Uniform Appraisal Dataset

The Uniform Appraisal Dataset (UAD) is a component of the Uniform Mortgage Data Program® (UMDP®), jointly established by Fannie Mae and Freddie Mac under the direction of our regulator, the Federal Housing Finance Agency, to provide common requirements for appraisal and loan delivery data.

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What's New

  • Lender Letter 2015-02

    This Lender Letter provides clarifications and additional information on Fannie Mae’s valuation-related tools and appraisal policies, including Collateral Underwriter, Appraiser Quality Monitoring, and updates to the Property Eligibility and Appraisal Requirements section of the Selling Guide.

Frequently Asked Questions

Recent Newsletters

  • Quarterly Compass

    Provides information on Fannie Mae initiatives and upcoming milestones, and what lenders need to know to successfully navigate the changes ahead.

  • May UCDP Release Notification and UAD Update

    Provides information on upcoming July 2014 Uniform Collateral Data Portal (UCDP) updates and reminders on submissions of appraisals to the UCDP.