A HELOC is not a home equity loan. It's a common mistake, and it matters. A home equity loan gives you a lump sum with fixed payments. A HELOC gives you a credit line you can tap, repay, and tap again, with a rate that changes.
Think of it as a credit card backed by your house. Except this credit card has a $132,500 limit, charges 7.31% interest, and can take your home if you don't pay.
That's not a scare tactic. It's the reality of what you're signing. HELOCs are powerful financial tools when used well and genuine risks when used carelessly. Americans currently owe $434 billion on HELOCs, according to the Federal Reserve Bank of New York [1]. The serious delinquency rate ticked up to 1.24% in Q4 2025 [1]. Most people handle them fine. Some don't.
30-Second Summary: A HELOC is a revolving line of credit secured by your home. You borrow what you need during a 10-year draw period (paying interest only), then repay principal and interest over a 20-year repayment period. Rates are variable, tied to the prime rate. Average HELOC rate: 7.31% in February 2026.
The Two-Phase Structure
Every HELOC has two distinct phases. Understanding the transition between them is the most important thing you can learn about this product.
Phase 1: The Draw Period (Usually 10 Years)
During the draw period, your HELOC works like a credit card [2]. You can borrow up to your limit, pay it back, and borrow again. Most lenders only require interest payments during this phase.
If you borrow $40,000 at 7.25%, your monthly interest-only payment is about $242. That's it. You're not required to pay down the balance. (You should.)
Phase 2: The Repayment Period (Usually 20 Years)
When the draw period ends, the line closes. No more borrowing. Now you repay the outstanding balance, principal plus interest, over the remaining term (usually 20 years) [2].
Here's where payment shock hits.
That $242 interest-only payment on $40,000? It becomes roughly $335 per month when you add principal repayment (assuming an 8% rate at the transition). That's a 38% jump [3]. If your balance is larger or rates are higher, the shock is bigger.
The CFPB created an entire consumer brochure about this transition because it catches so many borrowers off guard [3].
| Phase | Duration | Can You Borrow? | Payment Type | Example Payment ($40k at 7.25%) |
|---|
| Draw Period | ~10 years | Yes | Interest only | $242/month |
| Repayment | ~20 years | No | Principal + Interest | ~$335/month |
How Much Can You Borrow?
Lenders look at your Combined Loan-to-Value (CLTV) ratio: your first mortgage plus the HELOC limit, divided by home value. Most cap CLTV at 80–85% [4].
Worked Example: Raj's Renovation HELOC
Raj, 39, works in IT and earns $94,000. His home is worth $450,000. He owes $250,000 on his mortgage. His credit score is 740.
| Step | Calculation |
|---|
| Max total debt (85% CLTV) | $450,000 × 0.85 = $382,500 |
| Subtract mortgage | $382,500 − $250,000 = $132,500 |
| HELOC limit | $132,500 |
Raj draws $40,000 for a kitchen renovation. His rate: Prime (6.75%) + 0.50% margin = 7.25%.
During the draw period: $40,000 × 7.25% ÷ 12 = $242/month (interest only)
He uses the other $92,500 in available credit as an emergency reserve. He pays interest only on what he actually draws. That flexibility is the whole point of choosing a HELOC over a home equity loan.
How HELOC Rates Work
HELOCs have variable rates. Your rate equals the prime rate plus a lender-set margin. The margin is fixed for the life of the loan. The prime rate is not.
The current prime rate is 6.75% (as of January 2026) [5]. It moves when the Federal Reserve adjusts its benchmark rate. Three Fed rate cuts in 2025 brought the prime rate down from 8.50%.
If the Fed cuts another 0.75% in 2026, Raj's rate drops from 7.25% to 6.50%. His interest-only payment falls from $242 to $217. But if inflation spikes and the Fed hikes, it goes the other direction.
Average HELOC rate as of February 2026: 7.31% for a $30,000 line [6]. Some lenders offer rates in the low 6s for strong borrowers who shop aggressively, especially credit unions like PenFed or lenders like Figure.
HELOC vs. Home Equity Loan
For a detailed comparison, see our guide to home equity loans. The short version:
| Feature | HELOC | Home Equity Loan |
|---|
| Rate | Variable | Fixed |
| Access | Draw as needed | Lump sum |
| Payments (draw period) | Interest only | Principal + interest from day 1 |
| Best for | Ongoing expenses, flexibility | One-time known expense |
| Risk | Rate fluctuation | None (rate is locked) |
Some lenders now offer "hybrid" HELOCs that let you lock a portion of your balance at a fixed rate. This gives you HELOC flexibility with some fixed-rate protection [7]. Worth asking about if rate risk keeps you up at night.
Tax Deductibility in 2026
HELOC interest is deductible if the funds are used to "buy, build, or substantially improve" the home that secures the loan [8]. The $750,000 combined mortgage debt cap (made permanent for tax years 2026+) applies [9].
Using a HELOC for a kitchen remodel? Deductible (if you itemize). Using it to consolidate credit card debt? Not deductible under current rules, though this may change under reverted pre-TCJA provisions starting in 2026 [10]. Tax law is complicated here. Talk to a professional.
Using the HELOC to buy an investment property? That's a separate set of rules entirely, and the interest won't qualify under the mortgage interest deduction.
Your Next Move
- Calculate your available equity: Home value × 0.85 − mortgage balance = maximum HELOC.
- Check rates from at least three lenders. Look at the margin, not just the introductory rate. The margin stays forever; the teaser rate doesn't.
- Plan for the payment transition. Before you sign, calculate what your payment will look like when the draw period ends. Can you afford it at a rate 2% higher than today?
- Borrow conservatively. Just because you qualify for $132,500 doesn't mean you should draw it all. Interest-only payments make large balances feel affordable. They're not.
- Use a mortgage calculator to model different draw amounts and rate scenarios.
References
- Federal Reserve Bank of New York. (2026). Quarterly Report on Household Debt and Credit (Q4 2025). NewYorkFed.org.
- Bankrate. (2025). What is the draw period on a HELOC? Bankrate.com.
- Consumer Financial Protection Bureau. (2024). What You Should Know About Home Equity Lines of Credit (HELOCs). CFPB.gov.
- Bank of America. (2025). HELOC Requirements. BankOfAmerica.com.
- NerdWallet. (2026). HELOC Rates: Compare Top Lenders. NerdWallet.com.
- Bankrate. (2026). Current HELOC Rates. Bankrate.com.
- Reddit r/Mortgages. (2025). Fixed-rate vs. Variable-rate HELOC discussion threads. Reddit.com.
- Internal Revenue Service. (2025). Publication 936: Home Mortgage Interest Deduction. IRS.gov.
- H&R Block. (2025). One Big Beautiful Bill: SALT deduction and other changes for homeowners. HRBlock.com.
- The Mortgage Reports. (2025). Is HELOC Interest Tax Deductible? TheMortgageReports.com.
