Guide for auction buyers
How to research a property before a tax deed auction
By the U.S. Title Research team. Updated 2026-11-06. General information, not legal advice.
Before a tax deed auction, pull the property's chain of title, list every recorded lien in recording order, confirm the unpaid taxes and assessments with the tax office, check for federal tax liens and any bankruptcy case, and learn whether the state gives the former owner a redemption period. Then decide whether the property is worth the total.
What is a tax deed auction?
A tax deed auction is a public sale held by a taxing authority to collect property taxes left unpaid for a period set by state law. The winning bidder receives a tax deed, which transfers whatever interest the taxing authority can convey. It carries no promises about title, and the buyer takes the property subject to whatever survives the sale.
Tax deed sales are different from tax lien certificate sales. In a tax lien certificate sale, the bidder buys the right to collect the unpaid taxes plus interest from the owner, and may receive the property only if the owner never pays. In a tax deed sale, the property itself is sold. Some states use one system, some the other, and some use both at different stages. The notice of sale and the county's rules say which kind of sale it is.
Because the deed comes with no promises, the research has to be done before the sale, and it has to answer five questions: who owns the property, what is recorded against it, what is really owed, whether anyone can take it back, and what the land actually is.
Who owns the property, and is anyone in bankruptcy?
Start with the owner of record, the person or entity on the last recorded deed, and the vesting, how they hold title. The chain of title, the recorded history of every transfer, shows how that owner acquired the property. Tax-delinquent properties often have untidy ownership: an owner who died, heirs who recorded nothing, or an entity that no longer exists.
Ownership matters at a tax sale because the taxing authority must notify the people with an interest in the property before it sells. Who must be notified, and how, is set by state law, and a sale with defective notice can be challenged later. A bidder cannot fix the county's notice, but knowing that the owner of record is deceased or an inactive company tells the bidder how much uncertainty the deed will carry.
Bankruptcy is the other ownership question. When an owner files bankruptcy, federal law generally stops collection actions against the owner's property, including a tax sale, while the case is pending. Bankruptcy cases are heard in the federal bankruptcy courts, and a search of the court's records for the owner's name shows whether a case is open. A pending case against the owner belongs in the file before the sale, not after.
Which liens are recorded against the property?
A lien is a legal claim against a property for money owed. From the chain of title, list every lien in the order it was recorded: mortgages and deeds of trust with release status, recorded judgments, homeowners association (HOA) liens, municipal liens for utilities, code enforcement or demolition, contractor liens for unpaid work, and federal and state tax liens.
What a tax deed sale does to those liens varies widely by state. In some states a tax deed removes most private liens, such as mortgages and judgments, because the tax lien ranks above them. In others, certain liens survive, and government liens often follow their own rules. Never assume the sale clears everything; the state's rule for this type of sale, applied to this lien list, is the only answer.
Federal tax liens deserve a separate line. The IRS explains how these liens arise and are released on its page Understanding a federal tax lien. Whether a tax sale removes a federal tax lien depends on the notice given to the United States and on the type of sale, and under 26 U.S.C. 7425 the United States holds a right to redeem the property after certain non-judicial sales. A recorded federal tax lien against the owner changes the risk of the purchase.
How much is really owed?
The opening bid at a tax deed auction is usually the delinquent taxes, penalties, interest and costs for the years being sold, rarely the total a buyer will owe. Taxes for the current year, special assessments, municipal utility balances and demolition or cleanup charges may not be in the opening bid and may remain due after the sale.
Verify the figures with the tax office and the municipality rather than reading them from an auction list. Ask what tax years the sale covers, what remains unpaid outside the sale, whether any special assessments are attached and whether the municipality holds any charge against the property. Where an HOA exists, request the balance and learn whether the state gives any part of it priority that survives a tax sale.
Add any lien the state's rules allow to survive. The total of the opening bid, the surviving liens, the unpaid taxes and assessments outside the sale and the municipal charges is the real cost to own. Comparing that total with what the property is worth, rather than comparing the opening bid with the assessed value, is the decision that separates a good purchase from an expensive one.
What is a redemption period, and does it apply?
A redemption period is a window after the sale during which the former owner, and sometimes others with an interest in the property, can pay the taxes, costs and interest and take the property back. Whether a tax deed sale carries a redemption period, how long it lasts and who may redeem vary by state.
While a redemption period runs, the buyer's ownership is not final, which affects when it is safe to spend money on the property. The federal government also holds its own redemption right after certain non-judicial sales of property carrying a federal tax lien, under 26 U.S.C. 7425, separate from any state rule.
Even after redemption ends, a tax deed is often not accepted by title companies as a basis for a title insurance policy until a court has confirmed it. Many tax deed buyers file a quiet title action, a lawsuit asking a court to declare who owns the property and remove competing claims, before they can sell or borrow against it. Whether that step is needed, and how long it takes, depends on the state and on the quality of the notice the county gave before the sale.
What does the record say about the land itself?
Tax sale lists describe properties by parcel number and a short legal description, which can mislead. The parcel may be a sliver left after a road widening, a landlocked lot with no recorded access, or a lot that cannot be built on under the recorded plat. The legal description, plat and assessor's parcel map show what is actually for sale.
Recorded easements belong in the file. An easement is a right someone else holds to use the land for a stated purpose, such as a utility line or a neighbor's driveway, and it stays with the land through a tax sale. Recorded restrictions, which limit how the land may be used, also stay. Building permits on file show whether work was done and whether it was finished, which is the closest the record comes to describing condition.
The record cannot show the roof, the plumbing or the occupants. It can show that the parcel is unbuildable, has no access or is subject to an easement that covers most of it, and any of those is enough to walk away from a bid that looked cheap.
What should be in your file before the sale?
Before the sale, the file should hold the owner of record and vesting, the full lien list in recording order with release status, the tax office's confirmation of what is owed inside and outside the sale, any HOA balance and federal tax lien, the state's redemption rule for this type of sale, and the legal description, plat, easements and permits.
Every item should come from the recorded instrument or the office that keeps the record, with the document itself attached, and the file should be dated close to the sale because new liens and new filings appear right up to the auction. Research done weeks earlier should be rechecked if the sale is postponed.
If the auction is a mortgage foreclosure rather than a tax sale, read our guide on which liens survive a foreclosure sale, because the rules differ. When you want the research done for you, the auction buyer package delivers the chain of title, the lien list, the total cost to own in dollars, the redemption rules for that state and a plain-language verdict before the sale, with a free re-dated update if the sale is postponed within 60 days.
When you need the record, not just the explanation: the auction buyer package researches the property, verifies the findings with the county and explains what to do next, in 1 to 3+ days.
Questions people ask
What is a tax deed?
A tax deed is the document a county or other taxing authority issues to the winning bidder at a tax sale held to collect unpaid property taxes. It transfers whatever interest the taxing authority can convey and carries no promises about the condition of title. What liens the sale removes, whether the former owner can redeem and whether a court must confirm the deed all depend on state law.
How is a tax deed sale different from a tax lien certificate sale?
In a tax lien certificate sale, the bidder buys the right to collect the unpaid taxes plus interest from the owner, and may receive the property only if the owner never pays. In a tax deed sale, the property itself is sold and the bidder receives a deed. Some states use one system, some the other, and some use both at different stages. The notice of sale states which kind of sale is being held.
Does a tax deed sale wipe out a mortgage?
In many states a tax deed removes private liens such as mortgages because the property tax lien ranks above them, but the rule varies by state and by type of sale, and government liens often follow different rules. Whether a particular mortgage survives depends on the state's rule applied to that lien. The lien list should be read against the state rule for every property before bidding.
Can the former owner get the property back after a tax deed sale?
In some states yes, during a redemption period that runs after the sale, by paying the taxes, costs and interest. Other states provide no redemption after a tax deed sale. The length of the period and who may redeem vary by state. Until any redemption period ends, the buyer's ownership is not final, and spending money on the property carries risk.
Why would a tax deed buyer need a quiet title action?
A quiet title action is a lawsuit asking a court to declare who owns the property and remove competing claims. Tax deeds are often not accepted by title companies as a basis for a title insurance policy until a court has confirmed the sale and the notice behind it, so many buyers file one before selling or borrowing against the property. Whether it is needed depends on the state and the quality of the county's notice.
What should I verify with the tax office before a tax deed auction?
Which tax years the sale covers, what remains unpaid outside the sale, whether special assessments are attached to the parcel, whether the municipality holds utility, code enforcement or demolition charges against it, and the exact payoff figures for each. These amounts are often not in the opening bid and may remain due after the sale, so they belong in the total cost to own.