Installment Sale · Seller Carryback · October 2026

Installment Sales Gone Wrong: What Can Happen With a Seller Carryback

Carrying the note can spread your tax, and it can also turn a closed sale back into a project. Here is what goes wrong, the tax traps when a note gets redone, and how a structured installment sale keeps the tax treatment without making you the bank.

By Hans Goldstein, EA · Updated October 17, 2026

The short answer

When a seller carries the note, the buyer pays part of the price over years and you become the bank. It spreads the tax, but it also leaves you holding the buyer’s credit risk, the property tax and insurance worries, and a foreclosure you may have to run. A structured installment sale keeps the same installment-sale tax treatment, but the buyer pays in full at closing and a highly rated insurer’s assignment company makes your payments on a schedule you pick. You are not the bank, there is no note to chase, and it has to be set up before closing.

Thinking about carrying the note? Get your number first

Tell me the sale price and what the buyer is asking you to carry. I will tell you plainly whether carrying it makes sense, and what a structure where the buyer pays in full would net you.

Why sellers carry a note in the first place

Most carrybacks start the same way. The buyer is good for most of the price but cannot get a loan at a rate that makes the deal work, with commercial loan rates around 7% this fall. The seller, or the broker, says: I will carry part of it.

There are two real reasons it appeals. It helps a deal close that might die. And under IRC §453 the gain is taxed as principal arrives, not all in the year of sale, which can keep you out of the top brackets. Both are legitimate. The trouble is what you take on to get them. For the full rules, see our page on whether to carry the note.

Three ways it goes wrong

These are composites built from common situations. Names and numbers are made up for illustration.

Dana and the payments that slowed down

Dana sold a small apartment building and carried a $600,000 note for a buyer with a strong story and a thin down payment. For two years the checks arrived on time. Then a few came late, then one did not come at all. The buyer promised to catch up. Dana could chase it, forgive a month to keep things calm, or start foreclosure. Each choice had a cost. She spent a year being a collector at an age when she had planned to be retired.

The Reyes family and the property they got back

The Reyes family sold a rental and took back a second-position note behind a bank. When the buyer stopped paying, the bank moved first. To protect their note, the family had to cure the bank’s loan, then take the property back. It came back with postponed repairs, a tax bill in arrears and a lawyer’s invoice. Their tax treatment on the repossession was also not what they expected (see §1038 below).

Walt and the note he left behind

Walt carried a note for fifteen years. When he died, the note went to his three children. None had asked to be lenders, one lived out of state, and the unpaid gain was taxable income to them as payments came in. They spent months deciding whether to sell the note at a discount, hold it, or hire a servicer.

What can go wrong, plainly

For more on the default question, see what if the buyer defaults. A partner write-up on the tax side of defaults and payoffs is at installmentsalecalculator.com.

Tax traps when a note gets redone

The installment method spreads your gain only while the note stays a note. Several common fixes end that. Here are the main ones, in plain language. Your CPA applies them to your facts.

What happensTax effectRule
You sell the note (often at a discount)Counts as a disposition. The remaining gain is taxed, and you take the discount on top.IRC §453B(a)
You borrow against the noteOn a sale over $150,000, the loan proceeds are treated as a payment received, so gain is taxed.IRC §453A(d)
The loan terms are changed a lot (rate, due dates, adding or swapping parties)A significant modification is treated as swapping the old note for a new one, which can be a disposition. A yield change of more than the greater of 0.25% or 5% of the annual yield, or pushing payments out past a safe-harbor period, can trigger it. Exceptions exist when a buyer is in or near default.Treas. Reg. §1.1001-3
You forgive or reduce principalCancelling or making the note unenforceable is treated as a disposition. If the buyer is related to you, the note is valued at no less than face.IRC §453B(f)
You take the property backOn real property, gain is limited to cash received less gain already reported, with other caps, and no loss is allowed. It works, but it is not a free reset.IRC §1038
The buyer pays off earlyAll remaining gain is taxed in the year the balance arrives.IRC §453
Large notesIf your year-end installment obligations from qualifying sales exceed $5,000,000, an interest charge applies on the tax you are postponing. Personal-use and farm property are excluded.IRC §453A(c)

Sources: IRS Publication 537 walks through repossession, selling or cancelling a note and the interest charge, and Form 6252 reports the sale each year. Rates on the note must also meet the applicable federal rate; for October 2026 the mid-term rate is 4.61% (Rev. Rul. 2026-19).

How a structured installment sale avoids it

The idea is simple. The buyer pays the full price at closing, as in a cash sale. The part of the price you want paid over time goes to an independent assignment company. That company owes you payments on a schedule you choose, and it funds them with an annuity it owns from a highly rated life insurer. Same installment-sale tax treatment under §453. You are not the bank and you never hold the buyer’s note.

Go back to the stories:

One requirement: it has to be written into the purchase contract before closing. Once the money lands in your account, it is a cash sale. Read how a structured installment sale works and how it differs from carrying a note.

What to know

This is not for everyone, so here are the trade-offs once. The payment schedule is fixed. There is no growth upside, and you cannot accelerate payments or borrow against them (see accelerating or borrowing). Your payments depend on the claims-paying ability of the assignment company and the insurer behind it, so ratings are checked at the time of sale; state guaranty protection has limits and is not something to rely on. There is no published IRS ruling on this exact assignment structure, so have your CPA review it. On a funded structure the insurer pays a one-time commission to the brokerage firm that places it, built into the annuity pricing, not a separate fee.

Not a monetized installment sale, not a deferred sales trust

These get mixed up with the above, so a short distinction. In a monetized installment sale, an intermediary buys the property for a long note, often interest only with the principal due at the end, and the seller receives most of the cash now through a loan. The IRS put monetized installment sales on its Dirty Dozen list of potentially abusive arrangements (IR-2023-65). In a structured installment sale you get no loan against the payments: you receive the payments over time, and nothing is paid early. A deferred sales trust is a different design again, with a trust that holds the proceeds. See the monetized installment sale warning and deferred sales trust vs structured installment sale.

Mixing it with a 1031 exchange or a smaller carry

You do not have to put the whole sale in one bucket. Some sellers take part in cash, roll part into a 1031 exchange or a Delaware statutory trust, and structure the rest. Others carry a small note behind a bank and structure the larger piece. A carried note inside a 1031 is treated as boot unless it is handled inside the exchange. See using a 1031 exchange and an installment sale together, a partial structured sale and a structured sale plus a small carryback.

Who this is not for

If that is you, say so. The first call is meant to tell you plainly when carrying the note, or a plain cash sale, is the better answer. Run your own numbers with the sell for less, net more calculator, the structured sale calculator or the seller net sheet after tax.

Next step

Before you agree to carry anything, take 15 minutes. Book the free 15-minute call or call (213) 414-2808. We will talk about your best tax and personal outcomes for your sale, with the numbers for your situation. Hans Goldstein, EA does not charge for this call; a written analysis is $5,000 if you want one.

Related: traditional installment sale, when an installment sale is not possible, every option compared.

Before you read further

What is the tax bill on your property sale going to be?

Send me the sale price and rough basis. Within one business day I'll email you the actual number and the Seller's Guide to §453. If it doesn't fit your deal, I'll tell you that plainly.

Hans Goldstein, EA
Admitted to practice before the IRS

No retainer · no obligation. Hans Goldstein, a licensed insurance agent (CA Insurance License #4273294), will contact you and may discuss insurance products, including annuities.

Frequently asked questions about installment sales and seller carryback

What can go wrong if I carry the note on a sale?

The buyer can pay late or stop, you may have to foreclose and take the property back, you carry the risk on property taxes and insurance, your payout depends on one buyer, and if you die your heirs inherit the note and the unpaid gain. A redone note can also trigger tax.

Is a seller carryback an installment sale?

Yes. When you receive at least one payment after the year of sale, the gain can generally be taxed as you receive principal under IRC §453 and reported on Form 6252. A structured installment sale uses the same tax rule but the buyer pays in full at closing.

Does changing the terms of an installment note trigger tax?

It can. A significant modification under Treas. Reg. §1.1001-3 can be treated as an exchange of the old note for a new one, which can be a disposition under IRC §453B. Changes to the rate, due dates or parties are the usual triggers. Ask your CPA before any change.

What happens to the tax if I take the property back?

For real property sold on a purchase-money debt, IRC §1038 limits the gain you report on repossession and does not allow a loss. The rules have several caps, so get your CPA to run it. Publication 537 covers the basics.

Can I borrow against an installment note?

On a sale over $150,000, IRC §453A(d) treats the net loan proceeds as a payment on the note, so gain is taxed when you borrow.

What if the buyer pays off the note early?

All remaining gain is taxed in the year the balance is paid. Early payoff ends the spreading of your tax.

What happens to a seller carryback note when the seller dies?

The note passes to the estate or heirs. The unpaid gain is income in respect of a decedent under IRC §691, with no step-up on that gain. See our page on what happens at death.

How does a structured installment sale avoid these problems?

The buyer pays in full at closing. An independent assignment company, funded by a fixed annuity from a highly rated life insurer, pays you on a schedule you choose. There is no buyer note to default, foreclose or modify. It has to be in the contract before closing.

Is a structured installment sale the same as a monetized installment sale?

No. A monetized installment sale pays you most of the cash up front through a loan, and the IRS has listed it among potentially abusive arrangements (IR-2023-65). In a structured installment sale you get payments over time and no loan.

What are the downsides of a structured installment sale?

The schedule is fixed with no growth upside, you cannot accelerate or borrow against it, payments depend on the claims-paying ability of the assignment company and insurer, and it must be set up before closing.

Can I carry a small note and structure the rest?

Yes. Some sellers take cash, roll part into a 1031 exchange or a Delaware statutory trust, carry a small note behind a bank, and structure the balance. Your CPA and attorney should review the mix.

How do I find out what makes sense for my sale?

Book the free 15-minute call or phone (213) 414-2808. We will go through the price, your basis, what the buyer wants you to carry, and what each route nets after tax.

Sources and dates

Who wrote this?

About the author

Hans Goldstein, EA, works with sellers on IRC §453 installment sales. He is admitted to practice before the IRS. Tax and exit-planning analysis: Hans Goldstein: Tax & Exit Planning. Annuity placement for structured installment sales: Goldstein & Co. LLC dba Goldstein Insurance Services, CA ins. lic. #4273294. Hans is not a CPA or attorney, and this page is education, not tax or legal advice; have your CPA and attorney review your facts. A commission is paid only if a structured installment sale is funded.

Talk to Hans: hans@goldsteinco.net · 213-414-2808

Hans Goldstein, NPN 20602398

📚 Get the free Seller's Guide to §453 + a fit-check

A plain-English guide for sellers on how a structured installment sale can help you net more after tax when you sell a business, practice, or property. It covers the math, the alternatives, and how to tell if your deal fits.

Leave your details and the PDF downloads right away. Within one business day Hans will email a preliminary read on which structure fits your deal. No retainer. On a funded structure, the insurer pays a one-time commission of about 4% of the amount structured to the brokerage firm that places it (Hans’s share is about 2.4%; no trail). It is built into the annuity pricing, not a separate fee.

More details (optional)
Hans Goldstein, EA
Admitted to practice before the IRS

📞 Hans Goldstein · 213-414-2808 · CA Insurance License #4273294 · Independent §453 specialist · Goldstein & Co. LLC

Hans Goldstein, a licensed insurance agent (CA Insurance License #4273294), will contact you and may discuss insurance products, including annuities.

Talk to Hans Book 15 min Call

Hans Goldstein is an Enrolled Agent, admitted to practice before the Internal Revenue Service. Not affiliated with or endorsed by the IRS. General education, not tax or legal advice for your situation.