A HELOC lets you borrow against the equity you have built in your home, and you only pay interest on the money you actually draw out

A home equity line of credit (HELOC) works like a credit card backed by your house. The lender looks at your home's current value, subtracts what you still owe on your mortgage, and that difference is your equity. The lender then lets you borrow up to a percentage of that equity — often 80 to 90 percent — and you can draw from it whenever you need money, up to your limit.

You do not have to borrow the full amount at once. During the draw period — usually 5 to 10 years — you can withdraw money as needed, pay it back, and borrow again, much like using a credit card. After the draw period ends, the repayment period begins, typically 10 to 20 years, and you can no longer draw new money. You then pay back everything you borrowed plus interest.

Interest rates on HELOCs are usually variable, meaning they move up and down with the market. You pay interest only on the amount you have actually borrowed, not on your full credit limit. This is different from a home equity loan, where you get a lump sum upfront and pay interest on the whole amount whether you use it or not.

Key Takeaways

  • A HELOC is a revolving credit line secured by your home's equity, and you can borrow and repay multiple times during the draw period.
  • Your credit limit is based on your home's value minus your mortgage balance, and most lenders allow you to borrow 80 to 90 percent of that equity.
  • Interest rates on HELOCs are usually variable and tied to a market index, so your monthly payment can change if rates rise or fall.
  • You only pay interest on money you have actually withdrawn, not on your full available credit line.
  • If you cannot repay what you borrow, the lender can foreclose on your home because the HELOC is secured by your property.

How the draw period and repayment period work

When you open a HELOC, you enter the draw period first. During this time — typically 5 to 10 years — you can withdraw money whenever you want, up to your credit limit. You can make withdrawals by writing a check, using a debit card, or requesting a transfer to your bank account. Many HELOCs let you make multiple withdrawals, so you might draw $5,000 one month and $10,000 six months later.

During the draw period, you usually have the option to pay interest only, meaning your monthly payment covers just the interest on what you have borrowed. Some HELOCs require you to pay down principal as well, but interest-only payments are common. If you pay $500 in interest one month and then repay $2,000 of principal, your balance drops and your next month's interest is lower.

When the draw period ends, the repayment period begins. You can no longer withdraw new money. Instead, you must repay everything you borrowed over the repayment period, usually 10 to 20 years. Your monthly payment now includes both principal and interest, and it is typically much higher than it was during the draw period because you are paying down the full balance.

Variable interest rates and how they affect your payment

Most HELOCs have variable interest rates, which means the rate changes over time. The rate is usually tied to a market index — often the prime rate published by the Federal Reserve — plus a margin set by your lender. If the prime rate goes up, your HELOC rate goes up, and your monthly payment increases. If the prime rate falls, your rate and payment fall.

This is very different from a fixed-rate mortgage, where your rate stays the same for 15 or 30 years. With a HELOC, you might start at 7 percent interest, but if rates rise, you could be paying 9 or 10 percent a year later. Your payment can swing significantly, which makes budgeting harder. Some HELOCs offer a fixed-rate option for part of the balance, but most are variable.

The rate usually adjusts once a month or once a quarter, depending on your lender's terms. You should read your HELOC agreement carefully to understand when and how often your rate changes, and what index it is tied to. During periods of rising interest rates, your monthly payment can climb steeply, even if you do not borrow any additional money.

What you need to may have access to for a HELOC

Lenders look at several things before approving a HELOC. First, you must own your home and have built up equity — usually at least 15 to 20 percent of the home's value. If your home is worth $300,000 and you owe $250,000 on your mortgage, you have $50,000 in equity, which is enough to may have access to for most HELOCs.

Second, lenders check your credit score. Most require a score of at least 620, though better rates usually go to borrowers with scores above 700. They also look at your debt-to-income ratio — how much you owe each month compared to how much you earn. If you already have high monthly debt payments, a lender may deny you or offer a smaller credit limit.

Third, lenders order an appraisal or automated valuation of your home to confirm its current market value. This determines how much equity you have available to borrow. If your home's value has dropped since you bought it, your available credit line shrinks. You will also need to provide recent pay stubs, tax returns, and bank statements to prove your income and savings.

Costs and fees associated with HELOCs

Opening a HELOC involves several upfront costs. Most lenders charge an application fee, typically $75 to $300, to process your request. You will also pay for an appraisal, which usually costs $300 to $600. Some lenders charge an origination fee of 1 to 3 percent of your credit limit, though many waive this fee to compete for business.

After you open the account, you may face annual maintenance fees, typically $50 to $100 per year, though many lenders waive this if you maintain a minimum balance or use the line regularly. If you close the account early, some lenders charge an early closure fee, often $300 to $500. A few lenders also charge a fee if you do not draw any money during the draw period.

The largest cost is interest. Because rates are variable, your total interest cost is hard to predict. If you borrow $50,000 at 8 percent interest and pay it back over 10 years, you will pay roughly $22,000 in interest. If rates rise to 10 percent, you could pay $27,000 or more. Always ask your lender for a detailed fee schedule and rate terms before you sign.

The risk of using your home as collateral

A HELOC is secured by your home, which means if you cannot repay what you borrow, the lender can foreclose and take your house. This is the biggest risk of a HELOC. Unlike a credit card, where the worst outcome is damage to your credit score, defaulting on a HELOC can result in losing your home.

If you lose your job or face a major expense, you might struggle to make your HELOC payment. If you fall behind, the lender will contact you about the missed payment. If you do not catch up within 120 days, the lender can begin foreclosure proceedings. The process varies by state, but you could lose your home within a few months to a year.

Additionally, if your home's value drops sharply — as happened during the 2008 housing crisis — you could end up owing more than your home is worth. If you have a $100,000 HELOC and your home value falls from $400,000 to $250,000, you now have negative equity. You still owe the full $100,000, but your home is worth less than your total debt.

HELOC versus home equity loan: which is right for you

A home equity loan and a HELOC are both secured by your home's equity, but they work differently. With a home equity loan, you borrow a fixed amount upfront — say $50,000 — and receive it all at once. You then repay it over a set term, usually 5 to 15 years, at a fixed interest rate. Your payment stays the same every month.

A HELOC, by contrast, is a revolving line of credit. You can borrow what you need, when you need it, up to your limit. You pay interest only on what you borrow. The tradeoff is that your interest rate is usually variable, so your payment can change.

Choose a home equity loan if you need a large sum upfront — for example, to pay for a major home renovation or to consolidate debt. The fixed rate and fixed payment make budgeting easier. Choose a HELOC if you need money over time, such as for ongoing home improvements or to cover unexpected expenses as they arise. The flexibility of a HELOC is valuable if you are not sure exactly how much you will need or when.

Frequently Asked Questions

Can I use a HELOC for anything, or only for home improvements?

You can use HELOC money for almost anything — home repairs, debt consolidation, education, medical bills, or starting a business. Lenders do not typically restrict how you spend the money. However, using a HELOC to pay off high-interest credit card debt makes financial sense, while using it to fund a vacation is risky because you are putting your home at stake.

What happens to my HELOC if my home value drops?

If your home's value falls, your lender may reduce your credit limit or freeze your account, preventing new withdrawals. You still owe whatever you have already borrowed. In extreme cases, if you owe more than your home is worth, you have negative equity and cannot refinance or sell without bringing cash to closing.

Can I convert my HELOC to a fixed rate?

Some lenders allow you to convert part or all of your HELOC balance to a fixed-rate loan, locking in your rate for the remaining term. This protects you if interest rates rise. Ask your lender whether this option is available and what fees apply, as conversion often costs $200 to $500.

What if I want to pay off my HELOC early?

You can repay a HELOC anytime without penalty at most lenders. Some charge an early closure fee if you close the account within a certain period — often 3 to 5 years — so read your agreement. Paying off early saves you interest and removes the risk of foreclosure.

Do I have to use my entire credit limit?

No. You can open a HELOC and never draw from it, or draw only a small portion. You pay interest only on money you actually borrow. Some lenders charge an annual fee even if you do not use the line, so confirm the fee structure before opening an account.