Plain English
What is tax lien investing, and does it actually work?
Tax lien investing means paying a county the property taxes somebody else owes, in exchange for the right to collect that money back with interest set by state law. Most of the time you get a cheque, not a house.
Prepared by the TaxLienSimple Research Team. Reviewed October 4, 2026. The figures on this page come from inventory we hold and refresh nightly, and each one names the county it came from. See our verification policy.
How does tax lien investing work, step by step?
The county publishes a list of parcels with unpaid tax. You pay the tax on one of them. The county gives you a document recording what you paid and what rate you are owed. When the owner settles, the county pays you back with the interest that accrued.
That is the whole mechanism. There is no tenant, no repair, no mortgage and no estate agent. There is also no property, unless things go unusually wrong for the owner.
What is the return, honestly?
The ceiling is set by statute and the reality is set by competition. Florida allows up to 18 percent a year and Arizona up to 16 percent, but at a busy auction investors bid the rate down, sometimes into low single digits.
The full rate tends to survive only on liens nobody bid for, which the county then sells afterwards. So the honest version is this: high advertised rates exist, and they are attached to the parcels that attracted no interest.
What are the pros and cons?
In favour: the rate is set by law rather than by a market, a property tax claim ranks ahead of most other claims including mortgages, the cheque sizes can be small enough to learn on, and there is nothing to maintain.
Against: your money is tied up until somebody else decides to pay, you may have to keep funding later tax bills, the paperwork and deadlines are unforgiving, every state does it differently, and the parcels available without competition are the ones nobody wanted.
Is tax lien investing a good idea for a beginner?
It can be, if you treat the first few as tuition rather than income. The instrument is simpler than rental property and the sums can be small. What is not simple is the state-by-state rulebook, and that is where beginners lose money.
It is a poor idea if you need the money back on a date you choose, because you do not control when redemption happens. It is also a poor idea if what you actually want is a house, in which case look at tax deeds instead.
Is it passive income?
Not really, and the gurus are loosest with the truth here. Choosing parcels takes work, later tax payments take attention, and the deadlines for acting are real. What it is not is a tenant phoning you at midnight.
Call it low maintenance rather than passive. The work is front-loaded into selection and record keeping.
Is tax lien investing a scam?
The instrument is not. It is a statutory mechanism counties have used for generations, and the rates are published in state law. What is often a scam is the course being sold to teach it, especially where the pitch implies you will be buying houses for pennies.
The tell is simple. Anyone emphasising the property outcome over the redemption outcome is describing the rare case to sell you something.
Putting real numbers on it
What a small lien actually returns
- A Lake County, Florida certificate from live county-held inventory, on County Road 42.
- Amount owed and payable to the county: $200.49
- Florida statutory rate on county-held certificates: 18 percent a year, with a 5 percent minimum on redemption
- If the owner redeems after two months at the 5 percent minimum: about $10.02
- If the owner redeems after a full year at 18 percent: about $36.09
Those are the real numbers on a real parcel, and they make the point better than any projection. Thirty six dollars on a 200 dollar outlay is a good rate and a trivial amount of money. Tax lien investing scales by doing it many times, not by doing it once well.
What goes wrong
- You expected property and got repayment. Most liens redeem, which is the system working as designed and not the outcome the courses sell.
- Your capital sits longer than planned. The owner chooses when to pay, inside a window the state sets, and you cannot speed it up.
- You stop at the first cheque. In many states you must pay the later tax bills too, or someone else can take a position ahead of you.
- You bid at a busy auction and win at 2 percent. Winning the lien and winning a good rate are different things.
- You buy the course instead of the lien. The rates are in state statute and the lists are on county websites. Nobody needs to sell you access to a public record.
- You spread across states without reading each rulebook. Redemption periods, notice duties and deadlines differ, and a missed deadline can cost the whole position.
See it for yourself
Every figure above is taken from inventory we track across 22 states and 280 counties, refreshed nightly from nine county and state sources. You can look at the same rows.
Frequently asked questions
How much money do you need to start tax lien investing?
Enough for one lien plus the cost of looking into it. Live county-held inventory today includes Florida certificates around $200. Practically, people who do this seriously spread across many liens, so a few thousand dollars gives you something to learn from.
What is a realistic return on tax lien investing?
At a competitive auction, often low single digits after bidding. On county-held inventory bought at the full statutory rate, up to the state ceiling: 18 percent in Florida, 16 percent in Arizona, 24 percent a year in Iowa. The timing is not yours to choose, so the annualised figure depends on when the owner pays.
Can you lose money on tax liens?
Yes. If the parcel is worthless, redemption never comes and foreclosing leaves you with something unsellable, you lose what you paid plus whatever you spent on diligence and legal work. Missing a statutory deadline can also forfeit the position outright.
Is tax lien investing passive income?
No. Selection, later tax payments and deadlines all need attention. It is low maintenance compared with rental property, because there is no tenant and nothing to repair, but it is not money that arrives without work.
Which states are best for tax lien investing?
The ones whose rules suit your plan, not the ones with the biggest advertised number. Florida and Arizona have high ceilings and heavy competition. Iowa's rate is higher still. What matters more is the redemption period, whether later taxes can be added, and whether the state lets you buy without an auction.
Do I need a licence or a company to invest in tax liens?
Generally no licence. Many counties will sell to an individual, though registration and a deposit are often required before a sale. Some investors use a company for liability reasons, which is a tax and legal question for your own adviser rather than a requirement of the instrument.