Yellowstone County has rolled out a new website aimed at informing residents about a proposed renovation and expansion of the Yellowstone County Detention Facility, ahead of a bond and levy measure headed to voters on the November 3, 2026 ballot. The county has also set up accompanying Instagram and Facebook accounts under the Yellowstone County Jail Expansion name. Yellowstone County November 2026 Bond and Levy ExplainedVoters will be asked to weigh in on both a bond and a levy this November. Secure Yellowstone County." Regional Growth & History of the Yellowstone County JailCaptain Brandon Smart of the Yellowstone County Detention Facility said the facility was originally built in 1987 and expanded in both 1997 and 2018.