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

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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

  • View the updated DU Validation Service Reference Guide new

    The logic used by the Desktop Underwriter (DU) validation service to validate bonus, overtime, and commission income using a Verification of Employment and Income report will be updated. This update will apply to all new casefiles submitted to DU on or after Jan. 1, 2020.

  • New Static URLA Published

    The GSEs have published the updated static version of the redesigned Uniform Residential Loan Application (URLA/Fannie Mae Form 1003) reflecting the changes directed by the Federal Housing Finance Agency (FHFA) that were announced in August 2019.

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

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