State Tax Debt

Maryland Comptroller Back Taxes: What It Means and What to Do (2025)

By Angeline Balsitis, EA · Reviewed by Melissa Ly, Chief Tax Officer · Updated August 8, 2025 · Editorial Standards

Why you owe the Maryland Comptroller

The Comptroller of Maryland collects state individual income tax. If your account shows a balance, it usually traces back to one of a few things: you filed a Maryland return but didn't pay in full, the state adjusted your return, you under-withheld during the year, or you never filed and the Comptroller estimated what you owe. The notice lists the tax year, the amount due, and how it splits between tax, penalty, and interest. You can review the basics on the Comptroller of Maryland's official site and the individual taxes section.

Maryland sets its interest rate every year, and in recent years it has run higher than the federal rate. So a Maryland back-tax balance can grow faster than you'd expect. Like most tax problems, it's cheapest to handle early.

What happens if you ignore it

Maryland collection is automated and persistent. Ignore each notice and the state moves to the next step, with more cost and more enforcement power behind it:

1. Assessment / first bill — the Comptroller states what you owe. No enforcement yet. You can pay or appeal within about 30 days.
2. Reminder notices — still a bill, but penalty and interest keep adding on each month.
3. Tax lien — Maryland can record a lien against your property. A recorded Maryland tax lien generally lasts 20 years and can be renewed.
4. Referral to the Central Collection Unit (CCU) — your account can be sent to the CCU, which typically adds a collection fee of about 17% of the balance.
5. Enforced collection — salary lien (wage garnishment), bank attachment (freezing your account), refund interception, and holds on your driver's license, vehicle registration, or professional license renewals.

None of this requires a person to review your file. The system keeps escalating whether or not anyone at the Comptroller's office ever looks at your case — which is exactly why acting before a deadline beats waiting.

First: make sure the Maryland tax bill is right

Before you pay or panic, confirm the balance is accurate. Spend a few minutes on these checks:

• Match the notice to your return — same tax year? Same income and withholding? Maryland adjustments sometimes come from a mismatch with what your employer or the IRS reported.
• Check whether a payment already posted — recent payments can cross in the mail with a notice. Look for your confirmation and the year it was applied to.
• Screen for scams — a real Maryland tax notice comes by postal mail. Maryland will never demand payment by gift card, wire transfer, or a payment app. When in doubt, call the Comptroller directly using the number on the official website, not a number from a suspicious message.

If the notice is wrong, you can request a hearing with the Comptroller's Hearings and Appeals office within 30 days of the notice date. Respond in writing with proof, and keep copies of everything. Don't pay a balance you don't actually owe on the hope that it gets corrected later.

If you can't pay Maryland in full: your real options

The notice makes it sound like pay-or-else. In reality, Maryland has several programs, and the right one depends on your finances:

• Individual Payment Agreement — Maryland's monthly installment plan. Interest continues, but an active agreement stops liens, garnishments, and bank attachments.
• Hardship / uncollectible status — if paying anything would create real hardship, you may be able to pause aggressive collection while your situation improves. The principle works much like the IRS Currently Not Collectible status on the federal side.
• Offer in Compromise — Maryland has its own program to settle for less than the full balance, but only when your assets and income genuinely can't cover the debt. Be cautious: anyone promising to settle your Maryland taxes for "pennies on the dollar" before reviewing your finances is selling you something.
• Penalty relief — if your failure to pay was due to reasonable cause — serious illness, disaster, or events beyond your control — you may be able to request abatement of the penalty.
• Fix unfiled years first — if the bill is an estimate because you never filed, filing the actual return often lowers the balance. Get the return right before you agree to a number.

If Maryland has already started garnishing your wages, the fastest way to stop it is usually a payment agreement or a hardship request — the same logic we cover in our guide on how to stop a wage garnishment. And if you also owe the IRS, a streamlined installment agreement can run alongside your state plan.

How to respond, step by step

1. Read the notice carefully — note the tax year, the total due, and the deadline date.
2. Verify the balance against your Maryland return and payment records (see above).
3. If it's correct and you can pay: pay by the deadline through the Comptroller's official site to stop penalty, interest, and the collection sequence.
4. If you can't pay in full: request an Individual Payment Agreement or explore hardship relief before the deadline. Even a plan you start today prevents liens, garnishments, and the 17% CCU fee.
5. If the notice is wrong: request a hearing within 30 days and send proof in writing.
6. If you owe a large balance, have unfiled years, or also owe the IRS: get a professional review first — the order you fix things in (returns, then penalties, then the balance) can change what you end up paying.

Maryland back-tax questions, answered

This guide is general information, not tax or legal advice for your specific situation. Eligibility for IRS and Maryland programs depends on individual facts and circumstances; no outcome is guaranteed.

Related: also dealing with the IRS? See our guides on stopping wage garnishment and Currently Not Collectible status — or browse all guides.