation of debt (COD) income under Section 61. The lender may issue a Form 1099-C reporting the cancelled amount.
The critical distinction is recourse vs. non-recourse debt. For non-recourse debt (the lender can only take the property, not pursue you personally), a foreclosure or short sale is treated entirely as a sale for the outstanding balance — producing gain or loss, but not COD income. For recourse debt where the lender forgives the deficiency, that forgiven amount is COD income.
Key exclusions under Section 108
Several exclusions in Section 108 can shield COD income from immediate taxation:
Insolvency exclusion: COD income is excluded to the extent you were insolvent at the time of cancellation (liabilities exceed assets). If your net worth was negative by $50,000 and you had $30,000 of COD income, all $30,000 is excluded. Use Form 982 to claim this exclusion.
Qualified real property business indebtedness (QRPBI): Section 108(c) allows taxpayers to exclude COD from debt incurred to acquire, construct, or substantially improve real property used in a trade or business. The exclusion is limited to the excess of the outstanding principal over the property's fair market value (adjusted for other excluded COD), plus unamortized acquisition discount. Excluding QRPBI reduces your basis in the property.
Bankruptcy exclusion: COD income while in a Title 11 bankruptcy case is fully excluded.
Basis reduction and the catch
Excluding COD income under most of these provisions is not free — it requires a basis reduction under Section 1017. When you exclude COD income, you must reduce the basis of your property (and potentially other assets) by the excluded amount. This deferred tax liability means the tax is not erased, it is deferred into a lower adjusted basis and higher gain (including recapture) on eventual sale.
Example: you exclude $80,000 of COD income under the insolvency exclusion on a rental property with $300,000 of remaining depreciable basis. The basis is reduced to $220,000. When you eventually sell, your gain is larger by $80,000, and more of it may be taxable as recapture or capital gain. The exclusion postpones the tax — often permanently if you do a 1031 exchange or hold until death.
Frequently asked questions
Is forgiven mortgage debt on a rental property always taxable?
Not always. The insolvency exclusion, QRPBI exclusion, and bankruptcy exclusion can shelter all or part of the COD income. Whether you qualify depends on your net worth at the time of cancellation and the type of debt.
What is the difference between a recourse short sale and a non-recourse short sale for tax purposes?
On a non-recourse loan, the entire transaction is treated as a sale for the outstanding debt — no COD income, but potentially a large taxable gain. On a recourse loan where the lender forgives the deficiency, the forgiven amount is COD income, separate from any gain or loss on the sale.
Does excluding COD income reduce my depreciation deduction?
Yes. Basis reduction under Section 1017 lowers the property's depreciable basis, which reduces future depreciation deductions and increases the eventual gain at sale.
Sources
Educational information and estimates only. Not tax advice. Tax rules change and vary by situation; consult a qualified tax professional before acting.