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How Does a HELOC Work?
A HELOC works as a revolving credit line secured by your home. After approval, you enter a draw period (typically 5–10 years) during which you can borrow up to your credit limit, repay, and borrow again — paying interest only on what you use. After the draw period ends, you enter the repayment period (10–20 years) where you pay back both principal and interest in fixed installments.
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Key Takeaways
- HELOCs have two phases: a draw period (5–10 years) and repayment period (10–20 years)
- During the draw period, most lenders require only interest payments on the amount you’ve borrowed
- Variable rates are tied to the prime rate plus a lender margin — currently 8%–11% total in 2026
- You can access funds via checks, debit card, or online transfer during the draw period
- Monthly payments can increase significantly when the repayment period starts — plan for this transition
- Some lenders let you convert variable-rate balances to fixed rates during the draw period
The Two Phases of a HELOC
Every HELOC has two distinct phases that work very differently. Understanding both is essential before you sign — especially because the transition between them can dramatically change your monthly payments.
During the draw period, a HELOC acts like a credit card. You can borrow money, make payments, and borrow again up to your limit. Most lenders only require interest payments during this phase, keeping your monthly costs low. But this is where many borrowers get into trouble — making interest-only payments means you’re not reducing your principal balance.
When the draw period ends, the repayment period begins. You can no longer access funds, and you must start paying both principal and interest. On a $50,000 HELOC at 9%, your interest-only payment of ~$375/month during the draw period could jump to ~$540/month or more in the repayment period. This payment shock catches many borrowers by surprise.
How HELOC Interest Rates Work
HELOC rates are almost always variable, calculated as the prime rate plus a margin set by your lender. The prime rate is directly influenced by the Federal Reserve’s federal funds rate and changes when the Fed raises or lowers rates.
As of March 2026, the prime rate is 7.5%. If your lender sets your margin at 1.5%, your HELOC rate would be 9.0%. If the Fed raises rates by 0.25%, the prime rate moves to 7.75%, and your rate automatically adjusts to 9.25%.
Most HELOCs have rate caps that limit how high your rate can go — typically the starting rate plus 5–6 percentage points. A HELOC starting at 9% might have a lifetime cap of 14–15%. Some HELOCs also have periodic caps limiting how much the rate can change in a single adjustment period.
How to Access Your HELOC Funds
Once your HELOC is set up, you can draw funds in several ways depending on your lender:
- HELOC checks: Most lenders provide a checkbook linked to your HELOC. Write checks for any amount up to your available credit.
- Online transfers: Transfer funds from your HELOC to your checking account through online banking, typically available within 1 business day.
- HELOC debit card: Some lenders issue a debit card linked to your line of credit for point-of-sale purchases.
- In-branch withdrawal: Visit your lender’s branch for a direct withdrawal or cashier’s check.
- Automatic draws: Set up automatic transfers for recurring expenses like tuition payments.
HELOC Payment Examples
Your monthly HELOC payment depends on whether you’re in the draw period or repayment period, your current balance, and the prevailing interest rate. Here’s what payments look like at different stages:
| Balance | Draw Period (Interest Only at 9%) | Repayment Period (15-yr at 9%) |
|---|---|---|
| $25,000 | $188/month | $254/month |
| $50,000 | $375/month | $507/month |
| $75,000 | $563/month | $761/month |
| $100,000 | $750/month | $1,014/month |
Payment Shock Warning: On a $75,000 balance, the jump from $563/month (interest-only) to $761/month (amortized) is a 35% increase. Budget for this transition well before your draw period ends.
What Happens When Your HELOC Matures?
When your full HELOC term (draw period + repayment period) ends, any remaining balance must be paid in full. If you can’t pay the remaining balance, you have several options:
You can refinance the remaining balance into a new HELOC or home equity loan, refinance your entire mortgage to absorb the balance, or negotiate an extension with your current lender. Many borrowers plan ahead by making principal payments during the draw period to minimize or eliminate the balance before the repayment period ends.
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Frequently Asked Questions
Can I make principal payments during the draw period?
Yes. While most HELOCs only require interest payments during the draw period, you can voluntarily pay principal at any time. This reduces your balance, frees up available credit, and reduces the payment shock when the repayment period begins. There are typically no penalties for making extra payments.
What is a HELOC freeze?
A HELOC freeze occurs when your lender suspends your ability to draw additional funds, usually because your home’s value has dropped or your financial situation has changed. You must still repay what you’ve already borrowed, but you can’t access additional credit until the freeze is lifted.
Can I get a HELOC with a small amount of equity?
Most lenders require at least 15–20% equity in your home to qualify for a HELOC. With a home worth $300,000, that means your mortgage balance must be $255,000 or less (for 15% equity). Some lenders may accept lower equity positions but charge higher rates.
How does a HELOC affect my credit score?
A HELOC appears on your credit report as revolving debt, similar to a credit card. High utilization (using a large percentage of your credit line) can lower your score. Applying triggers a hard inquiry (a temporary 5–10 point drop). On-time payments help build your score over time.
Can I get a HELOC if I just bought my home?
Most lenders require you to have owned your home for at least 6–12 months before approving a HELOC. You also need to have built enough equity — which can be challenging if you recently purchased with a small down payment unless your home has appreciated significantly.
Last updated: March 2026. Rates and requirements are subject to change. Always verify current terms with lenders directly.