An owner who carries the note on a sale, rather than requiring the buyer to pay in full at closing, has structured an installment sale real estate transaction, and the tax treatment is genuinely different from a normal cash sale. Instead of recognizing the entire gain in the year of the sale, the seller reports a proportional share of gain as each principal payment arrives, spread out over however many years the note runs. For an owner near Fishers or Greenwood selling a duplex or small commercial building to a buyer who could not otherwise qualify for financing, this can turn one large tax bill into several smaller ones without touching a 1031 exchange at all.
How the Gain Gets Spread Under Section 453
Under the installment method, a fixed percentage of every principal payment counts as taxable gain, calculated once at the outset by dividing total gain by the total contract price. If a seller financed a Speedway commercial building and forty percent of the sale price represents gain, forty percent of every principal payment received in years one through ten is taxable in that same year. Interest on the note is taxed separately as ordinary income and is never part of the gain calculation.
Depreciation Recapture Doesn't Wait for the Note
One detail catches sellers off guard: depreciation recapture on the property is generally taxed in the year of sale regardless of how the rest of the gain is spread across future payments. An owner who financed the sale of a rental near Lawrence or Beech Grove still owes recapture tax up front, even though the buyer is only paying a fraction of the price at closing, which can mean writing a check for tax on income the seller hasn't fully collected yet.
Where an Installment Sale Fits Compared to Other Tools
An installment sale spreads the tax liability across years rather than removing it, and it works best for an owner who wants ongoing interest income, a higher effective sale price than a cash buyer would pay, or a gradual tax impact rather than one large bill. It doesn't require identifying a new property or working inside any deadline, which makes it simpler to set up than an exchange, but it also leaves the underlying tax obligation intact rather than deferring it into a new asset.
When a 1031 Exchange Is the Better Fit Instead
An owner who would rather defer the gain into another property, keep the full sale proceeds working rather than trickling in as note payments, or avoid carrying buyer credit risk for a decade often finds a 1031 exchange the more useful structure. Some Indianapolis-area sellers combine the two, structuring a partial installment note alongside a 1031 exchange on the cash portion, though that blend requires careful coordination with a qualified intermediary before the closing documents are drafted. A DST placement can also serve as replacement property for the exchanged portion, for an owner who wants a passive hold rather than direct ownership of the next building.
Why Sellers Still Choose to Carry a Note
Seller financing isn't only a tax question; it's often the difference between selling at all in a market where a buyer for a small commercial building near Beech Grove or Speedway can't get conventional financing on the seller's timeline. Carrying the note can also let a seller ask a higher price than an all-cash buyer would pay, since the seller is effectively supplying the financing the buyer couldn't source elsewhere, and the resulting interest income adds a return that a straight cash sale never generates. That tradeoff has to be weighed against the risk of a buyer who stops paying partway through the note, at which point the seller is dealing with a workout or foreclosure rather than a clean exit.
Structuring the Note So the Tax Reporting Holds Up
An installment sale still needs a properly drafted note, a stated interest rate that meets IRS minimum requirements, and consistent reporting on Form 6252 for every year a payment is received. Sellers who informally agree to payment terms without documenting them correctly sometimes find the IRS recharacterizes the arrangement, which can accelerate the entire gain into the year of sale regardless of what was actually collected. Getting the note terms reviewed by a CPA before signing avoids that outcome far more reliably than fixing it after the first missed filing.