Our Services

Valuation Division

AVSO's Valuation Division is the hub of its first-class appraisal and valuation services. Our highly qualified appraisal and minerals evaluation staff support the Department with its valuation needs in realty actions—on federal and Indian trust lands. AVSO works in all 50 states in both rural and urban settings conducting and supporting appraisals of all property types.

To best support our clients and efficiently manage workflows, AVSO aligns with a geographical regional structure—West, Central, and East Regions. Each region has an assigned regional director responsible for the overall management of the valuation programs within their respective region.

Areas of Responsibility

Providing valuation services and completing special projects for the Department:
- Real property appraisals
- Appraisal reviews
- Tribal trust property valuations
- Mass appraisals
- Appraisal support for tribes
- Minerals valuation and evaluation services through AVSO's Division of Minerals Evaluation
- Quality control management
Serving other federal agencies outside of DOI
Approving valuation policy and guidance through AVSO's Technical Services Division
Delegating appraisal review and approval authority to the Chief Appraiser
Providing the Office of the Secretary FOIA Officer with valuation records
Supporting the Office of the Solicitor with responses to subpoenas or Touhy requests
Supporting the Department of Justice with valuation, records, or other information
Professional and apprentice staff development
Coordination with AVSO's Operations Division and Office of Tribal Sovereignty
Other duties prescribed by 112 DM 33, 212 DM 33, and 602 DM 1

Shirley Milli
Deputy Director, Valuation Division
Shirley_Milli@ios.doi.gov

The expertise and support from our Division of Minerals Evaluation, Operations Division, Technical Services Division, and Office of Tribal Sovereignty are essential to AVSO's core function and the accomplishment of our mission. Learn more about each:

Division of Minerals Evaluation

The Division of Minerals Evaluation (DME) provides unbiased minerals assessments and valuations.

Learn more
Technical Services Division

The Technical Services Division (TSD) develops valuation policy, procedures, and reporting systems within AVSO and is also responsible for internal quality control and audit functions to maintain the highest level of performance in valuation.

Learn more
Operations Division

The Operations Division is responsible for a variety of crosscutting business and administrative functions that directly affect AVSO's ability to fulfill its mission.

Learn more
Office of Tribal Sovereignty

The Office of Tribal Sovereignty promotes the success of Tribal appraisal programs across the nation, serving as the center for valuation matters related to Native American Tribes and Alaska Consortiums.

Learn more