Appraisal and Valuation Services Office

Independence, Integrity, and Upholding the Public Trust

The Appraisal and Valuation Services Office (AVSO) has the most diverse project portfolio of any appraisal organization in the Federal Government. We provide independent real property valuation and mineral evaluation services for the Department of the Interior in accordance with the highest professional and ethical standards. 

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  • Yosemite Park, USA

    About Us

    At AVSO, we don't have one label that defines what we do. We're not commercial appraisers; we’re not residential appraisers. We do a unique kind of work.
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  • red foliage

    Our Services

    With a highly skilled and experienced staff, AVSO provides professional appraisal and valuation services to Department clients on both Federal and Indian trust lands.
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  • Valley of Fire, Nevada,USA

    Opportunities

    Explore opportunities to work with AVSO.
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  • White Sands National Park

    What's New?

    Check here for any announcements.
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  • Rocky Monument

    AVIS (for AVSO Clients)

    The Appraisal and Valuation Information System (AVIS) is AVSO’s single case management system that incorporates the functionality of two legacy appraisal and valuation systems—OASIS and IVIS—to meet the needs of all users of DOI appraisal and valuation services.
    AVIS Community Portal (for AVSO Clients)
  • Buffalo in front of stream on the plains

    Contact Us

    We welcome your questions and feedback.
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