Most investors I talk to think they’re being smart when they use a Self-Directed IRA (SDIRA) to invest in real estate.

They’ve heard the pitch:

• Tax-deferred growth
• More control over investment decisions.
• Broader investment options, including real estate, private placements, and precious metals. 

And all of that is true…until it isn’t.

Because one simple mistake inside your retirement account can trigger a full disqualification—and a massive tax bill.

We’re not talking about a slap on the wrist.

We’re talking about losing a significant portion of your retirement savings overnight.

If you’re using retirement funds to buy investment property, you need to understand how it really works.

That includes knowing the rules around an IRA for real estate, how a Self-Directed IRA and real estate investment strategy can go wrong, and when investors may need to compare options like a Self-Directed 401(k) for real estate.

Before I begin, if you want to learn more about how to use a 401(k) for real estate investments or other retirement funds, check out the original video here. 

What Happens If You Make a Mistake in an SDIRA?

If you violate IRS rules, the IRS can treat your entire IRA as a taxable distribution—triggering income taxes, potential penalties, and immediate tax liability on the full account value. 

That means:

• The full account value becomes taxable
• You may owe federal and state income tax
• You could face a 10% early withdrawal penalty

The IRS won’t just penalize the transaction; they’ll disqualify the entire account.

In one example, a real estate investor saved about $1,500 doing minor work on a property—and triggered over $200,000 in taxes and penalties.

That’s the kind of risk you’re dealing with when you use retirement funds for buying rental property.

Why Can’t You Improve Property Inside a Self-Directed IRA?

This is what I call the sweat equity trap, and it’s the number one issue.

When you invest through an SDIRA, the IRS prohibits you from providing services to that property.

That includes:

• Repairs
• Renovations
• Managing construction
• Acting as a contractor

Even small tasks—like replacing fixtures or painting—can violate the rules.

Because the IRS considers that you’re adding value to your IRA, which counts as a prohibited transaction.

Who Is Considered a Disqualified Person in an IRA?

When using IRA funds to invest in rental properties, the IRS wants the IRA to operate strictly for your retirement—not as a way to create a current benefit for you, your family, or businesses you control.

That’s why you can’t just avoid working on the property yourself. You also have to avoid working with certain people.

The IRS defines “disqualified persons” as:

• You
• Your spouse
• Your parents
• Your children
• Any business you control

If any of these people benefit from the IRA-owned property, the IRS may view it as self-dealing instead of a legitimate retirement investment. 

That means you cannot:

• Rent property to them
• Hire them to perform work
• Pay them from the IRA
• Let them benefit from the investment

Even if everything is done at market rates, it still violates the rules.

What Is Self-Dealing in an SDIRA?

Self-dealing happens when you personally transact with your IRA.

If you’re using an IRA for real estate investing, you cannot:

• Sell property to your IRA
• Buy real estate property from your IRA
• Personally benefit from IRA transactions

IRS Section 4975 outlines these restrictions and applies them across the board.

If your IRA owns an LLC, the operating agreement must reflect these rules—or you risk exposure during an audit.

Can You Benefit Indirectly from Your IRA Investments?

Experienced investors often overlook this—and that’s exactly where it catches them.

Even indirect benefits can disqualify your IRA.

For example:

• Acting as a realtor and taking a commission on an IRA-owned property
• Structuring deals where you receive compensation tied to IRA assets

Another major issue is personally guaranteeing a loan. If your IRA borrows money and you sign a personal guarantee, you’ve created a recourse loan, which ties your personal assets to the IRA debt. That personal guarantee can trigger a prohibited transaction because you are personally supporting the IRA investment.

If you’re using financing inside your SDIRA, it must be non-recourse only. That means the lender can only look to the IRA-owned asset for repayment—not you personally. 

Can You Use Personal Funds in Your SDIRA Deals?

No. This is called commingling, and it’s a serious violation.

When using retirement plan funds, your finances must stay completely separate.

You cannot:

• Add personal funds to cover expenses
• Loan money to your IRA
• Move money back and forth informally

In most cases, your trust company or IRA custodian should handle all incoming and outgoing funds to ensure compliance.

Even something as simple as collecting rental income yourself and depositing it later can create a problem.

All income must flow directly into the IRA—not through you

What Is UDFI and Why Does It Matter?

UDFI stands for Unrelated Debt-Financed Income, and it’s one of the most misunderstood taxes in retirement investing.

If your IRA or SDIRA uses debt to purchase real estate:

• A portion of your income becomes taxable

Example:

• 60% of the purchase is financed
• 60% of the income is taxable

The IRS taxes IRA income at trust tax rates, which can reach 37%.

So even though you’re using a tax-advantaged account, you may still owe taxes every year.

How Should You Use Retirement Funds to Buy Investment Property?

If you want to use retirement funds correctly, the strategy needs to be clean and compliant from day one.

That means:

• Keeping all transactions at arm’s length
• Avoiding disqualified persons
• Using proper loan structures
• Maintaining strict separation of funds
• Following IRS rules under Section 4975

Because once you cross the line, there’s no easy fix.

What Should You Do If You Already Have an SDIRA?

Most investors don’t learn these rules until after they’ve already set up an SDIRA and completed a few deals. It’s more common than you think.

If you’ve:

• Managed a rehab yourself
• Used personal funds to cover expenses
• Collected rent before sending it to your IRA
• Worked with family members on a deal
• Personally guaranteed a loan

You may have already crossed into prohibited transaction territory.

That doesn’t automatically disqualify your IRA—but it should prompt you to take a closer look before the IRS does.

Start by reviewing your structure with a critical eye:

• Are all income and expenses flowing directly through the IRA?
• Have you avoided any personal involvement in operations?
• Are all transactions clearly at arm’s length?
• Is your IRA-owned LLC set up with the proper provisions?

If you’re not 100% confident in those answers, it’s time to get clarity.

Schedule a free 45-minute Strategy Session with Anderson Advisors.

We’ll help you:

• Audit your current IRA setup for hidden risks
• Identify any past or potential prohibited transactions
• Show you how to properly structure deals moving forward
• Evaluate whether a traditional IRA, Roth IRA, or alternative solution might be a better fit

Because the sooner you tighten up your structure, the more options you have.

Wait too long—and you may be reacting instead of planning.

And when it comes to retirement accounts, that’s not where you want to be.