A home equity line of credit (HELOC) sits behind your existing first mortgage. You keep your first loan untouched and open a separate revolving line you can draw from over time, usually at a variable rate.
Most lenders let qualified borrowers access up to a combined loan-to-value of around 80 to 90 percent of the home's value, including the existing first mortgage. The line has a draw period, often 10 years, where you can borrow, repay, and borrow again, followed by a repayment period.
During the draw period, payments are typically interest-only on the balance you have actually used. That keeps payments low while flexibility is high, but it also means your balance does not shrink unless you choose to pay it down.
A HELOC fits well when your current first mortgage has favorable terms you do not want to disturb, when you need access to funds over months or years rather than all at once, or when you want optional access to capital for future projects.
It also tends to be the right tool when you are not sure exactly how much you will need. You only pay interest on what you draw, and you can repay and reuse the line as your needs change.
The rate is usually variable and tied to a published index. If rates rise, your payment rises too. Build the budget against a higher-rate scenario, not just the current market figure. Compare against a HELOC vs cash-out comparison before you commit.
Two side-by-side comparisons walk through the trade-offs in plain English: HELOC vs home equity loan and cash-out refinance vs HELOC.
Related glossary terms
Compare three loan structures, calculate potential access, stress-test variable rates and use a fillable comparison worksheet.
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Both let you tap home equity. The right tool depends on what you need the money for, how long you need it, and what your current first mortgage looks like.
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