1. What a tax delinquent list is
A tax delinquent list is a set of parcels where the property tax bill was not paid by the due date. The county adds penalties and interest, and if the debt stays unpaid long enough, state law lets the county move toward a tax lien sale or a tax deed sale. The exact steps, timelines and names differ from state to state.
For an investor, the list matters because it points to owners who may be ready for a change. Some forgot a bill. Some inherited a house they cannot afford to keep. Some are simply short on cash this year. The list tells you about the tax account, not about the person, so treat every row as a question and not as a verdict.
2. Where the list comes from
Property tax is a county job in most states, and in some states a town, city or parish collects it. Look for these offices and records:
- The treasurer or tax collector. This office keeps the account history. Some post a searchable delinquent roll on their website. Others send a file when you ask.
- Published delinquent notices. Many states require the county to publish a notice listing delinquent parcels, often in a local newspaper or on the county site, before it can sell liens or deeds.
- Tax sale lists. Before a lien or deed auction, the county or its sale agent usually posts the parcels that will be offered. This list is shorter, since many owners pay before the sale.
How to ask for it
Call or email the office and ask three things: whether it has a delinquent list in a spreadsheet format, what fields are in it, and what it charges. If the office says it does not publish one, ask how to file a public records request. Every state has its own public records law with its own rules on fees, timing and what can be held back. The federal Freedom of Information Act is about records of federal agencies, as FOIA.gov describes it, so your request to a county goes under state law instead.
Ask for the file as CSV or Excel when you can. A scanned PDF of a newspaper notice works, but it takes more cleaning.
3. Fields you will usually see
Counties name their columns in their own way. These are the common ones and what to watch for.
| Field | What it tells you | Watch for |
|---|---|---|
| Parcel or account number | The key that ties the row to the assessor and deed records | Leading zeros and dashes that a spreadsheet can strip |
| Owner name | The owner of record on the tax roll | Short display names, ETAL, or a name that changed after a sale |
| Mailing address | Where the tax bill is sent | A lender, a tax service or an old address |
| Property or situs address | Where the parcel is | Blank on vacant land, or a legal description in its place |
| Tax years owed | How long the account has been behind | One year often means a missed bill; several years can mean more |
| Amount due | Tax plus penalties and interest | It changes every month, so note the date you pulled it |
The owner on the tax roll and the owner on the deed are not always the same. The tax record versus deed guide explains why they drift apart and which one to trust.
4. Turn the file into a clean property list
- Keep one row per parcel. Some counties list each tax year as its own row. Combine them and keep the earliest year owed in a column.
- Drop rows you will not work. Government owners, churches, utilities and parcels already redeemed do not belong on a seller list.
- Check recent payments. A list pulled a month ago may include owners who have since paid. Spot check a few rows on the treasurer site before you spend money on the whole file.
- Separate the two addresses. Keep the property address and the mailing address in their own columns. Mixing them is the most common cause of a wrong contact.
- Flag vacant land. Rows with no street address need the parcel number to stay useful. See finding a vacant land owner by parcel number.
5. Why owners fall behind
People miss tax bills for many reasons: a job loss, a medical bill, a death in the family, a divorce, an escrow account that closed when a loan was paid off, or a rental that sat empty. Some owners live in another state and never got the bill because their mailing address is old.
That range of reasons is why tone matters. The person who answers may be embarrassed, scared or angry. They may not know the account is late at all. Lead with who you are and why you are calling, and let them decide whether to keep talking.
6. Where Locate Next fits
Locate Next does not supply tax delinquent lists and has no delinquency filter. You bring the list from the county, and Locate finds ways to reach each owner.
- Upload the CSV or Excel file, up to 25,000 rows, with no template. Locate suggests which columns hold the owner, the property address, the mailing address and the parcel number.
- It tidies addresses without changing your original cells, holds rows it cannot settle, such as PO boxes or legal descriptions, with a plain reason, and searches a property listed twice only once.
- For each person found you get phones with line type and connected or disconnected status, emails, address history and possible relatives and associates.
- You see the most the list can cost before it runs. Then you export a CSV with your own columns first, ready for your CRM.
A name match is a suggestion, not proof. Compare it with the tax roll and the deed before you call. Start with bulk skip tracing, or get started.
7. Reaching owners with care
- Respect calling hours. The FCC rule at 47 CFR 64.1200(c)(1) bars telephone solicitations to a home before 8 a.m. or after 9 p.m. local time where the person is.
- Check the Do Not Call registry. The FTC says a registration on the National Do Not Call Registry never expires. Scrub your numbers through your own process; see DNC scrubbing.
- Honor stop requests. The same FCC rule says a do-not-call request must be recorded and honored within a reasonable time.
- Check your state. States can add rules on calls, texts and buying homes from owners in distress.
A short, calm opener works best: "Hi, this is [your name]. I buy houses in the area and saw the property on [street]. Is this a good time, or should I let you go?"
Common questions
Are tax delinquent property lists public?
In many places, yes, because the county must give notice before a tax sale. What is published, and in what format, depends on the state and the county. Ask the treasurer or tax collector, and file a public records request if needed.
Is a tax delinquent owner always a motivated seller?
No. Many owners pay late and keep the house. A long run of unpaid years is a stronger sign than one missed bill, but only a conversation tells you what the owner wants.
How often should I pull a fresh list?
Often enough that paid accounts drop off before you call. Note the date on each pull and spot check rows against the treasurer site.
Can Locate Next build a tax delinquent list for me?
No. Locate Next has no tax delinquency data or filter. Get the list from the county and upload it to skip trace the owners.
Sources
- 47 CFR 64.1200, FCC rules on telephone solicitation. Checked November 5, 2026.
- FTC, National Do Not Call Registry FAQs. Checked November 5, 2026.
- FOIA.gov, frequently asked questions. Checked November 5, 2026.
This page is general information, not legal advice.