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Appraisal and Valuation Services Office
  • AVSO
  • About Us
    • AVSO Leadership Team
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Appraisal and Valuation Services Office

Black, bold letters A-V-S-O

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. 

Learn more about AVSO >>

Snowy mountains with trees in the foreground
Snowy mountains with trees in the foreground

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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Sun shining through snow-covered evergreens
Sun shining through snow-covered evergreens

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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Rock formations in Yosemite in wintertime.
Rock formations in Yosemite in wintertime.

Opportunities

Explore opportunities to work with AVSO.
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The rising sun shines through tall grasses in a marshy area during wintertime
The rising sun shines through tall grasses in a marshy area during wintertime

What's New?

Check here for any announcements.
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Evergreen needles and golden ginko leaves lying in the snow
Evergreen needles and golden ginko leaves lying in the snow

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.
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Snowy evergreens in twilight
Snowy evergreens in twilight

Contact Us

We welcome your questions and feedback.
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U.S. Department of the Interior, 1849 C Street NW, Washington, DC 20240.

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