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Housing
Term 842 of 1030
Featured entry
1 min readTwo voicesFeatured

Second mortgage.

A second mortgage is an additional loan taken against a home you already have a mortgage on, using your equity as collateral.
Verified July 2026 · Source: CFPB
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In plain English

A second mortgage is a loan secured by a home that already has a primary mortgage on it. It taps the equity you have built and comes in two main forms: a home equity loan, paid out as a lump sum at a fixed rate, and a home equity line of credit, or HELOC, that you draw from as needed. It is called second because if you default and the home is sold, the first mortgage is repaid before the second. That extra risk to the lender usually means a higher interest rate than the first mortgage.

Most useful ages
25 to 70
001The Real Cost
Your home is worth 400,000 dollars and you owe 250,000 dollars. A second mortgage might let you borrow up to about 70,000 dollars against your equity, adding a second monthly payment secured by the house.

01Why it matters

A second mortgage turns home equity into spendable cash but adds another payment and puts the home at risk, so the rate and repayment terms deserve close attention.

02The math, step by step

Your home is worth 400,000 dollars and you owe 250,000 dollars. A second mortgage might let you borrow up to about 70,000 dollars against your equity, adding a second monthly payment secured by the house.

03What this is NOT

Do not confuse with Refinancing the first mortgage

A second mortgage is NOT a refinance. It adds a new loan on top of your existing mortgage; a refinance replaces the first mortgage with a new one.

04Receipts

Every figure on this page is sourced to a primary document. Tap to open the original.

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Last reviewed July 13, 2026 · Reviewer Joseph Citizen, Founder