Most HELOCs don't require a down payment, but you do need equity

A HELOC (home equity line of credit) doesn't work like a mortgage or a car loan—there's no down payment involved. Instead, lenders look at how much equity you've built in your home. You can typically borrow up to 80 to 90 percent of your home's current value, minus what you still owe on your mortgage. The difference between those two numbers is what you can access through a HELOC.

The catch is that you need enough equity to make the line of credit worth the lender's time. Most lenders won't open a HELOC if you have less than $15,000 to $20,000 in available equity, though some will go lower. If you've just bought your home or paid very little toward your mortgage, you may not have enough equity yet, which means you can't open a HELOC at all—not that you need to save up a down payment.

Key Takeaways

  • HELOCs require equity in your home, not a cash down payment—lenders typically let you borrow against 80 to 90 percent of your home's value minus your mortgage balance.
  • You'll need a minimum amount of available equity (usually $15,000 to $20,000) before most lenders will open an account, though some require more.
  • The lender will order an appraisal to determine your home's current value, which costs $300 to $500 and you typically pay upfront.
  • Closing costs for a HELOC usually range from $0 to $2,000 depending on the lender, and some waive them entirely for customers with good credit.
  • If you don't have enough equity now, paying down your mortgage or waiting for your home to increase in value are the only ways to build it.

How lenders calculate how much you can borrow

The lender starts by ordering an appraisal of your home to find its current market value. This appraisal typically costs $300 to $500, and you usually pay this fee upfront—it's not waived even if you're denied. Once they know the value, they explore what's called a loan-to-value ratio, or LTV. Most lenders use an 80 percent LTV, meaning you can borrow up to 80 percent of what your home is worth.

Then they subtract what you still owe on your first mortgage. If your home is worth $300,000 and you owe $200,000 on your mortgage, 80 percent of $300,000 is $240,000. Subtract the $200,000 you owe, and you have $40,000 available to borrow through a HELOC. Some lenders go up to 90 percent LTV, which would give you $70,000 in this example, but they usually charge a higher interest rate or require stronger credit to do so.

Upfront costs that aren't a down payment

While you don't pay a down payment, you will pay other costs to open a HELOC. The appraisal fee ($300 to $500) comes first and is non-refundable. After that come closing costs, which typically range from $0 to $2,000 depending on the lender. These cover title search, document preparation, underwriting, and the lender's origination fee.

Some lenders, particularly credit unions and online banks, waive closing costs entirely if you have good credit or maintain a minimum balance. Others bundle closing costs into the line of credit itself, so you don't pay them upfront but you do pay interest on them later. Ask the lender for a Closing Disclosure form before you commit—it shows every fee in writing and gives you three days to review before you're locked in.

What happens if you don't have enough equity yet

If your home hasn't appreciated much since you bought it, or if you're early in your mortgage, you may not have $15,000 to $20,000 in equity available. In that case, you straightforward can't open a HELOC—there's no way to "make up" the difference with a down payment. You have two realistic paths forward: pay down your mortgage faster, or wait for your home's value to rise.

Paying down your mortgage increases your equity directly. Every payment you make reduces what you owe, which increases the gap between your home's value and your loan balance. Alternatively, if your neighborhood is appreciating, your home's value may increase on its own. You can check your home's estimated value on sites like Zillow or Redfin, though these are rough estimates—the lender's appraisal is what actually matters. Some people revisit the HELOC option every year or two as their equity grows.

Credit score and income requirements matter more than equity alone

Having enough equity is necessary but not sufficient. Lenders also check your credit score, debt-to-income ratio, and employment history. Most require a credit score of at least 620, though 700 or higher gets you better rates and terms. They want to see that you've paid other debts on time and that your monthly debt payments (including the HELOC payment they're considering) don't exceed 40 to 50 percent of your gross monthly income.

If your credit is weak or your debt is high, you may be denied even if you have plenty of equity. In that case, improving your credit score or paying down other debts before you explore will strengthen your case. Some lenders are more flexible than others—credit unions and community banks sometimes work with borrowers who have lower scores if they have strong equity and stable income.

How a HELOC differs from a home equity loan

A home equity loan is different from a HELOC, and the distinction matters for how you access money. A home equity loan gives you a lump sum upfront—you borrow the full amount at once and start repaying it when ready. A HELOC is a line of credit, like a credit card, that you can draw from as needed during a set period (usually 5 to 10 years). You only pay interest on the money you actually use.

Neither requires a down payment. Both require equity and both involve closing costs and an appraisal. But a home equity loan might be simpler if you need a specific amount for a single purpose (like a renovation), while a HELOC is more flexible if you want ongoing access to funds for multiple purposes over time. Some lenders offer both, so you can choose which structure fits your situation.

Frequently Asked Questions

Can I open a HELOC if I just bought my house?

Not usually. Most lenders want you to have owned the home for at least six months to a year, and you need meaningful equity built up. If you put down 10 percent on a recent purchase, you likely don't have enough equity yet. Wait a year or two and revisit the option as you pay down the mortgage.

What if I have a second mortgage—does that affect my HELOC?

Yes. A second mortgage (or home equity loan) reduces the equity available for a HELOC. If you owe $200,000 on your first mortgage and $30,000 on a second, and your home is worth $300,000, your available equity is lower. The lender will account for both debts when calculating how much you can borrow.

Do I have to use the full HELOC amount once I open it?

No. You only pay interest on what you draw. If you open a $40,000 HELOC and use $10,000, you pay interest only on that $10,000. You can leave the rest untouched, though the lender may charge an annual fee to keep the account open even if you don't use it.

What if my home's value drops after I open a HELOC?

The lender may freeze or reduce your available credit. If your home drops significantly in value, you could end up owing more than it's worth. This happened to many homeowners during the 2008 housing crisis. It's a real risk, so only borrow what you actually need.

Can I get a HELOC with bad credit?

It's harder but possible. Some lenders require a minimum credit score of 620, while others want 700 or higher. Credit unions and community banks are sometimes more flexible than national banks. Having strong equity and stable income can offset a lower score, but you'll likely pay a higher interest rate.