DU Validation Service

The Desktop Underwriter® (DU®) validation service validates loan application data upfront, gives you faster and easier validation, and freedom from representations and warranties on validated income, assets, and employment.

Streamline Your Process

Access Via DU

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Data Vendor Information
The DU validation service uses third-party data vendors to independently validate borrower income, assets, and employment data, providing our lenders Day 1 Certainty on validated loan components.

Fannie Mae has an open platform for data vendor participation to provide choices to our customers.

Current Data Vendor List.

Data Vendor Process.

Getting Started

Are You Ready for Day 1 Certainty?

Help & Training

DU/DO/Fannie Mae Connect user credentials are needed to access the files with lock icons below.

What's New

  • URLA February 1, 2020 Mandate Rescheduled

    FHFA has directed Fannie Mae and Freddie Mac to make specific modifications to the redesigned Uniform Residential Loan Application (URLA)/Form 1003. To allow time to make the necessary changes, deadlines for implementation of the redesigned Form 1003 and DU Specification will be postponed.

DU Validation Service Updates

Frequently Asked Questions

Message for Data Vendors

Release Notes

User Help

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

Technology Terms and Conditions