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Mortgage Glossary

Delinquency

Mike Starr·Reviewed August 2026

A mortgage is considered delinquent when a borrower is late on a required payment. Delinquency typically begins as soon as a payment is missed past its due date or grace period. Lenders report delinquencies to credit bureaus and may charge late fees. Prolonged delinquency — usually 90+ days — can lead to default and foreclosure proceedings.