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Mortgage Basics

Default

Direct definition

Failing to meet the terms of the loan — most often by missing payments.

Written by the Vabasso Mortgage Editorial Team · Reviewed against agency and federal sources · Read our editorial policy for how we research and review mortgage content

Plain-English explanation

Default is defined in your loan documents. It can trigger late fees, acceleration, and eventually foreclosure.

Why it matters

Contact your servicer at the first sign of trouble — options like forbearance and modification are often available before default becomes formal.

Where you may see it

  • Servicer notices
  • Mortgage note
  • Loan modification documents

A real-world example

After 90 days of missed payments, the servicer files a notice of default and begins the foreclosure timeline.

Educational and illustrative only

A common misunderstanding

Default doesn't happen the moment a single payment is late — it's typically defined by prolonged non-payment per the loan documents.

Ask Vabasso AI

This glossary provides general educational information. Mortgage terminology, qualification methods, forms, timelines, fees, program rules, and legal meanings may vary by lender, investor, loan program, property, occupancy, state, and transaction. Definitions do not represent loan approval, legal advice, tax advice, or a commitment to lend.
Author
Vabasso Mortgage Editorial Team
Reviewed by
Vabasso Mortgage Licensed Advisory Team
Last reviewed
July 30, 2026

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