How to Compute Equity in a Home

Your house is probably your largest asset, making your equity in it a big chunk of your net worth.
i Andrew Bret Wallis/Photodisc/Getty Images

Your home is probably your most substantial asset, meaning that your equity in it makes up a big chunk of your family's net worth. Equity is that portion of your home's total value that isn't encumbered by a loan or lien. A comfortable margin of equity makes it easier to get some types of consumer credit and can make you eligible for equity borrowing. You can keep track of your home's total value informally via home valuation websites like Zillow.com or a free market analysis by a real estate agent. If you plan to seek a second mortgage or equity line of credit, however, you will need a formal appraisal by a licensed appraiser.

Step 1

Go to zillow.com, or a similar site, and plug your address into the search bar to get an estimate of total value based on local sales. This gives you a general idea of your home value in the context of area values.

Step 2

Find an appraiser in your area who handles your type of property and hire her to produce a formal appraisal of your home. Call your bank for a referral or use an online locator, such as the one offered by the Appraisal Institute. A formal appraisal establishes the total value of your home and explains the reasons for the evaluation.

Step 3

Write down the total value of your home on a piece of paper.

Step 4

Subtract the balance due on your mortgage or mortgages.

Step 5

Subtract the amounts of any liens, lines of credit, consumer credit or property taxes that are secured by the property. Your home equity is the balance left after subtracting the liabilities -- the mortgage and secured debts -- from the total value of the home.

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