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IRS Letter 3172:here's whatit means.
Federal tax lien filed. The IRS has filed a public lien against your property for an unpaid balance.
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What is IRS Letter 3172?
Federal tax lien filed. The IRS has filed a public lien against your property for an unpaid balance. You generally have 30 days to request a hearing.
Updated November 2026. Serving all of California online.
Deadline
You generally have 30 days to request a hearing.
If you ignore it
The lien can affect your credit, property sales, and refinancing until it's resolved.
What to do now.
- 1Note the hearing request deadline on the letter.
- 2Request a hearing if you want to challenge the lien or propose an alternative.
- 3Ask about lien withdrawal, discharge, or subordination if you're selling or refinancing.
General information, not legal advice. The exact deadline is printed on your notice.
Common questions.
Is IRS Letter 3172 real or a scam?
Real IRS notices arrive by U.S. mail, not by text, social media, or a surprise phone call demanding payment. To verify, compare it with your IRS online account or call the number listed on IRS.gov, not a number from a suspicious message. We can check it for you.
Can MM.TAX respond to IRS Letter 3172 for me?
Yes. Our practice is led by an IRS Enrolled Agent. We file a power of attorney (Form 2848), pull your transcripts, and respond to the IRS for you, online anywhere in California.
What if I can't pay what the IRS says I owe?
You have options: an installment agreement, an Offer in Compromise if you qualify, penalty abatement, or currently-not-collectible status during hardship. The right choice depends on your income, assets, and the amount owed.
IRS notices
Look up another letter.
- CP14Balance due
- CP501Reminder: unpaid balance
- CP504Notice of intent to levy
- LT11Final notice of intent to levy
- CP2000Proposed changes to your return
- CP3219ANotice of deficiency
- Letter 566Audit or examination
- CP2501Income doesn't match your return
- CP59No record of your tax return
- CP11Changes to your return, balance due
- CP161Business balance due
- LT16Contact us about overdue taxes
- Letter 1153Trust fund recovery penalty proposed
- Form 668-ABank or wage levy
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Let us handle your Letter 3172.
Free 30-minute review with a senior advisor. Call the online team or answer a few questions.