Instead of owning a rental property, some investors buy the mortgage itself and collect the monthly payments. Here's how note investing works, what it can earn, and the risks beginners overlook.
When most people think about making passive income from real estate, they picture being a landlord: buying a property, finding tenants, and fielding calls about broken water heaters. But there's another way to earn from real estate that skips the tenants and toilets entirely. Instead of owning the house, you own the loan on the house — and the borrower sends you a check every month.
This is called mortgage note investing. It's been around for decades, mostly among professional investors, but it's become more accessible thanks to online marketplaces and note funds. This guide explains how it works in plain language, what kind of returns people aim for, and the risks you need to understand before putting any money in.
When someone buys a home with a loan, they sign two main documents:
The promissory note — the borrower's promise to repay a certain amount, at a certain interest rate, over a certain time.
The mortgage or deed of trust — the document that lets the lender take the property if the borrower stops paying.
Whoever owns the note has the right to receive the payments. Notes can be bought and sold, just like other investments. When you buy a note, you step into the lender's shoes — you "become the bank."
There are two main types of notes investors buy:
Performing notes are loans where the borrower is paying on time. You buy the note and collect the monthly payments. Because the risk is lower, the discount you get is smaller. Many investors target yields somewhere in the high single digits to low double digits on performing notes, though actual returns vary widely.
Non-performing notes are loans where the borrower has stopped paying. Investors buy these at a steep discount — sometimes a fraction of the unpaid balance — and then try to work out a new payment plan, a loan modification, or, as a last resort, foreclosure. The potential return is higher, but so is the complexity, cost, and emotional weight. These are generally not for beginners.
There are also seller-financed notes, created when a homeowner sells a property and acts as the lender themselves. Sometimes those sellers later want a lump sum and will sell the note at a discount.
Notes are often sold for less than the remaining balance. That discount is where much of the return comes from.
Say a note has a remaining balance of $100,000 at 7% interest. If you buy it for $85,000, you're collecting payments based on $100,000 while having invested only $85,000. Your effective yield is higher than the 7% interest rate on the loan itself.
There are a few ways in:
Buying whole notes directly from banks, note brokers, or online marketplaces. This usually takes tens of thousands of dollars per note and a lot of homework.
Buying partial notes — the rights to a certain number of payments rather than the whole loan.
Note funds — pooled funds run by professional managers that buy many notes. These spread out risk but come with fees, and many are only open to accredited investors.
Note investing sits alongside other alternative real estate strategies like Real Estate Syndications and Tax Lien Investing. If you're still building a basic portfolio, start with our investing guides first.
Harold, 55, has $60,000 he wants to put toward passive income. He buys a performing seller-financed note with a remaining balance of $68,000, a 7.5% interest rate, and 15 years left. He pays $58,000. The borrower's monthly payment is about $630. Harold hires a licensed loan servicer for about $25 a month to collect payments, send tax forms, and handle compliance. He nets about $605 a month, or roughly $7,260 a year — around a 12.5% cash yield on what he paid, before taxes, and assuming the borrower keeps paying.
Lena, 41, is more cautious. She puts $25,000 into a note fund that owns hundreds of performing and re-performing loans. The fund targets a 9% annual return after fees, paid quarterly. Her income is lower and she has less control, but she doesn't have to vet individual borrowers or properties, and one default won't sink her investment.
Both understand that their returns aren't guaranteed. If Harold's borrower stops paying, his income stops too — and he may face legal costs to resolve it.
Skipping due diligence on the property. The property is your collateral. Check its current value, condition, and whether property taxes and insurance are paid. A note secured by a property worth less than the loan balance is a much riskier investment.
Ignoring the borrower's payment history. Ask for the full pay history. A borrower who's paid on time for five years is very different from one who just started.
Not using a licensed servicer. Mortgage servicing involves consumer protection rules. A professional servicer helps you stay compliant and keeps records clean.
Underestimating foreclosure costs and time. In some states, foreclosure can take a year or more and cost thousands in legal fees.
Putting too much into one note. A single default can wipe out years of returns. Diversify across several notes or use a fund.
Falling for guaranteed-return pitches. Anyone promising guaranteed high yields on notes is a red flag.
Learn the basics of promissory notes, liens, and servicing before buying anything.
Decide your approach — whole notes, partials, or a fund — based on how much money and time you have.
Start with performing notes if you're new.
Order a property valuation and title check on any note you consider.
Hire a licensed loan servicer to handle collections and compliance.
Keep it to a small slice of your portfolio. Notes are illiquid, meaning they can be hard to sell quickly. Many borrowers also refinance through traditional loans, which can pay you off early.
Talk to a tax professional about how interest income is taxed.
Mortgage note investing lets you earn real estate income without being a landlord. Performing notes bought at a discount can produce steady monthly payments, and note funds make it possible to participate with less money and more diversification. But notes are illiquid, borrowers can default, and the homework is real. Treat it as a specialized slice of a well-diversified portfolio, not a shortcut to easy money.
This article is for general educational purposes only and isn't investment, tax, or legal advice. Note investing involves significant risk, including loss of principal; returns are not guaranteed. Consult a qualified financial advisor, attorney, or tax professional before investing.
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