County Jail medium ✓ Verified August 2026

Cascade County Adult Detention Center

3800 Ulm N Frontage Rd, Great Falls, MT 59404 ·Cascade County ·Capacity: 376 ·406-454-6820
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📍 Cascade County Adult Detention Center · Great Falls, MT

Cascade Co Detention in Great Falls, MT is a county detention facility operated by the Cascade County Sheriff's Office. Most people here are awaiting trial or sentencing - this is not a prison, and most stays are measured in days or months, not years. If someone you care about was just booked here, you have questions. Start with the one that matters most right now.

Is my family member at Cascade Co Detention?

If you are not certain they are there, the fastest way to confirm is the Cascade County inmate search or InmateAid's inmate locator, which searches across Montana facilities by name.

Booking takes time - sometimes several hours after arrest. If the search comes back empty, wait a few hours and try again before assuming they have been transferred somewhere else. You can also pull their arrest record and booking details to confirm the charges and facility assignment. For the most direct answer, call Cascade Co Detention at 406-454-6820.

Official Inmate Search ↗ Current location, custody status and identifying number VINE — Victim Notification ↗ Automatic alerts on custody status changes
How do I get them out on bail?

Most people booked at Cascade Co Detention appear before a judge within 24 to 48 hours. At that first appearance the judge sets the bail amount - or denies bail - based on the charges, the person's history, and whether they are considered a flight risk.

If bail is set, your family member can be released by paying the full amount or by using a bail bondsman, who typically charges 10 percent of the total as a non-refundable fee. If bail is denied or the amount is unaffordable, they remain at Cascade Co Detention until the case resolves. InmateAid's bail and bond guide walks through every option including what to do if you cannot afford a bondsman.

What is happening to them right now?

Right after arrest, your family member goes through intake at Cascade Co Detention - identity verification, medical screening, property inventory, and classification. Classification places them in a housing unit based on the charges, prior record, and intake behavior. It is not a punishment. It is how the facility manages a population that ranges from people picked up on minor warrants to individuals facing serious charges.

For the first 24 to 48 hours, phone access and visitation are typically unavailable while booking completes. Once they are assigned to a housing unit, those channels open up. InmateAid's what happens in jail guide covers the full intake process step by step so you know what to expect.

How do I talk to them by phone?

Your family member calls you - you cannot call them. Calls from Cascade Co Detention go through Securus Tech® and all calls are recorded except attorney calls. Set up a Securus Tech® account before the first call so the connection goes through without delay.

Phone contact is more important than most people realize going into this. A regular call - even a short one - makes a measurable difference in how someone holds up inside. Do not let the setup friction stop you. Visit InmateAid's jail calls page for step-by-step account setup, current rate information, and tips for keeping funds available.

Securus Tech® ↗ Contracted phone carrier — account setup and rates
When can I visit and what are the rules?

Visitation hours at Cascade Co Detention are set by the facility and can change without much notice. Before making the trip, call 406-454-6820 to confirm current hours, any advance registration requirements, and what you are allowed to bring.

The most common mistake families make is showing up without confirming first - and that results in a wasted trip and a missed visit for your family member. General rules across most Montana county jails: dress conservatively, avoid colors that resemble inmate uniforms, leave your phone in your car, and bring valid government-issued ID. Children may be permitted with specific requirements depending on the facility. InmateAid's visitation guide has a full checklist you can run through before you go.

The Cascade County Adult Detention Center permits non-contact visitation at this time, requiring all visitors to preregister online at least 24 hours in advance of their requested visit. Visitors must adhere to facility guidelines, including dress code requirements and visitation rules, to ensure a secure and orderly environment.

Visitation Schedule

Non-contact visits take place on Saturdays and Sundays from 8:30 AM to 4:45 PM. Inmates are allowed one 45-minute visit per weekend.

  • G/H/J Pods: 8:30 AM – 1:15 PM
  • K Pod: 1:30 PM – 4:45 PM
    Visitors should arrive no more than 15 minutes before their scheduled visitation time. All visitation requests must be submitted by 5:00 PM on the Friday preceding the upcoming weekend.

Basic Visitation Rules

Visitors must pass through a metal detector before entry and follow a strict dress code that applies to adults and children seven years and older. The following clothing is not permitted:

  • Spandex tops, transparent clothing, tank tops
  • Dresses or skirts with slits above the knee
  • Shawls, ponchos, down-filled vests
  • Short skirts, crop tops, or excessively low-cut tops
  • Hats, caps, or head scarves
  • Jackets, coats, or sweaters
  • Female visitors must wear a bra (no metal underwire allowed)
    Visitors must remain fully clothed throughout the visit. Tobacco products are prohibited within the facility.

Visitor Limitations & Permitted Items

Each inmate is allowed up to four visitors per session, including children. Visitors may bring only:

  • Two car keys on a bare ring
  • Valid, non-expired government-issued photo ID
  • For visitors with infants:
    • One clear plastic bottle per infant
    • One diaper
    • One small, non-quilted blanket (3' x 3')
    • Four baby wipes in a clear plastic bag
    • No baby carriers or diaper bags allowed

Grounds for Visit Termination

A visitor's privilege to visit may be terminated for:

  • Being under the influence of alcohol or drugs
  • Failing to comply with staff orders
  • Providing false identification or refusing to present valid ID
  • Disrupting the visiting area by failing to supervise children
  • Violating facility rules

Serious violations, such as introducing contraband, may result in suspension of visitation privileges. Immediate family members may reapply after six months, while all others may reapply after one year. Depending on the severity of the violation, the facility administrator may:

  • Reinstate regular visitation
  • Allow only non-contact visits
  • Continue the suspension
  • Permanently revoke visitation privileges

Visitors are encouraged to follow all regulations to maintain their ability to visit inmates at the Cascade County Adult Detention Center.

⚑ Full visitation information, times & rules
How do I put money on their books?

Money on the books - also called the commissary or trust account - gives your family member access to hygiene items, snacks, phone time, and postage. It is one of the most practical things you can do and it has a direct effect on their daily comfort.

Cascade Co Detention accepts deposits through approved channels that typically include online deposit, phone deposit, or a kiosk at the facility. Use your family member's full legal name and booking number exactly as they appear in the jail's system - any error in the name or number will delay or reject the deposit. InmateAid's send money page lists the specific deposit methods accepted at Cascade Co Detention and walks through the process.

AccessCorrections ↗ Commissary and trust-account deposits
How do I send letters or photos?

A letter or a printed photo costs almost nothing to send and means far more than most people outside appreciate. Cascade Co Detention accepts incoming mail addressed to your family member at 3800 Ulm N Frontage Rd. Put their full legal name and booking number on every piece of mail.

Standard rules at most Montana county jails: plain white paper only, no staples, no glitter, no stickers, no colored ink. Photos should be standard print size with nothing written on the back. Mail that does not meet the facility's standards will be rejected - and the facility may not notify you that it was. Keep it simple.

InmateAid's send mail service lets you write and send directly from your phone or computer. We print on approved stock and mail it for you, so rejection for formatting is not a risk.

Books and magazines must come new, ordered directly from the publisher or through an online retailer - not shipped from your home address. Facilities require this to prevent contraband. Order through Amazon or directly from the publisher. Anything shipped from a personal address will be turned away.

Inmate Mailing Address
[Inmate Full Legal Name]
ID #: [Inmate Number]
Cascade County Adult Detention Center
3800 Ulm N Frontage Rd
Great Falls, MT 59404
What else should I know about Montana jails?

County jail procedures, visitation rules, phone rates, inmate search tools, bail processes, and what happens at release all vary by state. Montana has its own rules and its own agencies, and what applies in one state does not always apply here.

InmateAid's Montana prison resources hub covers all of it - written specifically for families navigating the Montana system. Start there when you need answers that go beyond what this facility page covers.

Official Resources

County jail time is hard in a way that is different from anything else. The uncertainty - not knowing how long, not knowing what comes next - wears on everyone. What you can control is the connection. Calls, letters, visits, money on the books. Every one of those things tells your family member that someone out here is paying attention and is not going anywhere.

InmateAid was built for exactly this. Use us.

About this page — Information is compiled from official facility sources, state DOC guidelines, and verified family reports. Last updated August 2026.