The interest rate arbitrage
| Option | Effective annual cost |
|---|---|
| HELOC (July 2026 national avg) | 7.43% |
| IRS installment plan interest (fed short-term + 3%) | ~8-9% |
| IRS failure-to-pay penalty | 0.5%/month = 6% annualized (0.25% if on approved installment) |
| IRS combined effective rate | ~11-15% APR |
| Credit card cash advance to pay IRS | 25-30% APR |
| Personal loan for tax debt | 10-18% APR |
On $50K of tax debt over 4 years, the interest cost difference between HELOC (7.43%) and IRS installment (11-15% effective) is $8,000-$15,000. Material.
How to actually use a HELOC to pay the IRS
- Confirm the exact IRS balance — call 800-829-1040 or check IRS.gov/account. Include principal, accrued interest, and any penalties through today.
- Apply for the HELOC — disclose the tax debt on the application. Lenders will see it in your credit report anyway.
- If there's a federal tax lien filed: request lien subordination from the IRS using Form 14134 before your HELOC application, OR plan to pay the lien in full from HELOC proceeds at closing.
- Draw the HELOC and pay the IRS — pay via EFTPS.gov, IRS.gov Direct Pay, or a check.
- Confirm the IRS releases any liens — you should receive a Certificate of Release of Federal Tax Lien within 30 days of payment. File it with your county recorder to clear title.
The tax lien complication
The IRS files a Notice of Federal Tax Lien (NFTL) automatically when unpaid taxes exceed $10K and go unresolved. Once filed, the lien attaches to ALL your property including your home.
Impact on a new HELOC:
- Most HELOC lenders will not fund a new loan while a federal tax lien is in first-lien position ahead of them — because the IRS lien could effectively wipe out the lender's recovery in a foreclosure.
- Solution 1: request IRS subordination (Form 14134) so the lien moves behind the new HELOC. Approval typically 30-45 days. Requires demonstrating that the loan will help you pay taxes, not increase your debt burden.
- Solution 2: use the HELOC proceeds to pay the lien in full at closing. Cleanest path — but you need enough equity to cover both the tax debt and any other purposes.
What you'd need to qualify
- Sufficient home equity (typically 15-30% CLTV headroom after payoff)
- FICO score 680+ (lower is possible with credit union portfolio programs)
- Documentable income supporting the HELOC payment
- The tax debt itself doesn't disqualify — but recent tax delinquency (last 24 months) can push you to a higher pricing tier or require additional documentation
Tax deductibility (usually no)
HELOC interest used to pay off a tax bill is generally NOT deductible as mortgage interest under TCJA rules — the proceeds weren't used to buy, build, or substantially improve the home. It may be deductible as personal interest expense in some narrow scenarios, but typically no. Talk to a tax professional.
When a HELOC is NOT the right IRS solution
- You owe under $10K — you're eligible for the IRS Guaranteed Installment Agreement with lower fees and no lien filing
- You owe over $50K — you may qualify for an Offer in Compromise (settle for less than owed) which could be materially cheaper than any borrowing
- You have significant hardship — the IRS Currently Not Collectible status pauses collection without borrowing
- You have concurrent liens from other creditors — subordination gets complicated
- Your equity is thin (under 15% CLTV headroom after payoff) — the HELOC won't approve
Always talk to a tax attorney or enrolled agent about IRS resolution options before deploying home equity to pay a tax bill.
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