Petroleum County Jail
Petroleum County Jail
The Petroleum County Jail is CLOSED. Offenders in Petroleum County are housed in Fergus County.
Offenders arrested for misdemeanors and felonies in this county are brought to Fergus County for booking and processing, and if their crime requires it, are incarcerated until they are either bonded out, are released from custody on their own recognizance, or are ordered to remain in custody until the disposition of their trial.
Inmate Services
Phone
406-429-6551Mailing address (personal mail)
Mailing address (legal mail or subscriptions)
Fergus County Jail
PO Box 180
Lewistown MT 59457
(no books, no magazines)
Other Jails and Prisons
To search for an inmate in the Petroleum County Jail, review their criminal charges, the amount of their bond, when they can get visits, or even view their mugshot, go to the Official Jail Inmate Roster, or call the jail at 406-429-6551 for the information you are looking for.
Petroleum County Jail Inmate Search
We’ve compiled a list of Frequently Asked Questions and Answers for everything you need to know about finding an inmate in the Petroleum County Jail, how the jail rosters work and what happens after an offender is arrested and booked. If you still have questions after reviewing these FAQs, call 406-429-6551 for further assistance.
The Petroleum County Jail maintains an average of 0 offenders in custody on any given day. The Petroleum County Jail has a monthly turnover of 40% of their inmate population, another 30% turnover every 90 days, another 20% every six months, and approximately 10% stay incarcerated between six and twelve months. Every year Petroleum County law enforcement agencies arrest and detain approximately 741 offenders.
⇓ Learn more ⇓ Show lessThe Petroleum County Jail is CLOSED. Offenders in Petroleum County are housed in Fergus County.
How is booking conducted at Petroleum County Jail?
After an arrest, individuals are transported to Petroleum County Jail for the booking process. This procedure ensures the person’s identity, assesses charges, and determines if they will be released, eligible for bail, or detained until court.
Remaining silent during this process is vital. Anything said could be used as evidence, so it’s wise to wait for an attorney before speaking about the arrest.
Here’s a breakdown of the booking steps at Petroleum County Jail:
- Verifying identification information.
- Capturing mugshots for record-keeping.
- Health assessments and questions about criminal history.
- Possible DNA collection.
- Physical search for contraband or weapons.
- Securing personal belongings.
- Granting a free phone call.
For questions about an arrestee’s bond, call the facility at 406-429-6551.
How to post bail for someone arrested in Petroleum County
When an individual is arrested and booked at Petroleum County Jail in Winnett, the outcomes include:
1. Release without bail, under the condition they appear for their court date.
2. Remain in custody until the court appearance.
3. Post a bail or bond for release. Contact 406-429-6551 for specific bail amounts.
Bail payments can be made in different ways.
- Cash bonds must be paid in full, either at the jail's bonding window or with the clerk of court, and are accepted as cash, cashier's check or money order; many jails also process cards through a lobby kiosk or online vendor for a fee, so bring the inmate's full name and booking number, and phone the jail at 406-429-6551 if needed.
- You can work with a licensed bail bondsman in Petroleum County.
- Many courts allow a property bond, letting an owner put up land or a home after proving clear title and equity of at least the bond (often double) through a deed and a recent tax or appraisal value, with approval from the court that set bail.
For further information on posting bail in Petroleum County, Montana, visit the Petroleum County Jail Bail Information Page.
⇓ Learn more ⇓ Show lessWhat are the other City and County Jails in Petroleum County?
Petroleum County County Jails
⇓ Learn more ⇓ Show lessWhat are the other Jails in the Neighboring Counties surrounding Petroleum County?
Nearby counties
The Petroleum County Jail serves the following cities and towns of Petroleum County: Winnett.