Home Equity: How to Calculate It and Put It to Work
Understand home equity, how it builds over time, HELOC vs. home equity loan, and smart vs. risky uses of equity.
What Is Home Equity?
Home equity = Current market value − Outstanding mortgage balance. If your home is worth $400,000 and you owe $250,000, you have $150,000 in equity (37.5% equity / 62.5% LTV).
Equity builds through: (1) mortgage paydown over time, (2) property appreciation, and (3) home improvements that increase value.
How Equity Builds Over Time
In early years of a mortgage, most payments go to interest (amortization front-loading). At 7% on a $300,000 loan, the first payment is roughly $1,880/month — only $130 goes to principal. By year 15, roughly $700/month goes to principal. This is why equity builds slowly early and accelerates later.
Accessing Your Equity
- HELOC (Home Equity Line of Credit): Revolving credit line, variable rate (typically Prime + margin). Like a credit card secured by your home. Draw period (5–10 years) then repayment. Best for ongoing expenses or projects with uncertain total cost.
- Home Equity Loan: Lump sum, fixed rate, fixed repayment term. Best for known, one-time expenses.
- Cash-out refinance: Replace your mortgage with a larger one, take the difference in cash. Best when refinancing to lower rates anyway.
Smart vs. Risky Uses
Generally smart: Home improvements that add value (kitchen, bathroom, additions), debt consolidation from high-rate debt (if you commit to not re-accumulating), investment property down payment.
Risky: Vacations, vehicles, stock market investments (borrowing against a necessity to invest in volatility), or anything where you can't guarantee repayment. Using home equity requires discipline — your home is collateral.