Desktop Underwriter

Desktop Underwriter® (DU®) provides lenders a comprehensive credit risk assessment that determines whether a loan meets Fannie Mae’s eligibility requirements.

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If account is locked or deactivated, or you forgot your user ID, contact your Technology Manager administrator.

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Related Links

Related Applications

With Day 1 Certainty, you get freedom from reps and warrants and greater speed and simplicity. With the DU Validation Service, you can validate loan application data upfront.

Learn How DU Can Help Your Business

New Users: How to Register Round Icon

  • To register, contact your company's Technology Manager administrator. Only admins have the ability to set up and manage application access for users. Once registered, you can set up your password and update your personal profile via Technology Manager. Learn More

Help & Training

Technology Terms & Conditions

What's New

  • Selling Guide updates from DU 10.1 release new

    The July Selling Guide update includes policy changes to align with DU version 10.1, which allows more borrowers to received an Approve/Eligible with DTI ratios 45 to 50%, aligns the maximum LTV ratio for ARMs with fixed-rate up to 95%, and simplifies the risk assessment and messaging for loan casefiles with disputed tradelines.

  • No impact to DU based on credit report changes

    Effective July 2017, credit reports will no longer include most tax liens and civil judgments. There will be no impact to the DU risk assessment and recommendations. There will be no change to our current policy that requires judgments and liens to be paid off before or at closing.

Release Notes

Frequently Asked Questions

What is Trended Credit Data?

Trended credit data is now being used in DU.

User Help

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Upcoming Milestones

Stay on course with upcoming news and timelines.

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