An arm’s length transaction can feel confusing if you see the term on a mortgage application, appraisal, property record, or tax document. It generally describes a deal where the parties act independently and pursue their own financial interests.
You will most commonly encounter the term when buying or selling real estate. However, arm’s length standards may also matter in business deals, taxes, loans, and transactions between related companies.
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What Is an Arm’s Length Transaction?
An arm’s length transaction is generally a deal between independent parties who are each acting in their own best interest. Neither party typically controls the other or has a relationship that could improperly influence the price or terms.
For example, you might negotiate to buy a home from a seller you have never met. You want the lowest reasonable price, while the seller generally wants the highest reasonable price.
That opposing financial interest helps create an arm’s length transaction.
HUD generally defines an arm’s length transaction as one between unrelated parties who each act in their own best interest. Similar concepts appear in IRS rules and mortgage underwriting standards.
Arm’s Length vs. Non-Arm’s Length Transactions
The easiest way to understand the term is to compare the two types of deals.
| Factor | Arm’s length | Non-arm’s length |
|---|---|---|
| Buyer and seller relationship | Generally unrelated | Generally related or affiliated |
| Negotiation | Usually independent | May be influenced by relationship |
| Price | Typically negotiated competitively | May include a special price |
| Special treatment | Generally none | May include favorable terms |
| Mortgage review | Usually standard | May receive extra scrutiny |
| Tax issues | Generally ordinary rules | Special related-party rules may apply |
A non-arm’s length transaction is not automatically illegal or improper. It generally means the parties have a relationship that could affect the deal.
Examples of an Arm’s Length Transaction
Suppose you find a house listed for $400,000. You do not know the owner and have no business relationship with the seller.
You offer $380,000. The seller counters at $395,000, and you eventually agree on $390,000 after independent negotiations.
That would generally be considered an arm’s length transaction. Both sides are trying to obtain favorable terms for themselves.
Other examples may include:
- You buy a used car from an unrelated dealer.
- You sell a rental property to an unrelated investor.
- Your business hires an unrelated vendor at a negotiated market rate.
- You purchase commercial property from an unrelated company.
The exact classification still generally depends on the facts surrounding the transaction.
Examples of a Non-Arm’s Length Transaction
A transaction may be considered non-arm’s length when you have a family, ownership, employment, or business relationship with the other party.
Common examples may include:
- You buy a home from your parents.
- You sell property to your child.
- You buy a house from a company you own.
- Your corporation conducts business with another company under common control.
- You purchase property from your employer.
- Business partners transfer assets between themselves.
The relationship does not necessarily mean the price is unfair. You could still pay full market value in a non-arm’s length transaction.
Pro Tip: Tell your lender, appraiser, tax professional, or closing professional about any relationship between you and the other party. A disclosed non-arm’s length transaction is generally easier to evaluate than a relationship discovered later.
Does Arm’s Length Mean Fair Market Value?
Arm’s length and fair market value are related concepts, but they are not exactly the same.
Fair market value generally refers to the price that informed buyers and sellers would agree to when neither party is forced to complete the transaction. An arm’s length sale may provide strong evidence of fair market value because each side is negotiating independently.
However, an arm’s length transaction does not guarantee that the final price perfectly matches market value. You may pay above market value because you strongly want a property, while a seller may accept less because they want a quick sale.
Likewise, a non-arm’s length deal can still occur at market value. Family members could obtain an independent appraisal and agree to use that value.
Why Arm’s Length Transactions Matter in Real Estate
Mortgage lenders generally want to understand the relationship between you and the seller. A close relationship can create opportunities for unusual pricing, hidden concessions, or terms that would not typically exist between unrelated parties.
That does not mean lenders automatically reject non-arm’s length purchases. For example, current Fannie Mae guidance generally permits certain non-arm’s length purchases of existing properties.
However, additional rules may apply depending on the property, loan program, occupancy, and relationship.
Your lender may ask questions such as:
- Are you related to the seller?
- Do you work for the seller?
- Do you own part of the seller’s business?
- Is the property being sold below market value?
- Are there undisclosed credits or concessions?
Answer these questions accurately. Your lender may use the information when reviewing the appraisal and mortgage terms.
What Is a Gift of Equity?
A gift of equity may appear in a non-arm’s length home sale. This generally happens when a family member sells you property for less than its appraised or market value and allows some of the difference to help with your purchase.
For example, your parents might own a home valued at $350,000 and agree to sell it to you for $300,000. Part of the $50,000 difference may potentially be treated as a gift of equity, depending on the transaction structure.
Mortgage and tax rules can apply. You should generally confirm the arrangement with your lender and a qualified tax professional before closing.
How Arm’s Length Transactions Affect Taxes
The IRS generally pays closer attention to certain transactions between related parties because special tax rules can apply.
For example, you generally cannot deduct a loss from certain sales or exchanges of property between related persons. The applicable definition of a related person depends on the particular tax rule.
The IRS may generally include spouses, siblings, parents, grandparents, children, and grandchildren within related-party rules for certain property transactions. Business ownership relationships can also qualify.
A below-market sale may create additional tax considerations. If you intentionally sell property for substantially less than fair market value to benefit someone, part of the transaction may potentially be treated as a gift.
Common Mistakes: Do not assume that putting a market-value price in a contract automatically turns a family transaction into an arm’s length transaction. The relationship between the parties still generally matters.
Arm’s Length Transactions Between Businesses
The concept also applies when related companies do business with each other.
Suppose your U.S. company owns a foreign subsidiary. If one company sells products or services to the other, the IRS generally expects certain controlled transactions to produce results consistent with what unrelated businesses would have agreed to under comparable circumstances.
This concept is commonly known as the arm’s length standard in transfer pricing.
Large business transactions can become complicated because companies may share ownership, employees, intellectual property, or management. Businesses generally use comparable market data and established transfer-pricing methods to support their pricing.
How to Show a Transaction Is at Arm’s Length
You typically do not need one special document that proves every transaction is arm’s length. Instead, the facts and records generally support the classification.
Useful documentation may include:
- A purchase agreement.
- An independent appraisal.
- Comparable sales data.
- Property listings.
- Independent legal representation.
- Inspection reports.
- Negotiation records.
- Disclosure of buyer and seller relationships.
If you are buying real estate, your mortgage application and purchase contract may also ask you to disclose your relationship with the seller.
Clear documentation becomes especially important when the parties already know each other.
Is a Sale Between Friends Arm’s Length?
A transaction between friends can be less straightforward. Simply knowing another person does not necessarily settle the question.
You generally need to consider whether your relationship influenced the price, financing, concessions, or other terms. A lender may also have its own standards for deciding whether a transaction requires additional review.
For example, buying a house from someone you casually know may look different from buying property from a close friend who is giving you a large discount.
You should generally disclose the relationship rather than deciding on your own that it does not matter.
Is a Family Sale Always a Problem?
No. You can generally buy or sell property to a family member legally.
However, the transaction will typically be considered non-arm’s length rather than a standard independent sale. Your mortgage lender, appraiser, title professional, and tax adviser may need to know about the relationship.
Using an independent appraisal can help establish the property’s value. Written agreements can also make the financial terms clearer.
FAQs: What Is an Arm’s Length Transaction
Q. What is an arm’s length transaction in simple terms?
A. An arm’s length transaction generally means you and the other party are independent and each negotiate for your own benefit. Neither party typically has a relationship that controls or improperly influences the other.
Q. Is buying a house from a family member an arm’s length transaction?
A. Generally, no. A sale between close family members is usually treated as a non-arm’s length transaction, even when you pay fair market value.
Q. Is a non-arm’s length transaction illegal?
A. No. Non-arm’s length transactions are generally legal, but they may receive additional mortgage, appraisal, or tax scrutiny. You should disclose the relationship and follow the rules that apply to your transaction.
Q. Can an arm’s length transaction be below market value?
A. Yes. Independent parties may sometimes agree on a price below estimated market value. Arm’s length describes the relationship and negotiation between the parties, while market value describes the property’s estimated value.
Conclusion
An arm’s length transaction generally occurs when you deal with an independent party and both sides negotiate in their own financial interests. These transactions are especially important in real estate because lenders and appraisers may use them when evaluating price and market value.
A deal involving relatives, affiliated businesses, or other close relationships may instead be non-arm’s length. That does not automatically make the deal improper, but you should generally disclose the relationship and review any mortgage and tax rules that apply.
Disclaimer: This article is for general informational purposes only and is not financial, tax, or legal advice. Mortgage, appraisal, tax, and related-party rules may vary by transaction and lender, so verify your specific situation with your lender, tax professional, or attorney.
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