Resources · Finding motivated sellers: the complete playbook

Tax-delinquent property lists: how to get one and work it

Updated · by the LowBaller team

You get a tax-delinquent property list from the county treasurer or tax collector, which keeps unpaid property taxes in a delinquent roll, a tax sale list or a file you can request. Sort it by years unpaid and equity, then mail the owners, because multi-year delinquency usually means the owner has stopped investing in the property.

The county files a lien, the balance grows with interest and penalties, and eventually the property faces a tax sale. This guide covers where to get the list, how delinquency escalates year by year, what lien and deed states each do at the sale, and how to work the owners with a letter that solves the problem instead of exploiting it.

What is a tax-delinquent property list?

A tax-delinquent property list is the county's record of parcels with unpaid property taxes. A typical roll shows the parcel number, the property address, the owner's name, the amount due and the tax years unpaid. Some counties add the mailing address, the date the lien was filed and whether the parcel is headed to the next tax sale.

It is one of the quietest distress signals in the county. Nobody posts a sign and nothing is filed in court at first. The owner simply stops paying, and the list is often the only public sign that something has changed. Read it well and you reach owners before a tax sale notice puts them on every other buyer's radar.

Where to get a delinquent tax list

Every county keeps one, but they publish it in different ways. Start with the treasurer or tax collector's website, then fill gaps with a records request. Our delinquent tax list pages show how each county publishes its roll.

Where delinquent tax data comes from in a typical US county. Access, cost and format vary by county; some publish only before the annual tax sale.
SourceWhat you getFormat and costHow fresh
Treasurer or tax collector websiteParcel, owner, amount due, years unpaidFree parcel search; some counties sell the full fileUpdated as payments post
Published tax sale listParcels headed to the next saleFree, on the county site or in a newspaper legal noticeWeeks before each sale
Public records requestThe full delinquent rollFree to a small fee, depending on the countyAs of the request date
County assessorOwner name and mailing address to pair with the rollFree parcel search, bulk files varyUpdated when deeds record
Data vendors and lead toolsCompiled delinquency with owner recordsSubscriptionVaries; ask how often it refreshes
Where delinquent tax data comes from in a typical US county. Access, cost and format vary by county; some publish only before the annual tax sale.

Pair the roll with the assessor's mailing address

A delinquent roll often lists the property address, not where the owner lives. The assessor's mailing address is where the tax bills go, and when it differs from the property, you have an absentee owner and a better letter target.

How tax delinquency escalates

Year one is often an oversight: a missed bill, an escrow change, a dispute over the assessment. Year two is a pattern. By year three the owner has usually stopped investing in the property, the balance has grown with interest and penalties, and a tax sale is on the horizon.

How fast the balance grows is set by state law, and it varies widely. The rates investors earn at lien sales show what redemption costs the owner: up to 16 percent a year in Arizona, bid down from 18 percent in Florida, and 2 percent a month in Iowa. In Texas, a redeemable tax deed carries a 25 percent first-period penalty. Confirm current rates with the county treasurer.

LowBaller's Deal Score scores that progression directly: 1 year unpaid is 20 pressure points, 2 years 32, and 3 or more years 40. The simpler motivation weights behind the free tools give a tax lien a flat 12 points. Either way, tax delinquency stacks powerfully with vacancy: an owner not paying taxes on a house nobody lives in has mentally already left.

Unpaid property taxes as a motivation signal

Taxes unpaid 1 year20 pts
Taxes unpaid 2 years32 pts
Taxes unpaid 3+ years40 pts
Vacant (for comparison)24 pts
Notice of default, last 30 days (for comparison)66 pts
LowBaller Deal Score: pressure points by years of unpaid property tax, with two other signals for comparison.

Tax lien vs tax deed states: what happens at the sale

What happens at the end of the road depends on the state's tax-sale system. In a lien state, the county sells a certificate on the debt. The investor earns interest, the owner keeps the house during a redemption period, and only after that can the lien holder seek a deed. In a deed state, the county sells the property itself, sometimes with a short redemption window. Some states mix the two, and big counties can differ from the rest of the state.

For you, buying from the owner, this sets the deadline. A deed-state owner with a sale date this summer is under real pressure. A lien-state owner may have years before anyone can take title, so the pressure builds more slowly. Our map of tax lien vs tax deed states covers every state.

LowBaller state registry: tax-sale systems at the summary level. Rates, dates and redemption rules vary by county and change; confirm with the county treasurer.
StateTax-sale systemTypical detail
ArizonaLienFebruary online lien sales at up to 16%, with a 3 year redemption before foreclosure
FloridaLienJune certificate sales bid down from 18%; a tax deed application can follow after 2 years
IllinoisLienPenalty-rate bidding with a 2 to 3 year owner redemption before a tax deed
IowaLienJune sales at 2% per month, with about 21 months of redemption
TexasRedeemable deedFirst-Tuesday sales; a 25% first-period penalty and a 180 day (2 year homestead) redemption
GeorgiaRedeemable deedCourthouse sales with a 20% premium and a 1 year owner redemption
CaliforniaDeedTax-defaulted land auctions after five years of delinquency
MichiganDeedCounties take title through forfeiture after roughly 3 years, then auction
LowBaller state registry: tax-sale systems at the summary level. Rates, dates and redemption rules vary by county and change; confirm with the county treasurer.

How to read a tax-delinquent list

  • Years delinquent: one year is noise, two is a lead, three or more is a priority. Many one-year cases are an escrow mix-up or a missed bill that gets paid.
  • Sale date: a parcel on the next tax sale list has a real deadline. One with a single missed bill does not.
  • Owner type: tax-delinquent lists often include estates, heirs and long-distance owners. Expect mail to be your main channel.
  • Mortgage: a house with an active mortgage usually does not stay delinquent for long, because lenders often escrow or advance the taxes to protect their loan. Long delinquency often means little or no loan, which is what makes a deep discount closeable.
  • Amount owed vs value: $9,000 owed on a $40,000 lot is a different deal from $9,000 owed on a $250,000 house. Compare the balance to the value, not to other parcels.
  • Stacking: delinquent plus vacant plus an out-of-state owner is among the strongest leads in any market.

Worked example: what the owner walks away with

The pitch is relief, not rescue. Run the numbers each way so the owner sees the real choice. Example: a vacant house worth $180,000, no mortgage, about $14,000 in back taxes, interest and penalties, and about $25,000 of repairs before it could be listed.

Listing nets more if the owner can fund the repairs and wait. Selling now nets less but stops the penalties and takes the house off their hands within weeks. Waiting hands the price to the auction. Since the US Supreme Court's 2023 decision in Tyler v. Hennepin County, a county generally cannot keep surplus beyond the tax debt, but owners often have to file a claim to get it. Rules vary by state, so confirm locally.

Worked example with assumed numbers. The 35% discount is within LowBaller's model targets for deep tax delinquency, not a measured result; selling costs with an agent typically run 6 to 10%.
LineSell to an investor nowRepair and list with an agentWait for the tax sale
Price$117,000 (35% under value)$180,000 after repairsSet by the auction
Back taxes, interest and penalties$14,000About $15,000, still growingPaid from the sale price
Repairs$0$25,000, paid up front$0
Selling costsAbout $3,000About $14,400 (8%)Varies
Owner walks away withAbout $100,000About $125,600Only the surplus, usually by filing a claim
Time to cash2 to 4 weeksMonths, if the repairs get fundedOn the county's schedule
Worked example with assumed numbers. The 35% discount is within LowBaller's model targets for deep tax delinquency, not a measured result; selling costs with an agent typically run 6 to 10%.

How to get and work a delinquent tax list, step by step

Here is the routine for one county, start to finish. The first pass takes an afternoon; after that, it follows the county's tax calendar. For the buyer's side of these deals, including title checks and the payoff letter, see how to buy a house with back taxes.

  1. 1

    Find the county's delinquent roll

    Check the treasurer or tax collector's site for a delinquent list or an upcoming tax sale list. If only a parcel lookup exists, file a public records request for the full roll.

  2. 2

    Note the tax years for every parcel

    Years unpaid matter more than the dollar amount. Mark each parcel as one, two, or three or more years behind.

  3. 3

    Pair each parcel with the owner's mailing address

    Pull the owner name and mailing address from the assessor. Flag every owner whose mailing address differs from the property.

  4. 4

    Check the tax-sale system and the next sale date

    Learn whether your state sells liens or deeds and when the next sale is. A parcel on the next sale list moves to the top.

  5. 5

    Screen for equity and value

    Check the recorder for mortgages and other liens, compare the balance owed to the value, and drop parcels where a fair discount would not leave the owner real money.

  6. 6

    Rank and mail

    Put three-plus years, near sale dates and stacked signals like vacancy first. Send a short letter with a real number and what the owner keeps after the taxes are paid.

  7. 7

    Follow up on the county's calendar

    Mail again when the county sends its tax sale notices, and remove any parcel the moment the taxes are paid.

What to say to a tax-delinquent owner

Because these owners are hard to reach by phone, a clear letter with a real number outperforms scripts. Say what you found in plain words (the taxes are behind and the county has a sale process), what you can pay, and what the owner keeps after the taxes are cleared. Never imply that you are from the county or that the sale is closer than it is.

Patience wins here. Tax situations ripen slowly, so keep mailing on a schedule, and time a letter to land when the county's tax sale notices go out. When an owner pays the taxes, take them off the list and wish them well. Calls follow the usual rules: Do-Not-Call-filtered numbers only, dialed by hand, 8am to 9pm local time, and never a cold text.

LowBaller ranks tax delinquency alongside foreclosures, probate and vacancy in one list for any US ZIP or city, with a suggested offer on each property. The free market scan shows how many motivated sellers are near you in about 2 minutes, with no card needed.

Frequently asked questions

How do I find tax delinquent properties?

Start with the county treasurer or tax collector, which keeps the delinquent roll and publishes tax sale lists before each sale. Many counties offer a free parcel search; some sell the full file or release it through a records request. Pair each parcel with the owner's mailing address from the assessor, then rank by years unpaid.

How many years of delinquency matters?

Two or more years is the meaningful threshold, and three or more is a priority. One year is often an oversight or an escrow mix-up. Multi-year delinquency signals an owner who has disengaged from the property, and the growing balance creates a deadline as the county moves toward a tax sale.

Can I buy a house just by paying its back taxes?

No. Paying someone's property taxes does not transfer title to you. Tax lien certificates and tax deeds are separate county-run processes with their own rules and redemption periods. Buying directly from the delinquent owner before the tax sale is usually simpler and fairer to both sides, and the sale can pay the taxes at closing.

Are delinquent property tax lists public record?

Yes, in most of the US. Property tax records are public, and most counties publish delinquent parcels before a tax sale, often online or in a newspaper legal notice. Access varies: some counties post a free list, some charge for the full file, and some release it only through a public records request.

What is the difference between a tax lien sale and a tax deed sale?

At a tax lien sale, the county sells a certificate on the unpaid taxes; the buyer earns interest, and the owner keeps the house during a redemption period. At a tax deed sale, the county sells the property itself. Which one applies depends on the state and sometimes the county, so confirm it locally.

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