Self Directed IRA: What It Can and Cannot Buy

You've got a retirement account sitting with a brokerage, invested in whatever mix of mutual funds and index funds someone set you up with years ago, and you keep hearing that a self directed IRA lets you buy real estate with retirement money. That's true, but the rules around what qualifies and what disqualifies the whole account are strict enough that getting it wrong doesn't just cost you a penalty, it can blow up the tax-advantaged status of the entire account.

Here's the direct answer. A self directed IRA is a legally recognized retirement account, just like a traditional or Roth IRA, except the custodian allows it to hold alternative assets: real estate, private notes, tax liens, private company shares, precious metals, and more, instead of restricting you to stocks, bonds, and mutual funds. It doesn't give you new tax advantages beyond what a regular IRA already has. It gives you access to a different menu of what you're allowed to put inside the same tax-advantaged wrapper.

What a Self Directed IRA Can Actually Buy

Real estate is the most common use: single family rentals, multifamily properties, raw land, even commercial property, purchased and held inside the IRA. Private lending is another major category, your IRA can act as the lender on a note secured by real estate, earning interest that flows back into the account tax-deferred or tax-free depending on whether it's traditional or Roth.

Beyond real estate, a self directed IRA can hold private company equity, meaning shares in a business that isn't publicly traded, tax lien certificates, certain precious metals that meet IRS purity requirements, and limited partnership interests in things like real estate syndications or private funds.

What It Cannot Buy, and Why This Part Matters More

The IRS doesn't publish a list of approved investments so much as a list of prohibited transactions and disqualified persons, and violating either can disqualify the entire account, not just the specific investment, triggering taxes and penalties on the full balance as if you'd withdrawn it all at once.

You cannot buy property from yourself, your spouse, your parents, your children, or any entity you or those people control. If your IRA buys a rental house, you personally cannot live in it, vacation in it, or use it for any personal benefit, ever, while it's held inside the IRA. You cannot personally do the repair work on a property your IRA owns, even if you'd normally do it yourself to save money, because that counts as a prohibited transaction between you and a disqualified party, which in this case is your own IRA.

You also cannot use the property as collateral for a personal loan, cannot co-invest personal funds directly alongside the IRA's funds in the same specific asset in a way that creates commingling, and cannot buy life insurance or most collectibles, art, most coins, wine, inside the account.

How the Money Actually Flows

Every dollar related to a self directed IRA's real estate has to move through the IRA itself, not through you personally. Rent collected on an IRA-owned rental gets deposited back into the IRA, not your personal account. Repairs, property management fees, taxes, and insurance on that property get paid out of the IRA, not your checkbook. If the IRA doesn't have enough cash to cover an expense, you cannot simply cover it personally and get reimbursed later, doing so is itself a prohibited transaction.

This is the part that trips up more investors than the investment selection itself. The self directed IRA has to be treated as a fully separate legal entity from your personal finances, with a wall between them that has zero exceptions, not even small ones that feel harmless.

A Worked Example

Say you roll $80,000 from an old 401k into a self directed IRA and use it, combined with a non-recourse loan the IRA takes out, to buy a $200,000 rental property. Because the loan is non-recourse, meaning the lender can only go after the property itself if the loan defaults, not you personally, this structure is allowed inside an IRA, unlike a normal recourse mortgage, which generally is not.

The IRA now owns the property. Rent of $1,700 a month flows into the IRA's account. A portion of that rent has to go toward paying down the non-recourse loan and covering expenses, and because part of the property was financed with debt rather than the IRA's own cash, a portion of the income may be subject to Unrelated Debt-Financed Income tax, a specific IRS rule that applies when a tax-advantaged account uses leverage. This is a real tax that catches people off guard, since most people assume an IRA is fully tax-sheltered regardless of how the asset inside it was financed.

Over time, as the loan gets paid down and eventually the property appreciates and is sold, all of the proceeds, the original equity plus the appreciation plus the accumulated rent, stay inside the IRA, growing tax-deferred in a traditional account or tax-free in a Roth, until you take a qualified distribution in retirement.

What People Get Wrong

The most common mistake is treating the IRA's money like it's still theirs to move around informally, covering a repair bill personally "just this once" or letting a family member stay in an IRA-owned property below market rent as a favor. Either one can be classified as a prohibited transaction, and the IRS doesn't require you to have intended anything improper for the penalty to apply.

The second mistake is underestimating how much cash reserve the IRA itself needs to hold. Every expense on an IRA-owned property has to come from IRA funds. If the IRA is thin on cash and a major repair hits, you can't personally bail it out without breaking the rules, which can force a bad decision, an emergency sale, a delayed repair that gets worse, or worse, a rule violation out of desperation.

One Honest Limitation

A self directed IRA is a legitimate and powerful structure, but it's also genuinely more complex than a standard brokerage IRA, and the penalty for getting the rules wrong is severe enough that this is not a do-it-yourself-from-a-blog-post situation. A qualified self directed IRA custodian and, for anything beyond a straightforward rental purchase, a CPA or attorney familiar with these accounts specifically, isn't optional overhead, it's the difference between a legitimately tax-advantaged real estate investment and an accidental full distribution with taxes and penalties on the entire account.

Structuring capital correctly, whether that's inside a retirement account or outside one, is exactly the kind of decision that benefits from a real conversation instead of a generic answer. That's what Vault Capital is built around. You can find it at readmoneydecoded.com/vault-capital.

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