Home equity is the share of your home you actually own — its market value minus what you still owe on your mortgage. You can borrow against that equity in three main ways. A home equity line of credit (HELOC) works like a credit card: a revolving line you draw from as needed, usually at a variable rate. A home equity loan gives you a fixed lump sum at a fixed rate, repaid on a set schedule. A cash-out refinance replaces your mortgage with a larger one and hands you the difference. All three use your home as collateral.
How borrowing against home equity works
Equity is the part of your home's value that is yours, not the lender's. If your home is worth $400,000 and you owe $250,000, you have $150,000 in equity, and it grows as you pay down the mortgage and as the home appreciates.
Lenders let you convert some of that equity to cash but never all of it — most cap total borrowing (mortgage plus new loan) at 80–85% of the home's value, the combined loan-to-value ratio. Because the loan is secured by your home, rates are lower than unsecured borrowing; that same security is the risk — miss enough payments and the lender can foreclose.
HELOC vs. home equity loan
A HELOC is revolving: approved for a limit, you draw during a set draw period (often 10 years), paying interest only on what you've borrowed, usually at a variable rate; when the draw period ends, a repayment period begins and the payment can jump. A home equity loan is a single fixed lump sum at a fixed rate, repaid in equal installments — the same payment every month.
Rule of thumb: a HELOC fits ongoing or uncertain costs (a multi-stage renovation) where you want flexibility; a home equity loan fits a one-time, known expense where a predictable payment matters more.
Where a cash-out refinance fits
A cash-out refinance replaces your mortgage entirely with a new, larger one and returns the difference in cash. Owe $250,000, refinance into $310,000, and you walk away with about $60,000 before closing costs.
The trade-off is your existing rate: if you locked in a low one, refinancing into a higher rate to pull cash can cost far more over time than a HELOC or home equity loan that leaves the original mortgage untouched. When your current rate is already at or above market, a cash-out refinance can consolidate everything into one payment.
Who borrows against home equity — and what to weigh
Common reasons are home improvements, consolidating higher-interest debt, and large one-time costs like education or medical bills. Renovations are the classic case — the borrowing can increase the value of the same asset securing the loan.
Before you borrow, weigh the rate structure (fixed certainty vs. variable flexibility), the total cost including closing fees, and whether the expense justifies putting your home on the line. The strongest candidates have a clear purpose, a defined payoff plan, and enough income stability to absorb a variable payment if rates rise.