Not every seller wants — or can find — a like-kind replacement property. An installment sale offers a different kind of relief: instead of paying tax on the whole gain in the year of sale, you finance the buyer and report the gain proportionally as you collect the payments. Done well, it smooths a large gain across several years and lower brackets. Done carelessly, it collides with depreciation recapture, an interest charge on big notes, and the credit risk of your buyer. Here is how Section 453 actually works.
- An installment sale under Section 453 lets you report capital gain as you receive payments, rather than all at once in the year of sale.
- Spreading the gain can keep you in lower capital-gains brackets and below the 3.8% NIIT threshold in each year.
- Depreciation recapture is not deferred — Section 1245 and ordinary Section 1250 recapture is taxed in full in the year of sale, even before you collect.
- Notes over $5 million trigger a Section 453A interest charge on the deferred tax, and the buyer's interest payments are ordinary income to you.
How the installment method works
When you sell property and receive at least one payment after the year of sale, Section 453 makes the installment method the default. You calculate a gross profit ratio — your total gain divided by the total contract price — and apply it to each principal payment you receive. That fraction of every payment is taxable gain; the rest is a tax-free return of your basis.
Example: you sell for $2,000,000 with a $500,000 gross profit, a 25% gross profit ratio. Collect $400,000 of principal this year and $100,000 of it is taxable gain; the remaining $300,000 is return of basis. The interest the buyer pays you on the note is separate and taxed as ordinary income.
Why sellers use it
The appeal is rarely just deferral for its own sake — it is rate management and flexibility:
- Bracket smoothing. Spreading a large gain over several years can keep more of it in the 15% capital-gains bracket instead of the 20% one.
- NIIT management. Smaller annual gains may keep your MAGI below the 3.8% net investment income tax threshold in some years.
- Deal-making. Seller financing can close a sale that bank financing can't, often at an attractive interest rate to you.
- Income stream. The note produces predictable interest income, useful in retirement.
What it does not defer
The most important limitation surprises sellers of depreciated property: depreciation recapture is not eligible for installment treatment. Under Section 453(i), recapture income — Section 1245 recapture and the ordinary-income portion of Section 1250 recapture — must be recognized in full in the year of sale, regardless of how little cash you have actually received. Only the remaining capital gain (including the unrecaptured Section 1250 gain taxed at up to 25%) is spread under the installment method.
For a heavily depreciated building, that can mean a real tax bill in year one with relatively little cash in hand — a cash-flow trap worth modeling before you sign. Dealer property, inventory, and publicly traded securities also cannot use the installment method.
The Section 453A interest charge and imputed interest
Two interest issues attach to installment notes. First, you must charge the buyer adequate stated interest; if the rate is too low, the IRS imputes interest at the applicable federal rate under Sections 483 and 1274, recharacterizing part of your principal as interest income.
Second, for larger deals there is a cost to the deferral itself. Under Section 453A, if your outstanding installment obligations from sales over $150,000 exceed $5 million at year-end, you owe an annual interest charge to the IRS on the deferred tax attributable to the excess. In effect, the government charges you interest for the privilege of paying your tax late on very large notes — a factor that can erode the benefit on big transactions.
Risks and the comparison to a 1031
Financing your buyer means taking their credit risk. If the buyer defaults, you may have to repossess the property and untangle the tax consequences. Pledging or selling the note can also accelerate the entire deferred gain into income. These are manageable with security interests and underwriting, but they are real.
Against a 1031 exchange, the trade-offs are clear. A 1031 defers the entire tax — recapture included — but requires reinvestment in like-kind property on a strict 45/180-day clock. An installment sale defers only the capital-gains portion, leaves recapture taxable now, but lets you exit real estate entirely and collect cash over time. The two can even be combined: a partial 1031 with seller financing on the boot. We compare the full menu in tax deferral strategies compared.
Frequently Asked Questions
Does an installment sale defer all my tax?
No. It spreads the capital-gains portion of your gain over the years you receive payments, but depreciation recapture (Section 1245 and ordinary Section 1250) is taxed in full in the year of sale regardless of payments received.
What is the Section 453A interest charge?
An annual interest charge owed to the IRS on the deferred tax when your outstanding installment obligations from sales over $150,000 exceed $5 million at year-end. It effectively prices the deferral on very large notes.
Is the interest the buyer pays me taxable?
Yes, as ordinary income, separate from the gain on the property. If you charge too little interest, the IRS will impute it at the applicable federal rate.
Can I combine an installment sale with a 1031 exchange?
Yes. A common structure is a partial 1031 exchange with seller financing on the non-exchanged portion, though the interplay is technical and should be structured with a qualified intermediary and CPA.
Can I elect out of the installment method?
Yes. The installment method is the default, but you can elect out and report the entire gain in the year of sale — sometimes preferable if you expect higher rates later or want to use current-year losses.
Glossary
- Installment Sale
- A sale in which at least one payment is received after the year of sale, allowing gain to be reported as payments come in under Section 453.
- Gross Profit Ratio
- Total gain divided by total contract price; the fraction of each principal payment that is taxable gain.
- Section 453A Interest Charge
- An annual interest charge on deferred tax for installment obligations exceeding $5 million.
- Imputed Interest
- Interest the IRS treats as charged when a note's stated rate is below the applicable federal rate.
Disclosures
This memo is published by Baker 1031 for general informational and educational purposes only. It is not investment, legal, or tax advice, and is not an offer to sell or a solicitation to buy any security. Tax rules, rates, and thresholds are complex, depend on your individual circumstances, and change over time; consult your own CPA and attorney before acting.
Securities offered through Aurora Securities, Inc., member FINRA / SIPC; Baker 1031 Investments is independent of Aurora Securities, Inc. Private placements referenced are sold only to verified accredited investors and involve substantial risk including loss of principal.
