Letter 3172 tells you the IRS has filed a Notice of Federal Tax Lien (NFTL) for a tax debt you haven't paid. A federal tax lien is the government's legal claim against your property, both what you own now and what you get later. The NFTL is the public record that tells your creditors about it. A lien is not a seizure. Nobody is taking your house or emptying your bank account because of this letter. But it can make borrowing, selling or refinancing harder. You have a limited window to request a hearing, and there are clear ways to get the lien released or withdrawn.
Why you got a Letter 3172
After the IRS assesses a tax, sends a bill and the balance isn't fully paid, a lien arises automatically by law. The IRS may then file a public NFTL with a county recorder or Secretary of State office to protect its priority over other creditors. Publication 1660 says the IRS must notify you within 5 business days after it first files an NFTL for each tax and period. Letter 3172 is that notice. It often follows unpaid balance notices like the CP501, CP503 or CP504, each of which warns that a lien may be filed.
What the Letter 3172 says
The Taxpayer Advocate Service says to review the letter and the enclosed Form 668(Y)(c), Notice of Federal Tax Lien, for:
- Type of tax and tax periods covered.
- Assessment dates and unpaid balances as of the filing. The NFTL doesn't show your payoff amount or the filing and release charges.
- The deadline to request a hearing. Publication 1660 explains it's 30 days after the 5-business-day notice period, and the letter states the exact date.
- The contact person for payoff amounts and payment arrangements.
- Passport information. A filed lien is one of the conditions for passport certification of seriously delinquent debt. See CP508C.
What to do
- Write down the hearing deadline from the letter. That date, not 30 days from when you opened it, is what counts.
- Get your payoff amount. Call the contact on the letter, or the IRS Centralized Lien Operation at 800-913-6050, to learn the full amount needed to release the lien.
- If you can pay in full, pay. The IRS releases a lien within 30 days after you've paid your tax debt.
- If you can't pay in full, set up a collection alternative such as an installment agreement or offer in compromise. This stops further collection actions, though the lien generally stays until the debt is paid.
- If you think the lien is inappropriate, request a Collection Due Process (CDP) hearing using Form 12153 by the deadline. In a CDP hearing, an independent IRS Appeals officer reviews whether the lien should stay filed. You can raise collection alternatives, withdrawal, discharge or subordination, spousal defenses, and the amount owed if you never had a prior chance to dispute it.
- You can also use the Collection Appeals Program (CAP) by filing Form 9423. CAP is faster, but you can't take a CAP decision to court.
After a CDP hearing, Appeals decides whether the lien should remain, be withdrawn or be released. If you disagree, Publication 594 says you have 30 days to seek review in the U.S. Tax Court. If you miss the CDP deadline, the TAS says you may be able to request an equivalent hearing within one year of the notice date, but you generally can't go to Tax Court afterward. Our Collection Due Process hearing guide covers both.
An optional lien and levy response package is available on this site. You can also file Form 12153 on your own at no cost.
Ways to get relief from a lien
| Option | What it does | Where to start |
|---|---|---|
| Release | Clears the lien and the public NFTL after full payment, an accepted offer, a bond, or the end of the collection period | Publication 1450 |
| Withdrawal | Removes the public NFTL, but you still owe the tax | Form 12277 |
| Discharge | Removes the lien from a specific property, for example when selling it | Publication 783 |
| Subordination | Lets another creditor, like a mortgage lender, move ahead of the IRS | Publication 784 |
Publication 594 says the IRS may withdraw an NFTL if you've entered into a payment plan (unless the agreement says otherwise), if withdrawal will help you pay faster, or if the IRS didn't follow its procedures, among other reasons. See our federal tax lien guide.
What happens if you ignore it
The lien stays in place, attached to your current and future property, until the debt is paid or the collection period ends. Penalties and interest keep growing. If you haven't already received one, a final notice of intent to levy, such as an LT11, can follow, and after that the IRS can levy wages and bank accounts. Ignoring Letter 3172 also means giving up your chance at a CDP hearing with Tax Court review of the lien.
Is this notice real?
You can confirm a lien by calling the Centralized Lien Operation at 800-913-6050 or checking your IRS Online Account balance. NFTLs are also public records at your county or state filing office. Any payment should go to the "United States Treasury" through IRS.gov/payments, never by gift card or to an individual. Be cautious about any company promising to erase a tax lien or settle your debt for "pennies on the dollar." You can work directly with the IRS at no cost. See IRS scams.
Frequently asked questions
Does a federal tax lien show up on my credit report?
The Taxpayer Advocate Service says NFTLs no longer appear on credit reports. But they're public records, and lenders may still find them through other sources, so a lien can still affect your ability to get credit.
How long does it take to remove a lien after I pay?
The IRS releases the lien within 30 days after you've paid the debt in full. After release, you may also qualify to have the public notice withdrawn.
Can I sell or refinance my house with a lien?
Often yes, with planning. A certificate of discharge can remove the lien from a property being sold when the government gets its share. A certificate of subordination can let a new mortgage take priority. Both have IRS application processes (Publications 783 and 784).
Is Letter 3172 the same as a levy notice?
No. A lien is a claim; a levy is a seizure. You can get separate CDP hearings for a lien notice and a levy notice for the same tax period. You can appeal both on one Form 12153 if you've received both.
Sources
- Taxpayer Advocate Service, "Letter 3172". taxpayeradvocate.irs.gov
- IRS Independent Office of Appeals, "Collection due process (CDP) FAQs". irs.gov
- IRS, Publication 1660, Collection Appeal Rights. irs.gov
- IRS, Publication 594, The IRS Collection Process (Rev. 1-2026). irs.gov
- IRS, "Understanding a federal tax lien". irs.gov
- IRS, "Revocation or denial of passport in cases of certain unpaid taxes". irs.gov
IRSV.com is an independent guide and is not affiliated with the IRS. This page is general information, not tax or legal advice. Rules change; confirm details on IRS.gov or with a tax professional. Found an error? Tell us.