3B Detention Center Overview
3B Detention Center is a secure juvenile detention facility in Idaho Falls. It serves Bonneville, Bingham, and Butte Counties, and its official materials say it also contracts with outside counties for secure juvenile housing. The facility is close to Bonneville County Jail on Environmental Way, but the two facilities serve different populations. Bonneville County Jail is the adult jail. 3B Detention Center is for youth in the juvenile justice system.
The 3B homepage describes its work through restorative justice principles: community protection, accountability, and competency development. Those terms matter because juvenile detention is not just a smaller version of an adult jail. Youth detention involves court orders, education, family contact rules, and confidentiality limits that do not apply in the same way to the adult public jail roster. The 3B site also lists education, PREA information, reporting abuse, resident calls, resident mail, visitation, facility tour material, and frequently asked questions.
3B partners with Emerson High School and Idaho District 91 for education services that comply with state and federal standards. That gives the facility a school-service role in addition to secure detention. For adult inmate searches, the correct channel remains the sheriff inmate list for Bonneville County Jail. For a youth resident at 3B, the public route is more limited and should start with the facility, the responsible juvenile court, or the legal guardian's approved contact channel.
3B Detention Center Capacity
The facility map and 3B homepage list 16 detention beds. The 3B homepage says the facility serves more than 25,000 youth across Bonneville, Bingham, and Butte Counties. That service-area figure should not be read as a custody count. It describes the youth population served by the regional juvenile detention system, not the number of residents held in detention on a given day.
No official public daily population table for 3B Detention Center was located. The sourced capacity is therefore the safest number to publish. Any current-resident count should be confirmed through the facility or the responsible juvenile authority, and public access may be restricted because the residents are youth.
3B Detention Center Lookup
3B Detention Center is not covered by the adult Bonneville County Jail inmate list. The adult roster shows current adult jail inmates and visible fields such as image, inmate ID, name, and location. It should not be used to confirm whether a youth is held at 3B. Juvenile detention records are more restricted, and no public 3B resident roster was found in the official sources.
- Confirm that the question involves juvenile detention rather than an adult arrest or state corrections case.
- Use the official 3B Detention Center contact information for custody and visitation routing.
- Work through the youth's parent, legal guardian, attorney, or juvenile court contact when access is restricted.
- Use the adult jail roster only if the person is an adult booked into Bonneville County Jail.
Families sometimes search the wrong system because 3B and the adult jail are both in Idaho Falls and sit near each other. The distinction is central. Adult pretrial and local sentenced custody belongs on the Bonneville County Jail path. IDOC residents are searched through the state Resident/Client Search. ICE custody uses the ICE Online Detainee Locator System. Youth detention at 3B follows juvenile detention rules and facility-specific contact channels.
3B Detention Center Contact
3B publishes both a physical address and a mailing address. The physical facility is on Environmental Way in Idaho Falls. The mailing address uses the Capital Avenue address listed by 3B. The site's open hours are Monday through Friday, 8 a.m. to 5 p.m., with Saturday and Sunday closed. Because detention operations can involve custody outside normal office hours, call before traveling for a visit or records question.
3B Detention Center
950 Environmental Way
Idaho Falls, ID 83401
208-542-2947
Office hours listed as Monday-Friday, 8 a.m.-5 p.m.; fax 208-542-2970
The published mailing address is 605 Capital Ave., Idaho Falls, ID 83402. Use the facility's own mail instructions for a resident, because youth detention mail rules may limit who can send or receive correspondence and how items are screened.
3B Detention Center Visits
The 3B visit-a-resident page is the official source for resident visitation. 3B publishes visitation instructions, but no full day-by-day schedule was available in the extracted official material. Because the facility houses youth, public access can be more limited than adult jail access. A public adult-style walk-in visitation model should not be assumed.
| Visit Item | Published Source | Practical Use |
|---|---|---|
| Resident visits | 3B visit-a-resident page | Confirm eligibility, approved visitor rules, and current schedule with the facility. |
| Office hours | 3B homepage | Monday-Friday, 8 a.m.-5 p.m.; Saturday-Sunday closed. |
| Facility type | 3B detention page | Secure juvenile detention, so public access is more limited than adult jail visitation. |
Visitors should call 208-542-2947 before arriving. 3B, the responsible juvenile authority, or an approved family contact can confirm whether a visit is allowed and what current rules apply.
3B Detention Center Mail
The 3B resident mail page is the official source for sending mail to a youth resident. No public commissary, deposit, or fee table for 3B was found in the official sources. Because this is juvenile detention, mail and money practices should be confirmed directly with staff before sending funds, packages, photos, or any item beyond ordinary approved correspondence.
| Service | Provider / Detail |
|---|---|
| Resident mail | Use 3B's send-mail-to-a-resident instructions and the facility mailing address. |
| Phone calls | 3B publishes resident calls information; confirm approved contact rules with staff. |
| Money or fees | No official fee table was published in the official source. |
Do not borrow the adult jail's Access Corrections or Telmate rules for 3B unless 3B itself directs the family to that channel. The adult Bonneville County Jail mail system uses an out-of-state scanning address, but no official 3B source reviewed says 3B uses the same system.
3B Detention Center Intake
3B handles youth ordered or awaiting juvenile detention from Bonneville, Bingham, Butte, and contract counties. No full public intake sequence was located, so intake should be described in general terms only. Youth may arrive under juvenile-justice authority, and the official 3B materials emphasize secure detention, education services, resident communication, PREA information, and restorative justice principles.
The facility's restorative justice framework gives three plain-language goals: protect the community, hold youth accountable, and build competence. That can include education services, structured daily rules, resident communication, and PREA-related reporting channels. It does not create a public roster. Juvenile privacy remains the main reason custody details may not be available to the general public.
About 3B Detention Center
3B is a regional youth detention channel within the Bonneville County custody map. Its role is narrow but important: secure detention for youth, not adult jail housing. The facility's official pages include detention services, visitation, mail, calls, education, PREA, reporting abuse, and contact information. 3B also publishes PREA pages and an audit-report area, which supports the facility's public safety and reporting framework.
Adult records and youth detention should stay separate in search decisions. For an adult booked after a Bonneville County arrest, use the adult jail roster or call Bonneville County Jail. For a youth resident, call 3B or work through approved family, counsel, or juvenile court contacts. For sentenced state custody, use IDOC. For immigration custody, use ICE ODLS.
Note: Confirm juvenile custody, visitation, and mail permissions directly with 3B before sharing or requesting resident information.