The Yocha Dehe Wintun Nation filed suit against the Vallejo City Council over its approval of an encroachment permit related to a proposed temporary casino, according to Times Herald Online. The lawsuit was initiated on Monday in Vallejo, California, amid ongoing federal reconsideration of the project’s legality.
What happened
On Monday, the Yocha Dehe Wintun Nation challenged the Vallejo City Council’s recent decision to approve an encroachment permit and a memorandum of understanding with the Scotts Valley Band of Pomo Indians for a proposed casino project. The casino aims to include housing, tribal administration facilities, a parking garage, and a 45-acre biological preserve at a projected cost of $700 million.
Chairman Anthony Roberts of the Yocha Dehe Wintun Nation condemned the council’s decision as a violation of the rule of law. “The City of Vallejo’s decision to rush into a Memorandum of Understanding … completely disregards the rule of law and proper process,” he stated. The lawsuit alleges violations of environmental regulations, including the California Environmental Quality Act (CEQA).
The Vallejo City Council had voted to provide essential services to the casino project, which received heated public commentary during an early April meeting. The agreement includes provisions for community engagement and contributions to local initiatives.
Why it matters
The legal action by the Yocha Dehe Wintun Nation highlights significant tensions over tribal land rights and local governance in Vallejo. The lawsuit raises questions regarding the legality of the proposed casino, particularly given the federal government’s review of the Scotts Valley Band’s gaming eligibility and potential violations of state law.
Residents remain divided on the project, with some expressing concern over its environmental impact and the adherence to proper regulatory processes. This lawsuit underscores the complexity of tribal-state relations and the potential implications for local communities and governance.
Background
On March 15, 2026, the Yocha Dehe Wintun Nation requested that the Vallejo City Council pause any action regarding the casino project. Despite this appeal, the council voted to support the temporary casino in April, leading to the current legal dispute.
Prior to these developments, the Department of the Interior had acknowledged potential legal errors in approving the proposed casino, raising further doubts about its viability. On December 10, 2025, the Department expressed concerns that local input could challenge the project’s eligibility for gaming.
What’s next
A final ruling regarding the Scotts Valley Band’s gaming eligibility from the Department of the Interior is expected by the end of July 2026, a timeline reaffirmed by recent federal court filings.

