Quick overview
Back taxes usually arise from missed filings, underreported income, or unpaid balances after filing. Acting early limits penalties, preserves options (like installment agreements), and can stop collection actions such as liens or levies (IRS guidance: https://www.irs.gov).
Step-by-step process to resolve back taxes
- Gather records and confirm amounts owed
- Collect W‑2s, 1099s, prior tax returns, bank statements, and notices from the IRS or state revenue agencies.
- Check IRS accounts online or call the IRS to confirm balances and which tax years are affected (see IRS Online Account: https://www.irs.gov/payments/view-your-tax-account).
- File any missing returns immediately
- The IRS can prepare substitute returns that usually cost you more. File missing returns even if you can’t pay in full—filing reduces failure-to-file penalties and preserves refund credits.
- Calculate total liability (tax, penalties, interest)
- Use the IRS account or consult a tax professional to compute current balances. Interest and late-filing/late-payment penalties compound daily, so the balance will change.
- Choose the right resolution path
- Pay in full if possible to stop interest and penalties from growing.
- Installment agreement: monthly payments through Direct Debit or online arrangements (IRS Online Payment Agreement: https://www.irs.gov/payments/online-payment-agreement-application). See our guide to applying for an online installment agreement for practical tips: “How to Apply for an Online Installment Agreement: Tips and Pitfalls” (https://finhelp.io/glossary/how-to-apply-for-an-online-installment-agreement-tips-and-pitfalls/).
- Offer in Compromise (OIC): may reduce your principal if you meet strict eligibility and can show inability to pay (see IRS Offer in Compromise pages).
- Currently Not Collectible (CNC): temporary status when paying taxes would create severe hardship.
- Address liens and levies if they exist
- If the IRS files a Notice of Federal Tax Lien, act quickly: you can request withdrawal, subordination, or get the lien released after full payment. Our explainer on federal tax liens covers timelines and removal options: “Understanding Federal Tax Liens: Timeline and Removal Options” (https://finhelp.io/glossary/understanding-federal-tax-liens-timeline-and-removal-options/). For immediate IRS details see https://www.irs.gov/businesses/small-businesses-self-employed/irs-lien.
- Keep current and follow up
- Stay current with future filings and estimated tax payments. Monitor your IRS account and keep records of all payments and correspondence.
Real-world example (short)
A small-business client owed back taxes for three years. We filed the missing returns, applied for a streamlined installment agreement, and enrolled in direct debit. The monthly payment preserved cash flow and the client avoided a lien, allowing them to refinance when needed.
Who is most affected
- Self-employed and gig workers who underpay estimated taxes.
- Sidelined taxpayers who missed filing deadlines during illness, business disruption, or disaster.
- Small businesses with cash-flow swings.
Practical professional tips
- Open lines of communication: The IRS often works with taxpayers who respond promptly. Telephone hold times can be long, but documenting attempts matters (IRS recommends using secure online tools where possible).
- Prioritize filing over paying: Filing missing returns reduces the steepest penalties.
- Use direct debit for installment agreements to reduce default risk.
- When negotiating (OIC or partial-pay plans), provide a complete financial statement—our guide on preparing financial statements for installment applications can help.
Common mistakes to avoid
- Ignoring notices: silence can lead to liens, levies, wage garnishments, or bank levies.
- Assuming bankruptcy wipes out all tax debts—some older income taxes may be dischargeable only under narrow rules; consult a tax attorney.
- Missing quarterly estimated payments after a payment plan is set up—this jeopardizes agreements.
Links and resources
- IRS — View Your Account & Payment Options: https://www.irs.gov/payments/view-your-tax-account
- IRS — Online Payment Agreement info: https://www.irs.gov/payments/online-payment-agreement-application
- CFPB — Consumer protections and debt collection information: https://www.consumerfinance.gov
- FinHelp articles: “How to Apply for an Online Installment Agreement: Tips and Pitfalls” (https://finhelp.io/glossary/how-to-apply-for-an-online-installment-agreement-tips-and-pitfalls/) and “Understanding Federal Tax Liens: Timeline and Removal Options” (https://finhelp.io/glossary/understanding-federal-tax-liens-timeline-and-removal-options/)
Professional disclaimer
This content is educational and does not replace personalized tax advice. Tax rules change and outcomes depend on individual facts. Consult a qualified CPA, enrolled agent, or tax attorney for guidance tailored to your situation.

