Quick answer: Yes. And people are doing it right now — earning 12–30%+ annual returns on mortgage notes, completely tax-deferred or tax-free, inside their retirement accounts.

If you've got an IRA or old 401(k) sitting in mutual funds earning 7% in a good year, this might be the most important thing you read this month.

The Problem With Traditional Retirement Accounts

Your 401(k) or IRA at Fidelity, Schwab, or Vanguard has a dirty little secret: they only let you invest in what they sell. Stocks, bonds, mutual funds, ETFs. Maybe some REITs if you're lucky.

That's not a legal limitation. That's a business model limitation. There's no law saying your retirement money has to sit in the stock market.

The IRS actually allows retirement accounts to invest in almost anything — real estate, private lending, mortgage notes, businesses, precious metals, and more. The only things explicitly prohibited are life insurance and collectibles (art, antiques, certain coins).

So why doesn't everyone know this?

Because Fidelity doesn't make money when you buy a mortgage note. They make money when you buy their funds. Your financial advisor doesn't get a commission on note investments. The system isn't designed to show you the exit door.

What Is a Self-Directed IRA (SDIRA)?

A Self-Directed IRA (SDIRA) is an IRA held at a custodian that allows you to invest in alternative assets — including mortgage notes.

Same tax benefits. Same contribution limits. Same distribution rules. The only difference is who holds the account and what you can buy with it.

There are two types:

Traditional SDIRA

Roth SDIRA

Think about that. You buy a non-performing note for $25,000 inside a Roth SDIRA. Over the next 2 years, you collect $45,000 in payments and payoffs. That $20,000 profit is yours — tax-free. No capital gains. No income tax. Nothing.

How to Set Up an SDIRA for Note Investing

Step 1: Choose a Custodian

Your SDIRA needs a custodian — a company authorized to hold alternative assets in retirement accounts. Major SDIRA custodians include Equity Trust, Entrust Group, IRA Financial, Directed IRA, Alto IRA, and Millennium Trust. Fees vary — some charge flat annual fees ($200–$500/year), others charge per-asset fees. Compare based on your expected number of notes.

Checkbook IRA option: Some custodians let you set up a Checkbook IRA LLC — your IRA owns an LLC, and you manage the LLC's checkbook. This gives you faster transaction speed (no waiting for custodian approval on each deal). Highly recommended for active note investors.

Step 2: Fund the Account

Three ways to get money into your SDIRA:

  1. Rollover — Move funds from an old 401(k) or existing IRA. No tax consequence if done correctly (trustee-to-trustee transfer).
  2. Transfer — Move from one IRA custodian to another. Also no tax consequence.
  3. Contribution — Add new money (subject to annual IRA limits: $7,000/year for 2026, $8,000 if 50+).

The rollover is the big one. Most people have old 401(k)s from previous employers sitting in target-date funds earning mediocre returns. That money can be rolled into an SDIRA within 1–3 weeks.

Step 3: Buy Notes

Once your SDIRA is funded, you direct the custodian to purchase notes on behalf of the IRA. The process:

  1. You find the deal (a non-performing note, or NPL — a mortgage where the borrower has stopped making payments)
  2. You do your due diligence (research the property value, title history, borrower status, etc.)
  3. You instruct the custodian to wire funds to the seller
  4. The note is purchased in the name of your IRA — not your personal name
  5. All income flows back into the IRA

Critical rule: All money flows through the IRA. You can't pay for note expenses out of pocket and reimburse yourself. Servicer fees, legal costs, and all deal expenses must be paid from the IRA account.

The Rules (Don't Break These)

SDIRA investing has specific rules. Violating them can disqualify your entire IRA, triggering taxes and penalties on the full balance. Take these seriously.

Prohibited Transactions

UBIT and UDFI — Rarely an Issue for Note Investors

If your SDIRA uses debt financing, income generated may be subject to Unrelated Business Income Tax (UBIT). For note investing specifically, this is rarely an issue because you're not leveraging the IRA. As long as you buy notes with cash in the IRA, avoid transactions with family, and keep all money flowing through the IRA account — you're fine.

Why Mortgage Notes Are Perfect for SDIRAs

Not all alternative investments work well in retirement accounts. Mortgage notes are arguably the best fit, and here's why:

Don't Want to Do It Yourself? You Don't Have To.

Everything above might sound like a lot of work — finding deals, underwriting notes, negotiating with borrowers, managing servicers. And honestly? It is, if you're doing it yourself.

But here's what most people don't realize: you don't have to be the operator to invest in mortgage notes with your SDIRA or 401(k).

Option 1: Partner With an Active Note Investor

You bring the capital (through your SDIRA or Solo 401(k)), and an experienced note investor finds the deals, does the due diligence, works the borrower, and manages the entire process. You get the returns. They do the work.

Your investment is still secured by the property. You see every number before your money moves. You just don't have to be the one making the calls. Your role: review the deal package, approve the investment, collect returns. That's it.

Option 2: Joint Venture (JV) on Individual Deals

Instead of committing to a fund or ongoing relationship, you can JV on a deal-by-deal basis. The operator brings the deal and the expertise. You bring the capital. Returns are split based on the agreement — typically favoring the capital partner since they're taking the financial risk.

Option 3: Invest in a Note Fund or Private Lend on a Deal

Some note investors pool capital from multiple investors into a fund that buys and manages a portfolio of notes. You invest a lump sum, the fund manager handles everything, and you receive distributions — often quarterly.

Alternatively, your SDIRA can lend money directly to a note investor at a fixed return (often 8–12% annually), secured by the note and the underlying property. Predictable payments, collateral protection, zero operational involvement.

All three options work perfectly inside a Self-Directed IRA. Your custodian wires the funds, the note operator does the work, and all returns flow back into your retirement account — tax-deferred or tax-free depending on your account type.

The key is finding an operator you trust — someone who shows you the math, shows you the collateral, and doesn't disappear after you write the check.

Real-World SDIRA Note Investing Scenarios

Scenario 1: Roth SDIRA — Quick Discounted Payoff (DPO)

Scenario 2: Traditional SDIRA — Loan Modification

Scenario 3: Solo 401(k) — Aggressive Strategy

SDIRAs vs. Regular 401(k)/IRA: The Real Comparison

Factor Traditional 401(k)/IRA Self-Directed IRA
Average annual return7–10% (stocks)12–30%+ (notes)
ControlNone — fund managers decideFull — you pick every deal
VolatilityMarket-dependentAsset-specific
Cash flowDividends (1–3%)Monthly payments (12–20%+)
Tax treatmentSameSame
EffortPassiveActive (but manageable)
Downside protectionMarket crashes affect everythingNotes backed by real property

Common Questions

Can I manage the notes myself inside the IRA?

Yes, with a Checkbook IRA structure. You make the investment decisions. The custodian handles compliance and reporting.

What if I need to foreclose? Can my IRA own property?

Yes. If foreclosure is necessary, the IRA takes title to the property. You'd sell it from within the IRA. Just remember — all costs come from the IRA, and you can't use the property personally.

How much does it cost to set up?

Custodian setup fees are typically $50–$250. Annual maintenance fees run $200–$500. Checkbook IRA LLC setup is $500–$1,500 one-time. These costs are trivial compared to the returns.

Can I use my current IRA at Fidelity?

No — you need to transfer or roll over to an SDIRA custodian that allows alternative investments. Fidelity, Schwab, and Vanguard don't allow note investments.

What if I lose money on a deal?

Losses within an IRA don't get special tax treatment — you can't deduct them personally. This is why diversification across multiple notes matters. One bad deal doesn't sink the whole account.

Can my IRA and I invest in the same deal?

Technically yes (co-investing), but the terms must be identical and documented carefully. Work with a tax professional if you go this route.

Getting Started: The First 30 Days

Week 1: Research SDIRA custodians. Compare fees, services, and note-investing experience. Open an account.

Week 2: Initiate the rollover from your existing 401(k) or IRA. This is a paperwork step — the custodian walks you through it.

Week 3: While funds are transferring, start your education on note investing. Learn to read a tape, underwrite a deal, and evaluate exit strategies.

Week 4: Funds arrive. Start looking at deals. Buy your first note.

The process is simpler than most people think. The hardest part is making the decision to do it.

The Compound Effect

Here's where it gets exciting. Every dollar you earn inside a Roth SDIRA — every payment, every DPO, every note flip profit — stays in the account and compounds tax-free.

If you start with $50,000 and earn 20% annually through note investing:

That's $1.9 million from a $50,000 start — and if it's in a Roth, you pay zero taxes when you withdraw it.

Compare that to a 7% return in index funds: $50,000 grows to $193,500 in 20 years. Not bad, but not $1.9 million.

The vehicle matters. The asset class matters more.

AJ Dent is the founder of Take Notes Capital, a mortgage note investing firm specializing in non-performing notes. Book a free strategy call to learn how your IRA or 401(k) could be working harder for you.