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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Admins: Manage Applications/Users

Upcoming Outage

DU may be unavailable from 9:30 p.m. to 11 p.m. ET Sunday, Sept. 24.

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.

Property Inspection Waivers: Disaster Reminder Exclamation Point

Loans in process that will be secured by properties located in a disaster-impacted area are ineligible for property inspection waivers (PIWs). We periodically update our systems to deactivate PIW offers in certain disaster-impacted areas that can identified by county or ZIP Code boundaries, but we are unable to identify and de-activate PIW offers on all properties that may have been impacted by a disaster. For more information, view the PIW FAQs and the Assistance in Disasters page.

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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

  • DU Version 10.0 and 10.1 August Update

    Effective Saturday, Aug. 19, Desktop Underwriter will update Property Inspection Waiver offers to include some purchase transactions.

  • Selling Guide Updates From DU 10.1 Release

    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.

Release Notes

Frequently Asked Questions

What is Trended Credit Data?

Trended credit data is now being used in DU.

User Help

Have a question? Access the page below to contact the Technology Support Center for help.

Upcoming Milestones

Stay on course with upcoming news and timelines.

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