A HELOC is a line of credit tied to your home. It lets you borrow money when you need it, pay it back, and borrow again. Many homeowners use a HELOC to pay for home repairs, college tuition, or to consolidate debt.
This guide explains how a HELOC works, how much you can borrow, and how it compares to other loan types.
What Is a HELOC?
HELOC stands for home equity line of credit. It works like a credit card but uses your home as collateral. You are approved for a credit limit, and you can borrow up to that limit during a set time period called the draw period.
Your home equity is the difference between what your home is worth and what you still owe on your mortgage. If your home is worth $400,000 and you owe $250,000, you have $150,000 in equity. Lenders typically let you borrow up to 80% to 85% of your home’s value, minus your mortgage balance.
How Does a HELOC Work?
A HELOC has two main phases.
Draw period. This usually lasts 5 to 10 years. During this time, you can borrow money up to your credit limit, repay it, and borrow again. You often only pay interest during this phase.
Repayment period. This usually lasts 10 to 20 years. You can no longer borrow money. You pay back both the principal and the interest. Monthly payments are higher during this phase.
HELOCs almost always have variable interest rates. Your rate changes with the market. This means your monthly payment can go up or down over time.
How Much Can You Borrow?
Lenders use a formula called combined loan-to-value (CLTV) to decide your credit limit. They add your mortgage balance plus the HELOC amount and compare that to your home’s value.
Most lenders cap CLTV at 80% to 85%. Here is an example:
- Home value: $400,000
- Maximum CLTV (85%): $340,000
- Mortgage balance: $250,000
- Maximum HELOC: $340,000 minus $250,000 equals $90,000
Your credit score, income, and debt level also affect how much you can borrow. Most lenders require a credit score of at least 620, though better rates go to borrowers with scores of 700 or higher.
HELOC vs. Home Equity Loan: What Is the Difference?
A home equity loan gives you one lump sum upfront. You pay it back in fixed monthly payments at a fixed interest rate. A HELOC gives you a revolving line of credit with a variable rate.
Use a home equity loan when you know exactly how much you need and want predictable payments. Use a HELOC when you are not sure how much you will need or if you want the flexibility to borrow in stages.
HELOC vs. Cash-Out Refinance
A cash-out refinance replaces your existing mortgage with a new, larger mortgage and gives you the difference in cash. It usually comes with a fixed rate and a longer repayment timeline.
A HELOC keeps your existing mortgage in place and adds a second loan. If your current mortgage has a low interest rate, a HELOC lets you tap your equity without losing that rate.
What Can You Use a HELOC For?
The IRS only allows you to deduct HELOC interest if you use the money to buy, build, or improve your home. Outside of tax rules, you can use a HELOC for almost anything.
Common uses include:
- Home renovations and repairs
- Paying college tuition
- Consolidating high-interest credit card debt
- Covering emergency expenses
- Starting a small business
Using a HELOC to pay off credit card debt can save money on interest, but it turns unsecured debt into secured debt. If you cannot repay a HELOC, the lender can foreclose on your home.
What Are the Risks of a HELOC?
The biggest risk is losing your home. Because a HELOC uses your house as collateral, missing payments can lead to foreclosure.
Variable rates are another risk. If interest rates rise sharply, your monthly payment rises too. Budget for this possibility before you open a HELOC.
Some lenders can reduce or freeze your credit line if your home value drops or your financial situation changes. This can happen without much warning.
What to Look For in a HELOC
Not all HELOCs are the same. Compare these features before you apply:
- Interest rate. Look at the margin the lender adds to the index rate. A lower margin means a lower rate.
- Draw and repayment period length. Longer draw periods give more flexibility.
- Annual fees. Some lenders charge an annual fee of $50 to $100.
- Minimum draw requirements. Some lenders require you to take out a minimum amount when you open the line.
- Early closure fees. Closing a HELOC within the first few years can trigger a penalty.
How to Apply for a HELOC
The process is similar to applying for a mortgage. Here are the steps:
- Check your credit score. Aim for at least 700 to get the best rates.
- Calculate your home equity. Know your home’s current value and your mortgage balance.
- Compare lenders. Get quotes from at least three banks or credit unions.
- Gather documents. You will need pay stubs, tax returns, mortgage statements, and proof of homeowners insurance.
- Submit an application. The lender will order an appraisal and review your finances.
- Close on the HELOC. If approved, you sign documents and the line of credit opens within a few days.
Is a HELOC Right for You?
A HELOC works best when you have strong home equity, a solid credit score, and a specific plan for how you will use and repay the money. It is a flexible tool, but it comes with real risk.
If you want predictable payments and a fixed rate, a home equity loan may be a better fit. If you are comfortable with a variable rate and want the flexibility to borrow as you go, a HELOC can save money compared to personal loans or credit cards.
Always compare multiple lenders and read the fine print before signing. Your home is the collateral. Treat the decision accordingly.