Why would I choose an installment sale over a lump-sum sale?

Receiving the full sale price at once could push you into the highest tax brackets. Spreading payments over 5-30 years keeps each year's gain in lower brackets, potentially saving 10-15% in taxes on the total gain.

What interest rate do I charge?

The IRS requires at least the Applicable Federal Rate (AFR) to avoid imputed interest rules. You can charge more. The interest you receive is taxable as ordinary income, while the principal payments are split between return of basis and capital gain.

What if the buyer defaults?

You have security in the property (typically through a lien). If the buyer defaults, you can foreclose and repossess the property. You'd then adjust the gain/loss calculations based on what you actually received versus your basis.

Can I do an installment sale of my business?

Yes - this is common for business sales. You can structure earn-outs, seller financing, and milestone-based payments that spread the capital gain recognition over multiple years.

Are there any restrictions?

Installment sale treatment is not available for inventory sales, securities traded on established markets, or property sold at a loss. Related party sales have special rules and a 2-year holding requirement.

Tax Optimization

Installment Sale

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advanced · $250K - $500K

Instead of receiving full payment and paying all capital gains tax at once, structure sale as installment sale.

Receive payments over 5-30 years, pay tax only on gains received each year.

Great for large gains.

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Key takeaways

Instead of taking full payment at once, you receive it over years and pay capital gains tax only as payments arrive.
Spreading the gain can keep each year in lower brackets rather than spiking into the top.
You must charge at least the Applicable Federal Rate; interest received is ordinary income.
Not available for publicly traded securities, inventory, or property sold at a loss.

Requirements

Selling property with significant capital gains
Buyer willing to pay over time
Properly structured installment agreement

How to Implement

1Negotiate installment sale terms with buyer
2Structure payments over 5-30 years
3Calculate gross profit percentage
4Report gains proportionally each year on Form 6252

The bottom line
An installment sale smooths a large capital gain across years to manage brackets, at the cost of receiving your money over time and carrying buyer risk. It is common in business and property sales.

Frequently Asked Questions

Educational Only: This information is for educational purposes. Consult a qualified financial advisor or tax professional before implementing.

Last reviewed: April 2026

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Sources

Internal Revenue Service, Rev. Proc. 2025-32
2026 inflation-adjusted amounts (tax brackets, standard deduction, estate & gift, FSA, credits)
Internal Revenue Service, Notice 2025-67
2026 retirement plan limits (401(k), IRA, SIMPLE, catch-up)
Internal Revenue Service, Rev. Proc. 2025-19
2026 HSA and HDHP inflation-adjusted limits

Educational information only. Not financial, tax, or legal advice or a recommendation. Figures are drawn from the primary sources cited above; verify current amounts with the source before acting.