This is a private reference site, not a sheriff's office, jail, court, or records counter. We cannot confirm whether someone is in custody, release an inmate, post bond, schedule a visit, or retrieve an official booking record. Use the official office that holds the record for those actions.
Official Places to Start
For Cass County jail and booking questions, the main local facility is Cass County Jail at 303 Ave A, Plattsmouth, NE 68048. The jail phone is 402-296-9377. The Cass County Sheriff's Office administrative address is 336 Main St., Plattsmouth, NE 68048, with a 24-hour non-emergency phone at 402-296-9370. Call 911 for emergencies. Administrative office hours are Monday through Friday, 8:00 a.m. to 5:00 p.m.
Written public-records requests may be submitted through the sheriff's records pages at casscountysheriffne.gov/public-records-requests or the online records request form. Nebraska's public-records access statute is Neb. Rev. Stat. 84-712.01. The sheriff's office says written requests are processed within four business days unless the request is extensive or difficult. Fees may apply after four hours of research, administrative support time is listed at $24 per hour billed in 15-minute increments, and payment is required before records are provided.
Use these paths based on what you need:
- For someone booked into the county jail, start with jail inmate records and the Cass County Jail phone line.
- For booking-photo context, see jail roster mugshots before assuming a photo is available online.
- For charges filed after an arrest, use court records after a jail arrest. Cass County Court is at 346 Main Street, Room 201, Plattsmouth, NE 68048, phone 402-296-9334, Monday through Friday, 8:00 a.m. to 4:30 p.m. District Court is at 346 Main Street, Room 303, phone 402-296-9339.
- For a specific local facility, use the facility page linked in the footer for Cass County Jail.
- For a sentenced Nebraska state prisoner, use the Nebraska Department of Correctional Services locator at dcs-inmatesearch.ne.gov.
- For federal or immigration custody, use the federal Bureau of Prisons locator or the ICE Online Detainee Locator. The Cass County sheriff's inmate search notes that federal detainees are not discoverable through the sheriff website.