30-year mortgage

A mortgage paid off over 30 years. Payments are lower than shorter loans but total interest is much higher. The default choice for most U.S. buyers.

Financing · Updated September 2026

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Part 1 of 4

Why a seller cares

Most buyers use one, and most sellers are paying one off. Its slow early amortization is why a seller a few years in still owes nearly the whole loan, and why the payoff surprises people.

Part 2 of 4

A simple example

A $240,000 30-year loan at 6.5%. After five years the balance is still about $224,000, though the buyer has paid about $91,000.

30-year mortgage: a simple example
After five yearsWhere the money went
Payments madeAbout $91,000
Principal paidAbout $16,000
Interest paidAbout $75,000

Thirty years keeps the payment low by front-loading the interest.

Part 3 of 4

What people get wrong

That a low payment means the loan is cheap. It means the loan is long, and long is expensive.

Part 4 of 4 · where to read next

Where it appears in the sale

What a definition is, and what it isn't

Keighbor is a software company, not a law firm, brokerage, or tax adviser. This is general information, not legal, tax, financial, or real estate advice about your sale. Your situation may differ. Before acting on a contract, disclosure, title, tax, or pricing question, ask an appropriately licensed professional in your state.

Written and researched by Keighbor Research · drawn from the reference glossary · how we research and check what we publish

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