How HELOC payments work

A HELOC payment is money you send to your lender each month to repay what you have borrowed against your home's equity. Unlike a fixed-rate loan, a HELOC typically has two phases: a draw period (usually 5 to 10 years) when you can borrow and repay as needed, and a repayment period (usually 10 to 20 years) when you can no longer borrow and must pay back what you owe. During the draw period, your monthly payment might cover only interest. During repayment, your payment covers both interest and principal, and the amount often rises because you are no longer borrowing new money.

The payment amount depends on how much you have borrowed, your interest rate, and which phase you are in. Because most HELOCs have variable interest rates, your payment can change when rates change — sometimes significantly. Your lender sends you a statement each month showing your current balance, available credit, interest charged, and the minimum payment due.

Key Takeaways

  • During the draw period, you typically pay interest only, so your payment stays relatively low and covers only what you have borrowed so far.
  • During the repayment period, your payment jumps because you must pay back principal plus interest, and you can no longer borrow new money.
  • Most HELOCs have variable rates tied to an index like the prime rate, so your payment changes when the market rate changes.
  • You can usually make payments online, by phone, by mail, or through automatic bank transfer, the same way you pay other bills.
  • Missing a HELOC payment can damage your credit score and may trigger default clauses that let the lender freeze your credit line or demand full repayment.

The draw period: interest-only payments

During the draw period, most lenders require you to pay only the interest on the money you have actually borrowed. If you have a $100,000 HELOC but have drawn only $30,000, you pay interest on $30,000, not $100,000. This keeps your payment low while you are actively using the credit line.

Some lenders offer interest-only payments for the entire draw period. Others require you to begin paying down principal partway through — for example, interest-only for the first five years, then principal and interest for the remaining five years. Read your HELOC agreement to see which applies to you. Your monthly statement will show whether your payment is interest-only or includes principal.

The interest rate during the draw period is almost always variable, meaning it moves with the market. Your rate is typically the prime rate (set by the Federal Reserve) plus a margin your lender adds. When the prime rate rises, your payment rises. When it falls, your payment falls. This is why a $300 monthly payment one year might become $350 the next.

The repayment period: principal and interest

When the draw period ends, the repayment period begins. You can no longer borrow money, and your payment structure changes. Now you must pay back everything you borrowed, spread across the repayment period (typically 10 to 20 years). Your payment covers both interest and principal.

This is where many borrowers face payment shock. If you borrowed $50,000 during the draw period and paid interest-only for 10 years, your payment might have been around $200 per month (depending on your rate). When repayment begins, that same $50,000 spread over 10 years might cost $500 to $600 per month, because now you are paying down the full balance, not just interest.

Your lender will send you a new payment schedule when the repayment period begins, showing the new monthly amount. The rate remains variable unless you have locked in a fixed rate (some lenders offer this option). If rates have risen since you opened the HELOC, your repayment payment will be higher than if rates had fallen.

How interest rates affect your payment

Because most HELOCs use variable rates, your payment can change several times a year. Your rate is usually tied to the prime rate, which the Federal Reserve adjusts based on economic conditions. When the Fed raises rates, your HELOC rate rises within days or weeks. When the Fed cuts rates, your HELOC rate falls.

Your lender sets a margin — typically 0.5% to 2% above prime — that stays the same for the life of the loan. So if prime is 8% and your margin is 1%, your rate is 9%. If prime rises to 8.5%, your rate becomes 9.5%. Your payment adjusts accordingly.

Some HELOCs have a rate cap, which sets a ceiling on how high your rate can go. For example, a cap of 12% means your rate will never exceed 12%, even if prime rises higher. Check your agreement for any caps or floors (a floor sets a minimum rate). These protections can save you money if rates spike, but they also mean you pay more if rates fall below the floor.

Making your HELOC payment

You can make a HELOC payment the same way you pay other bills. Most lenders offer online bill pay through their website or mobile app — you log in, enter the amount, and schedule the payment for any date you choose. You can also set up automatic payments so the lender withdraws a fixed amount from your bank account each month on a date you select.

If you prefer not to pay online, you can mail a check to the address on your statement, or call your lender's payment line and pay by phone with a debit card or bank account number. Some lenders charge a fee for phone payments, so ask first. Online and automatic payments are usually free.

Your payment is due on a specific date each month, shown on your statement. If you pay after that date, you may be charged a late fee. If you pay significantly late (typically 30 days or more), the late payment appears on your credit report and can damage your credit score.

What happens if you miss a payment

Missing a HELOC payment has serious consequences because your home is collateral. A single late payment (15 to 30 days late) usually triggers a late fee and appears on your credit report after 30 days. Your credit score drops, and you will pay higher interest rates on future loans.

If you are 60 days late, your lender may freeze your credit line, meaning you cannot borrow any more money. If you are 90 days or more late, your lender can declare you in default and may demand that you repay the entire balance when ready. If you cannot pay, the lender can foreclose on your home — the same process used when you default on a mortgage.

If you are struggling to make a payment, contact your lender before the due date. Many lenders offer hardship programs, temporary payment reductions, or forbearance (a pause on payments for a set period). These options are easier to arrange if you reach out early, before you miss a payment.

Paying off your HELOC early

You can pay off your HELOC at any time without penalty — most HELOC agreements do not include prepayment penalties. Paying more than the minimum each month reduces your balance faster and saves you interest over time. If you receive a bonus, tax refund, or inheritance, putting that money toward your HELOC can shorten the repayment period by years.

Some people pay off their HELOC during the draw period before the repayment period begins, avoiding the payment shock altogether. Others make extra payments during repayment to finish early. Your lender will show you on each statement how much interest you will save if you pay an extra amount each month.

If you have a variable-rate HELOC and rates have risen significantly, paying it off removes the risk of further rate increases. If rates are low and you have other high-interest debt (credit cards, personal loans), you might prioritize those instead and keep the HELOC as a backup credit line.

Frequently Asked Questions

Can my HELOC payment change every month?

Yes, if your rate is variable. Your payment can change whenever your lender adjusts your rate, which typically happens when the prime rate changes. Some lenders adjust rates monthly, others quarterly or annually — check your agreement. During the draw period with interest-only payments, the change is usually smaller. During repayment, a rate increase can significantly raise your payment.

What is the difference between minimum payment and full payment?

The minimum payment is the least you must pay to stay current and avoid late fees. During the draw period, this is often interest-only. During repayment, it includes principal and interest. Paying more than the minimum reduces your balance faster and saves interest. You can always pay the full balance or any amount above the minimum without penalty.

What happens to my HELOC payment if I stop borrowing?

If you stop borrowing during the draw period, your payment shrinks because you pay interest only on what you have already drawn, not on the full credit line. Your available credit remains there if you need it. When the draw period ends and repayment begins, your payment rises because you must now pay back the principal you borrowed.

Can I lock in a fixed rate on my HELOC?

Some lenders offer the option to convert part or all of your HELOC balance to a fixed rate, usually for a fee. This protects you from future rate increases but typically comes with a higher rate than your current variable rate. Ask your lender whether this option is available and what it costs.

What should I do if I cannot afford my HELOC payment?

Contact your lender before you miss a payment. Many offer temporary solutions like payment reduction, forbearance, or a modified repayment schedule. The sooner you reach out, the more options you typically have. Waiting until you are late makes it harder to negotiate and damages your credit score.