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What Is a Cosigner?

By Kristi WaterworthUpdated Aug 7, 2025 at 6:40 PM EST
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Key Points

  • Cosigners assure lenders by guaranteeing loans when primary borrowers lack credit.
  • If a principal borrower fails to pay, the cosigner must cover missed payments.
  • Alternatives like larger down payments can replace the need for a cosigner.
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