HELOC Explained: How a Home Equity Line of Credit Works

Everything homeowners need to know about borrowing against their equity, from draw periods to real interest rates.

By Garret Merkley · Explainer · Jun 1, 2026

Quick take

A HELOC lets you borrow against your home equity like a revolving credit line, paying interest only on what you use.
HELOCs have two phases: a draw period (5–10 years) and a repayment period (10–20 years) with higher payments.
Rates are variable — around 7.18%–7.31% as of early 2026 — and your home is on the line if you default.
Compare lenders carefully and have a repayment plan before opening one.

A HELOC — Home Equity Line of Credit — lets homeowners borrow against the equity they've built up in their property. Equity is the difference between your home's current market value and what you still owe on your mortgage. Unlike a personal loan or credit card, a HELOC is secured by your home, which is why rates tend to be lower — and why the stakes are higher if things go sideways.

How Equity Becomes a Credit Line

Lenders typically allow you to borrow up to 80–85% of your available equity, minus any outstanding mortgage balance. They approve you for a maximum credit limit, and you draw from it as needed — much like a credit card. You pay interest only on the amount you've actually borrowed, not the full approved limit.

The Two Phases of a HELOC

Every HELOC runs through two distinct periods, and understanding the shift between them is critical for managing your payments.

Draw Period (typically 5–10 years): You can pull funds whenever you need them, up to your credit limit. Most HELOCs allow interest-only payments during this phase, keeping monthly costs low. As you repay what you've borrowed, that credit becomes available again — it's revolving.
Repayment Period (typically 10–20 years): No new draws. You repay both principal and interest, so monthly payments rise — sometimes significantly. Some lenders allow refinancing or renewal at this point, but terms vary.

Payment shock is real

Many borrowers are caught off guard when the draw period ends and payments jump. Run the numbers on your repayment-phase payment before you open the line, not after.

Interest Rates: What to Expect

Most HELOCs carry a variable interest rate tied to a benchmark index — typically the prime rate — plus a margin set by your lender. That means your rate can move up or down over the life of the loan. As of early 2026, average HELOC rates sit around 7.18%–7.31%, near multi-year lows following recent Federal Reserve action. Depending on your credit profile and lender, rates can range from roughly 4.7% to over 11%.

What People Use HELOCs For

Home improvements and renovations — often the strongest use case, since upgrades can increase the property value backing the loan.
Debt consolidation — replacing high-interest credit card balances with a lower-rate HELOC payment.
Major one-time expenses: tuition, medical bills, emergency repairs.
Large purchases or investments — less common and worth careful thought, since you're putting your home at risk.

Possible tax benefit

Interest on a HELOC may be tax-deductible if the funds are used to buy, build, or substantially improve the home securing the loan. Confirm with a tax professional, since IRS rules on this have changed before and could change again.

HELOC vs. Home Equity Loan

Feature	HELOC	Home Equity Loan
Structure	Revolving line of credit	Lump sum, paid once
Rate type	Variable (usually)	Fixed (usually)
Draws	Flexible — borrow as needed	Single disbursement
Payments	Interest-only option during draw period	Fixed monthly payments from day one
Best for	Ongoing or uncertain expenses	Known, one-time costs

Pros and Cons at a Glance

Pro: Borrow only what you need and reuse repaid amounts — no paying interest on unused credit.
Pro: Rates are lower than credit cards and most personal loans.
Pro: Interest-only payments during the draw period keep early costs manageable.
Con: Variable rates mean payments can rise if the rate environment shifts.
Con: Your home is collateral — missed payments can lead to foreclosure.
Con: Easy access to funds can encourage overspending.
Con: Fees may include origination costs, annual fees, closing costs, and early-closure penalties.
Con: Payments jump when the repayment phase begins.

Is a HELOC Right for You?

A HELOC works best for homeowners with solid equity, good credit, stable income, and a specific plan for both using and repaying the funds. It is not a substitute for an emergency fund or a way to paper over ongoing budget problems — the debt is real and your home backs it. Always get quotes from multiple lenders, read the fine print on rate caps and fees, and consider talking through the numbers with a financial advisor before signing.

How much can I actually borrow with a HELOC?

Most lenders let you borrow up to 80–85% of your home's appraised value, minus your remaining mortgage balance. For example, if your home is worth $400,000 and you owe $250,000, your equity is $150,000. At 85%, your maximum credit line would be around $90,000.

What happens if home values drop after I open a HELOC?

Lenders can freeze or reduce your credit line if your home's value falls significantly, because the collateral backing the loan has shrunk. This is uncommon but has happened during housing downturns.

Can I pay off a HELOC early?

Yes, but check for early-closure or prepayment penalties in your agreement — some lenders charge a fee if you close the line within the first few years.

Does opening a HELOC hurt my credit score?

Applying triggers a hard inquiry, which causes a small, temporary dip. Once open, a HELOC adds to your available credit and, if managed well, can improve your credit utilization ratio over time.

Sources

Average HELOC rate range of 7.18%–7.31% as of early March 2026 cited from lender survey data referenced in the source conversation.
Typical lender LTV limits of 80–85% reflect standard industry underwriting guidelines.
IRS rules on home equity interest deductibility: IRS Publication 936.