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Structured Installment Sale for Real Estate: How It Works
Most real estate investors think about taxes in terms of 1031 exchanges: defer everything, stay invested, and hope to never pay. But the 1031 isn't always available — and for investors who want to exit real estate ownership entirely, turn equity into guaranteed income, or can't find a suitable replacement property, a structured installment sale is often the better tool.
This guide covers how structured installment sales apply specifically to real estate, the §1250 depreciation recapture rules you need to understand before structuring a deal, and a worked example comparing the two paths.
What qualifies: real estate and IRC §453
Investment and business-use real estate — rental residential, commercial, industrial, farmland, and vacant land — generally qualifies for installment reporting under IRC §453. The only real estate that doesn't qualify is dealer property: real estate held primarily for sale to customers in the ordinary course of business (a homebuilder's lots, a developer's subdivided parcels, etc.).
If you own a rental property, a commercial building, a farm, or land held for investment or business use, you can use a structured installment sale to spread the gain over a multi-year payment schedule.
The depreciation recapture problem — and its limits
Every real estate investor who has claimed depreciation on a property faces the same issue at sale: the IRS wants a portion of those deductions back. This is depreciation recapture, and it has a specific treatment under the installment rules that sellers must understand before assuming the full gain can be deferred.
§1250 unrecaptured gain (25% rate)
For real property (buildings, improvements), prior depreciation creates "unrecaptured §1250 gain," which is taxed at a maximum federal rate of 25% — higher than the standard 15% or 20% long-term capital gains rate, but lower than ordinary income rates. This recapture portion must be recognized first — in proportion to early payments — before the regular long-term capital gain portion is deferred into later years.
In practice, this means the first few payments in a structured installment sale on a heavily depreciated property may carry a higher tax burden (25%) than the later payments (15%), because the recapture is absorbed before the appreciation gain takes over.
§1245 recapture on personal property
If the property includes personal property components — equipment, fixtures, tenant improvements depreciated under §1245 — those recapture amounts are ordinary income in the year of sale, regardless of when the installment payments arrive. This is true even if you elected to spread everything else over 10 years. §1245 recapture comes out immediately.
Key planning implication: a highly depreciated commercial property with years of straight-line depreciation will have meaningful §1250 recapture that affects year-one and early-year tax bills under the installment structure. The seller should run the full depreciation schedule with a CPA before deciding on a payment timeline, so early payments are sized to absorb the recapture without creating unexpected cash shortfalls for the tax bill.
Calculating gain on a real estate installment sale
The gross profit percentage calculation on real estate follows the same §453 formula as any installment sale, but with one modification: the adjusted basis must reflect all depreciation taken. Depreciation reduces your basis, which increases your gain — and your GPP.
Example: You purchased a commercial building 15 years ago for $1,500,000. You've taken $540,000 in straight-line depreciation. Your adjusted basis is now $960,000. If you sell for $3,000,000:
- Gross profit = $3,000,000 − $960,000 = $2,040,000
- GPP = $2,040,000 ÷ $3,000,000 = 68%
- Of the $2,040,000 gain: $540,000 is §1250 unrecaptured gain (taxed at 25%); $1,500,000 is appreciation gain (taxed at 15% or 20%)
The $540,000 recapture is recognized first across early installment payments. Once it's absorbed, remaining payments reflect only the 15% rate on the appreciation gain.
Worked example: selling a rental duplex for $1.5M
A seller purchased a duplex for $400,000, has taken $120,000 in depreciation, and sells for $1,500,000. Adjusted basis = $280,000. Gross profit = $1,220,000. GPP = 81.3%.
Of the gain: $120,000 is §1250 recapture (25% rate); $1,100,000 is appreciation (15% rate).
| Scenario | Tax on recapture | Tax on appreciation gain | Total federal + state (5%) |
|---|---|---|---|
| Lump sum | $30,000 (25%) | $220,000 (20% + 3.8% NIIT + 5% state = ~24%) | $250,000 |
| 10-yr structured (no NIIT triggered) | $30,000 (25% — year 1) | $176,000 (15% + 5% state = 20%) | $206,000 |
In this example the structured sale saves approximately $44,000 in tax — not as dramatic as a lump-sum business sale because the NIIT savings are smaller. But the seller also receives 5% interest on the outstanding balance over 10 years, adding significant additional income.
When to use a structured installment sale vs. a 1031
The clearest guidance: use a 1031 exchange if you want to stay invested in real estate and the property has high accumulated depreciation. The 1031 defers the recapture into the replacement property's basis — the structured sale does not. For a property with $500,000 in accumulated depreciation, the 1031 is almost always superior from a pure tax-deferral standpoint.
Use a structured installment sale when:
- You want to exit real estate ownership and generate income, not acquire another property
- You can't identify a suitable replacement property within the 45-day window
- The property has minimal depreciation (land, recently purchased buildings) so recapture is small
- Your 1031 exchange has failed and proceeds are still held by a qualified intermediary
- The guaranteed income stream and certainty of payment matter more than maximizing deferral
What to bring to your CPA before structuring
Before setting up a structured installment sale on investment real estate, gather:
- Original purchase price and closing cost records (establishes initial basis)
- Full depreciation schedules for all years (your CPA or tax preparer has these on prior returns)
- Any capital improvements made (added to basis)
- Prior partial sale or casualty loss records (reduce basis)
- Mortgage payoff amount (affects contract price calculation)
- Anticipated sale price and expected closing date
With these in hand, your CPA can calculate the adjusted basis, total gain, §1250 recapture amount, and GPP — and model how the recapture absorbs into early installment payments under different payment schedules.
Frequently asked questions
Can I use a structured installment sale for investment real estate?
Yes. Rental properties, commercial buildings, farmland, and investment land all qualify under IRC §453, provided the property isn't dealer inventory. The gain is spread over the installment payment schedule, and the 15% federal rate can apply to the appreciation portion for most sellers.
How does §1250 depreciation recapture work in an installment sale?
§1250 unrecaptured gain (taxed at max 25%) is recognized first in your early installment payments before the lower-rate appreciation gain kicks in. It's not all due in year one (unlike §1245 personal property recapture) — it's spread over early payments. Your CPA can model exactly when you clear the recapture portion based on your depreciation history and proposed payment schedule.
Is a structured installment sale better than a 1031 for real estate?
Depends on your goals. A 1031 defers more total tax on a heavily depreciated property. A structured installment sale is better when you want to exit real estate, generate guaranteed income, and aren't subject to the 45-day/180-day 1031 deadlines. Both strategies can be combined if you own multiple properties.
What if my sale price is less than the mortgage balance?
If the buyer assumes a mortgage that exceeds your basis, the excess of the mortgage over your basis is treated as a payment in year one — which can trigger immediate gain recognition even if no cash changes hands. This "excess mortgage" scenario needs careful advance planning. Consult your CPA before assuming a structured sale spreads all of the gain.
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Take the eligibility quiz →This article is for general education only and is not tax, legal, or investment advice. Real estate installment sales are highly fact-specific; depreciation schedules, mortgage balances, and prior elections all affect the analysis. Tax rates and rules referenced are as of June 2026. Consult your CPA before structuring any transaction.