FHFA Data: Uniform Appraisal Dataset (UAD) Appraisal-Level Public Use File (PUF)

Version 2.1 (2/4/2025)The Uniform Appraisal Dataset (UAD) Appraisal-Level Public Use File (PUF) is the nation’s first publicly available appraisal-level dataset of appraisal records, giving the public new access to a selected set of data fields found in appraisal reports. The UAD Appraisal-Level PUF are provided separately for the Enterprises (Fannie Mae and Freddie Mac) and Federal Housing Administration (FHA) appraisals:The Enterprise UAD Appraisal-Level PUF is based on a five percent nationally representative random sample of appraisals for single-family mortgages acquired by the Enterprises. The current release includes appraisals from 2013 through 2022.The FHA UAD Appraisal-Level PUF is based on a five percent nationally representative random sample of appraisals for single-family mortgages insured by FHA. The current release includes appraisals from 2017 through 2022.The UAD Appraisal-Level PUF is a resource for users capable of using statistical software to extract and analyze data. Users can download annual or combined files in CSV, R, SAS and Stata formats. All files are zipped for ease with download.The UAD Appraisal-Level PUF provides the public and policymakers with meaningful data about appraisals to identify trends, conduct research, and promote compliance. Public, transparent data about appraisals promotes a liquid, efficient, competitive, and resilient national housing market.​DocumentationUAD PUF Dat​a Dictionary Version 2.1 (2/4/2025)UAD PUF Version History Version 2.1 (2/4/2025)UAD PUF D​ata Documentation (2/4/2025)

版本2.1（2025年2月4日）
统一评估数据集（Uniform Appraisal Dataset, UAD）评估级公共使用文件（Appraisal-Level Public Use File, PUF）是全美首个可公开获取的评估级住房评估记录数据集，向公众开放评估报告中精选的若干数据字段。

UAD评估级公共使用文件分为两类，分别对应企业（房利美（Fannie Mae）与房地美（Freddie Mac））及联邦住房管理局（Federal Housing Administration, FHA）的评估数据：
企业版UAD评估级公共使用文件基于房利美与房地美收购的单户住宅抵押贷款评估的5%全国代表性随机样本构建，本次发布涵盖2013年至2022年的评估记录。
FHA版UAD评估级公共使用文件基于联邦住房管理局承保的单户住宅抵押贷款评估的5%全国代表性随机样本构建，本次发布涵盖2017年至2022年的评估记录。

UAD评估级公共使用文件面向具备使用统计软件提取、分析数据能力的用户开放。用户可下载CSV、R、SAS及Stata格式的年度文件或合并文件，所有文件均已压缩以简化下载流程。

UAD评估级公共使用文件可为公众与政策制定者提供极具价值的评估行业数据，助力识别行业趋势、开展学术研究并推动合规管理。公开透明的评估数据有助于打造流动高效、竞争充分且韧性强劲的全国住房市场。

文档
UAD PUF数据字典 版本2.1（2025年2月4日）
UAD PUF版本历史 版本2.1（2025年2月4日）
UAD PUF数据文档（2025年2月4日）