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Office of Trust Services

Our Mission

The mission of the Office of Trust Services (OTS) is to protect, develop, manage, and enhance Indian trust resources for the benefit of American Indian and Alaska Native peoples and expand economic opportunities through effective trust management that recognizes and supports Tribes' self-governance and self-determination.

INVITATION: Indian Energy Resource Summit - June 17-18, 2025

Tribal Leaders and Tribal Energy programs are invited to the Indian Energy Resource Summit in Lakewood, CO, from June 17 to 18. This two-day event will feature current Oil and Gas, Solid Mineral, and Renewable Energy Industry Partners and their presence in Indian Country for the benefit of Tribes and Tribal communities. Tribes are also invited to showcase their energy programs and successes.

Please use the Indian Energy Resource Summit Online Registration Link to register for this event. On-site registration will be available through the morning of June 18, 2025. For more information please read the Dear Tribal Leader Letter below.

Publications  

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Newsletters

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Who We Serve

The Bureau of Indian Affairs (BIA) Office of Trust Services (OTS) has offices nationwide, and assists Tribal governments and allottees in managing, protecting, and developing their trust lands and natural resources, which total 56 million surface acres and 60 million acres of subsurface mineral estates. OTS programs aid landowners in the stewardship of their cultural, spiritual, and traditional resources, and help Tribal governments create sustainable sources of revenue and jobs for their communities.

Services We Provide

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About the Office of Trust Services

OTS carries out Indian Affairs' trust responsibilities to American Indian and Alaska Native Tribes and individuals and oversees all major activities associated with the management and protection of trust and restricted lands, natural resources, and real estate services.

Programs administered include real estate services; land titles and records; probate; natural resources; forestry and wildland fire management; irrigation and power; safety of dams; environmental services; tribal climate resilience; land consolidation; and geospatial services.

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