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U.S. Tax Explained Series

Flipper or Investor? When Real Estate Is Ordinary Income

The dealer question that decides whether a property sale is capital gain or ordinary income with self-employment tax, the factors courts weigh, and how to keep flips and rentals from contaminating each other.

Reviewed by the Fairlight Accounting cross-border tax team — U.S. & Canadian Tax Desks

Real estate held primarily for sale to customers in the ordinary course of business makes its owner a dealer: profits are ordinary income subject to self-employment tax, and the property is inventory — no capital gain rate, no 1031 exchange, no installment method. Fix-and-flip profits and wholesaling fees are usually dealer income; rentals held for appreciation are investment property.

On this page
  1. What decides dealer status?
  2. What does dealer treatment cost?
  3. Can one person be both?
  4. What about converting a flip to a rental?
  5. Frequently asked questions
  6. Official sources
  7. Related guides
  8. Next step

What decides dealer status?

FactorPoints toward dealerPoints toward investor
Purpose at acquisitionBought to resellBought to rent or hold
Frequency and continuity of salesSeveral sales a year, year after yearOccasional sales
Holding periodMonthsYears
ImprovementsRenovated to sellMaintained to rent
MarketingAdvertised, listed, sold through an active effortSold when an offer arrives
Time and effortSubstantial, like a businessPassive
Other businessLicensed agent, contractor, or developerUnrelated occupation

No single factor controls; courts look at the whole pattern, property by property. The Supreme Court held in Malat v. Riddell, 383 U.S. 569 (1966), that "primarily" for sale means "of first importance," and the Fifth Circuit's en banc decision in Biedenharn Realty Co. v. United States, 526 F.2d 409 (1976), treats frequent, substantial sales as the most important factor.

What does dealer treatment cost?

ItemDealerInvestor
Rate on profitOrdinary income (up to 37 percent) plus self-employment taxLong-term capital gain (0, 15, or 20 percent) after one year — with depreciation on a rental taxed at up to 25 percent — plus the 3.8 percent net investment income tax above its income thresholds
1031 exchangeNot availableAvailable
Installment methodNot availableAvailable
DepreciationNone — inventoryYes
LossesOrdinaryCapital and limited for land held for investment; ordinary under Section 1231 for rental property
Qualified business income deductionAvailable on the business incomeRental trade or business only

A wholesaler's assignment fee — selling the contract rather than the property — is generally ordinary income for someone in the wholesaling business, however long the contract was held.

Can one person be both?

Yes, with clean separation: flips in one entity (an S corporation is common, to manage self-employment tax on the owner's share above a reasonable salary), long-term rentals in another, separate books, and a documented purpose for each property at purchase. A rental later sold after a change of plans can still be investment property; a flip that fails to sell and is rented briefly is usually still inventory.

What about converting a flip to a rental?

Holding a renovated property as a rental for a meaningful period, with real tenants and a change in intent, can convert it to investment property; courts focus on the purpose at the time of sale, but an earlier dealer history weighs against the owner, so the facts — and the time elapsed — must support the change.

Frequently asked questions

Is one flip a year enough to be a dealer?

Possibly, if the pattern — buy, renovate, market, sell — is clearly a business. Frequency is one factor among several.

Do I owe self-employment tax on flip profits in an LLC?

Yes, if the LLC is taxed as a sole proprietorship or partnership; an S corporation election changes the calculation.

Does dealer status affect my rental properties?

Only if the rentals are held for sale too. Separate entities and records keep the activities distinct.

Can a dealer deduct losses on a bad flip?

Yes, as an ordinary business loss, which is one advantage of dealer status.

Official sources

The IRS explains: “Stock in trade, inventory, and other properties you hold mainly for sale to customers in your trade or business are not capital assets.” — Internal Revenue Service, Publication 544 (2025), Sales and Other Dispositions of Assets, https://www.irs.gov/publications/p544

The statute provides that a capital asset does not include: “stock in trade of the taxpayer or other property of a kind which would properly be included in the inventory of the taxpayer if on hand at the close of the taxable year, or property held by the taxpayer primarily for sale to customers in the ordinary course of his trade or business;” — Legal Information Institute, Cornell Law School, 26 U.S. Code § 1221 - Capital asset defined, https://www.law.cornell.edu/uscode/text/26/1221

Next step

Fairlight Accounting handles U.S. domestic, cross-border (U.S.–Canada), and international tax returns, plus bookkeeping, payroll, and CFO advisory. Our U.S. Tax Desk documents each property's purpose at purchase and keeps flipping and rental activities in separate books. See pricing or book a free fit call.

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U.S. and Canadian filings prepared together by our U.S. and Canadian Tax Desks.

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