Real estate income
Tax-Lien and Tax-Deed Investing
Counties auction the unpaid property tax bill; a lien buyer collects statutory interest when the owner redeems, and a deed buyer gets the property itself.
When a property owner fails to pay property taxes, the county sells either a tax lien certificate — a claim for the unpaid taxes plus statutory interest — or a tax deed transferring the property outright. Lien investors are repaid with interest when the owner redeems within the statutory redemption period, and may foreclose if redemption never happens. Rules, interest rates, auction formats and redemption periods are set entirely by state and county law, so this is a jurisdiction-by-jurisdiction discipline rather than a single asset class.
Interest from lending Semi-passive
The labels above place this income type before you read a word. The first is the mechanism — how the money actually reaches you, whether by lending it out, owning a slice of something, renting an asset, licensing a right, selling an option or owning a business somebody else runs. The second says whether the income keeps arriving on its own once it is running, or whether it needs work from you to keep coming. Both are descriptions of how the thing is built, not verdicts on it.
How it works
In lien states, the county sells a certificate representing the delinquent tax bill rather than the property. If the owner redeems, they pay the back taxes plus a statutory interest or penalty rate, and that payment goes to the certificate holder. In deed states, the county sells the property itself, and the winning bid extinguishes the tax claim and, subject to state law, transfers title directly. Hybrid and redeemable deed states sit between the two: the auction conveys a deed, but a redemption period follows during which the former owner can reclaim the property by paying a statutory penalty to the buyer.
Auction mechanics vary by jurisdiction. Some counties have bidders bid the interest rate down from a statutory maximum, so the winner is whoever accepts the lowest return. Others have bidders bid a premium above the taxes owed, or bid down the percentage of the property they would receive if it were never redeemed. Some use random or rotational selection instead of open bidding.
Redemption periods are fixed by statute and can run from a few months to several years. During that window the investor holds a legal claim, not a property, and generally must keep paying any subsequent year's taxes on the parcel to protect priority — a recurring capital outlay with no interim income. Certificates that draw no bidders at the initial sale are often sold over the counter afterward, directly from the county, at the statutory rate with no competitive bidding.
What it pays
The return is set by state statute as an interest or penalty rate, not a market rate — its structure and level differ from one jurisdiction to the next, and some states apply the rate as a flat penalty regardless of how quickly redemption happens. Competitive auctions routinely erode that headline number: bidding the rate down toward zero, or paying a premium that is not refunded on redemption, both reduce what the investor actually collects.
Timing drives the realized return as much as the statutory rate does. A penalty-style state where redemption happens quickly can produce a high annualized return, while a simple-interest state with a slow redemption stretches the same dollar return over years and lowers the annualized figure. If redemption never happens and foreclosure succeeds, the outcome stops being an interest payment and becomes property ownership acquired for the taxes and costs advanced — a different asset and a different risk.
Deed auctions carry no interest component at all. The entire return depends on whether the property, once cleanup and holding costs are counted, is worth more than the winning bid.
Costs and taxes
Holding a lien or an unredeemed deed generates ongoing costs: subsequent-year property taxes paid to preserve priority, recording fees, and — if redemption never occurs — legal costs to foreclose or quiet title. Foreclosure and quiet title actions require an attorney in most jurisdictions, take months to complete, and carry statutory notice requirements to the owner and any other lienholders that must be followed exactly.
For US federal tax purposes, interest received on redemption is ordinary income in the year received. Property acquired through foreclosure takes a tax basis equal to the amount invested — taxes paid, subsequent taxes advanced, and foreclosure costs — and is taxed on any gain when it is later sold.
Title insurance is generally unavailable on a tax deed until a quiet title action has cleared the record, which limits resale to cash buyers or requires that legal step before financing or a conventional sale is possible. Due diligence — title searches, physical inspection, environmental screening — is a recurring cost on every parcel evaluated, whether or not a bid is ultimately placed.
Liquidity and time commitment
Capital is locked up until redemption occurs or a foreclosure process runs its course, on the timetable set by state statute rather than by the investor. There is no meaningful secondary market for individual certificate holders to sell out early; the only exits are redemption or taking the property.
The effort is front-loaded and substantial. Before bidding, each parcel needs a title search, a check for other encumbrances, and physical verification that the property exists and is not worthless. Auctions themselves happen on the county's calendar, often once a year per jurisdiction, in person or online, and require showing up prepared rather than acting opportunistically.
Scaling this activity requires systems for parcel research and deadline tracking. Institutional buyers with automated title and valuation screening dominate the largest county sales, which tends to compress the returns available to smaller, manual bidders.
How it goes wrong
The most common failure is bidding on a parcel that has no real value — a landlocked sliver, a wetland strip, or a condemned structure that carries demolition liability rather than resale value. Environmental contamination can attach to an acquired property and create cleanup costs that exceed what the property is worth, transferring a hidden liability along with the deed.
Missing a statutory notice or filing deadline can forfeit the certificate or unwind a foreclosure entirely, since these processes are procedural and unforgiving. Federal tax liens, an IRS right of redemption, other municipal claims, and bankruptcy filings can survive or delay a tax foreclosure regardless of how carefully the investor followed state procedure.
Competitive bidding is its own risk: pushing the rate down or paying a large premium to win a lien can compress the return to well below the statutory rate. The underlying error behind most of these outcomes is the same — treating the advertised statutory rate as the return, without netting out any premium paid, subsequent taxes advanced, and the actual time to redemption.
What to remember
- A tax lien pays statutory interest on redemption; a tax deed conveys the property itself, with no interest component.
- Rules, rates, auction formats, and redemption periods are set entirely by state and county law, so this is jurisdiction-specific rather than one asset class.
- The advertised statutory rate is not the realized return once auction premiums, rate bidding, and subsequent taxes advanced are counted.
- Capital is illiquid until redemption or completed foreclosure, which can take months to years, with no real secondary market for individual holders.
- Unredeemed liens can end in ownership of a worthless or contaminated parcel, and procedural or notice errors can forfeit the claim entirely.
- Interest received is ordinary income; foreclosed property takes a basis in the amount invested and is taxed on later sale.
This page explains how the income type works, which does not change from week to week, so it deliberately carries no rate and no price. The links below go to the pages that hold the current figures for it, each one stamped with the date the data was pulled. Read the mechanism here first: the numbers there are far easier to judge once you know what they are measuring.
See the live numbers: Private Credit.
Frequently asked
What is the difference between a tax lien and a tax deed?
How is the interest rate on a tax lien determined?
Do most tax liens end with the investor owning the property?
What makes tax-lien investing risky if the lien is backed by real estate?
Written for information only. Nothing here is investment, tax or legal advice, and no page on this site recommends buying or selling anything. Rules and tax treatment change; verify anything that matters with a professional who knows your situation. This explainer was drafted by a language model (claude-sonnet-5) from an editor-approved outline and fact sheet, under the rules set out in our editorial policy, and carries no market figures. Last updated Jul 29, 2026.