For investors using a Self-Directed IRA, few topics create more confusion or unnecessary fear than unrelated business income tax, also known as UBIT or UBTI. You may have heard that investing in private businesses, real estate with leverage, or LLCs inside an IRA automatically triggers punitive taxes. Others are told that UBIT makes alternative investments not worth it inside a retirement account.

The truth is far more nuanced.

UBIT is real. But it is also manageable, predictable, and in many cases avoidable with proper structuring. In fact, some of the most sophisticated Self-Directed IRA investors intentionally invest in opportunities that generate UBIT because the long-term benefits still outweigh the tax cost, or because planning strategies can significantly reduce or offset the impact.

In this article, I am going to walk you through how UBIT really works, why it applies to certain Self-Directed IRA investments, and the little-understood strategies experienced investors use to minimize or neutralize it, including a powerful tax distribution strategy most IRA investors have never heard of.

Why You Need a Self-Directed IRA to Make Private Investments

A traditional brokerage IRA limits you to publicly traded investments such as stocks, ETFs, mutual funds, and bonds. If you want to invest in private companies, real estate, private equity, private lending, cryptocurrency, or closely held businesses, a standard IRA simply will not allow it.

That is where a Self-Directed IRA, or SDIRA, comes in.

A Self-Directed IRA is not a different type of IRA under the tax code. It is a structural difference that allows the IRA to invest in non-traditional assets that are otherwise unavailable at brokerage firms. The tax advantages of an IRA remain intact. Traditional IRAs grow tax-deferred. Roth IRAs grow tax-free. What changes is the investment flexibility.

Without a Self-Directed IRA, it is simply not possible to make most private investments using retirement funds.

Self-Directed IRAs Are Available for All IRA Types

One common misconception is that Self-Directed IRAs are limited to niche investors or special account types. In reality, almost every IRA can be self-directed, including:

  • Traditional IRAs
  • Roth IRAs
  • SEP IRAs
  • SIMPLE IRAs
  • Rollover IRAs from former employer plans

The rules governing contributions, distributions, and taxation do not change. What changes is how the IRA is allowed to invest and who provides custodial and administrative support.

Because Self-Directed IRAs allow more complex investments, they require specialized administration and compliance oversight. That is why most traditional brokers do not offer them.

What You Can and Cannot Invest in With a Self-Directed IRA

The IRS does not publish a list of approved investments for IRAs. Instead, it provides a short list of prohibited investments and prohibited transactions, primarily found in Internal Revenue Code Section 4975.

Common Permitted Self-Directed IRA Investments

  • Real estate, including residential, commercial, and raw land
  • Private equity and private placements
  • LLC and partnership interests
  • Private lending and notes
  • Cryptocurrency and digital assets
  • Precious metals that meet IRS purity rules

Prohibited Transactions Under IRC 4975

The biggest risk is not the asset itself. It is who the IRA transacts with.

Your IRA may not transact with:

  • You personally
  • Your spouse
  • Your parents, grandparents, children, or grandchildren
  • Entities owned or controlled by those people

Prohibited transactions include:

  • Self-dealing
  • Providing services to the IRA
  • Using IRA assets for personal benefit

Violating these rules can disqualify the IRA, which makes compliance absolutely critical.

What Is UBIT and How It Applies to Self-Directed IRA Investments

Unrelated Business Income Tax (UBIT) applies when a tax-exempt entity, including an IRA, earns income from an active trade or business that is unrelated to its exempt purpose.

IRAs are tax-advantaged. They are not immune from UBIT.

UBIT generally applies when an IRA:

  • Invests in an operating business, not passive investing, or
  • Uses leverage, meaning debt, to generate income

The income subject to UBIT is referred to as Unrelated Business Taxable Income (UBTI).

UBIT vs. UDFI: Understanding the Difference

While often used interchangeably, UBIT, UBTI, and UDFI are not the same.

UBTI

UBTI is income generated from:

  • An operating business, such as an LLC running a restaurant or software company
  • Active business income passed through to the IRA

UDFI

Unrelated Debt-Financed Income (UDFI) applies when:

  • An IRA invests in real estate or another asset using debt, and
  • The debt is non-recourse, which is required for IRAs

Only the portion of income attributable to leverage is subject to tax.

In simple terms:

  • UBTI is operating business income.
  • UDFI is leverage-driven income.

UBIT Tax Rates Explained

Income subject to UBIT is taxed at federal trust tax rates, not individual income tax rates. These rates are highly compressed. The highest federal tax rate of 37 percent applies once taxable UBTI exceeds roughly 15,000 dollars in a given year. By comparison, individual taxpayers do not reach the top marginal rate until hundreds of thousands of dollars of income.

Because an IRA reaches the top trust tax bracket so quickly, even a relatively modest amount of Unrelated Business Taxable Income can be taxed at the maximum rate. That is why thoughtful structuring and cash-flow planning, such as blocker corporations or tax distribution provisions, is essential when making Self-Directed IRA investments that generate UBIT.

The Tax Impact of UBIT: Real Examples

Example 1: Leveraged Real Estate in a Self-Directed IRA

An IRA buys a rental property for 500,000 dollars using:

  • 250,000 dollars in cash
  • 250,000 dollars through a non-recourse loan

If the property generates 100,000 dollars of net income, approximately 50 percent may be subject to UDFI, depending on the debt ratio.

That portion is taxed at trust tax rates, which reach the highest federal bracket quickly.

Example 2: Investing in an Operating Business LLC

An IRA invests in an LLC operating a business, for example manufacturing, services, or technology. The LLC generates 200,000 dollars of profit, of which the IRA is allocated 50,000 dollars.

That 50,000 dollars is UBTI and subject to UBIT, even if the cash is not distributed.

This is where planning becomes critical.

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Common Strategies to Reduce or Block UBIT

1. C-Corporation Blocker Structure

The most common UBIT mitigation strategy is a C-corporation blocker.

In this structure:

  • The IRA invests in a C-corporation
  • The C-corporation pays corporate income tax
  • Dividends paid to the IRA are generally exempt from UBIT

This does not eliminate tax. It converts UBIT into corporate tax at a rate of 21 percent, which is significantly lower than the maximum UBIT rate of 37 percent. For some investments, this creates predictability and long-term efficiency.

2. The Section 514(c)(9) Exception for Solo 401(k)s

Under Internal Revenue Code Section 514(c)(9), a Solo 401(k), unlike an IRA, can avoid UDFI on real estate leverage if the loan is non-recourse and properly structured.

  • Applies to Solo 401(k) plans
  • Does not apply to IRAs
  • Applies to real estate acquisition indebtedness

This is one reason many real estate investors prefer Solo 401(k)s.

However, it does not help IRA investors directly.

The Little-Known Tax Distribution Strategy

This is one of the most misunderstood and powerful planning concepts for Self-Directed IRA investors in private businesses.

What Is a Tax Distribution?

A tax distribution is a provision commonly found in LLC operating agreements. It requires the LLC to distribute cash to members solely to cover taxes owed on allocated income or net profits when no corresponding cash distribution is otherwise made.

Tax distributions are typically:

  • Calculated at the highest marginal federal tax rate
  • Paid even if profits are retained in the business

This concept is standard in private equity and closely held businesses, but it is rarely discussed in the IRA context.

How a Tax Distribution Can Neutralize UBIT

Example

  • An IRA owns 20 percent of an operating LLC.
  • The LLC allocates 100,000 dollars of profit to the IRA.
  • The IRA owes UBIT on that income.
  • The operating agreement requires a tax distribution equal to the estimated tax liability, calculated at 37 percent of 20,000 dollars.
  • The LLC distributes cash to the IRA specifically to cover the UBIT owed.

The IRA still files Form 990-T and pays the tax. But the economic burden is effectively eliminated because the cash used to pay the tax comes from the investment itself.

This strategy:

  • Does not avoid UBIT
  • Does not violate IRA rules
  • Is fully consistent with private business operating agreements

Yet it is rarely explained to IRA investors, custodians, or sponsors.

Why This Strategy Is Often Overlooked

Most Self-Directed IRA discussions focus on avoiding UBIT entirely instead of managing it intelligently.

  • Investors walk away from strong private deals unnecessarily
  • Sponsors incorrectly assume IRAs cannot invest efficiently
  • Advisors fail to coordinate operating agreements with IRA tax realities

When structured properly, UBIT becomes a known and manageable variable, not a deal killer.

Why IRA Financial

Successfully navigating UBIT requires more than a custodian. It requires deep technical expertise, ongoing compliance support, and proper tax reporting infrastructure.

  • Helped tens of thousands of clients invest through Self-Directed IRAs
  • Oversees billions in retirement assets
  • Published leading books on Self-Directed IRAs and alternative investing
  • Built an annual compliance and consulting model designed for complex assets
  • Offers in-house tax filing support, including Form 990-T and Form 1065
  • Provides an annual compliance shield so investors are not navigating these rules alone

This integrated approach is critical when dealing with UBIT, UDFI, and private investments.

Conclusion: UBIT Is a Planning Issue, Not a Barrier

UBIT is not a reason to avoid Self-Directed IRA investing. It is a reason to structure investments correctly.

  • You can invest in private businesses using your IRA
  • You can understand when UBIT applies and when it does not
  • You can use blocker structures or tax distributions strategically
  • You can turn UBIT from a surprise into a planned, tax-neutral outcome

For investors willing to look beyond surface-level explanations, Self-Directed IRAs remain one of the most powerful tools for building long-term, tax-advantaged wealth, even in complex private investments.

Adam Bergman - Founder

About the Author

Adam Bergman is a tax attorney and the founder of IRA Financial, one of the largest Self-Directed IRA platforms in the United States. He has helped more than 27,000 clients take control of their retirement savings, overseeing over $5 billion in retirement assets. Adam is also the author of nine books focused on helping investors understand and confidently manage their retirement strategies.