Mariposa Juvenile Hall Overview
The official Mariposa County Juvenile Hall page describes the facility as a special-purpose 96-hour detention facility for youth who committed offenses before their eighteenth birthday. That narrow purpose is the central fact for this facility page. Juvenile Hall is not the Mariposa County Adult Detention Facility, and it should not be treated as an adult inmate population site, a mugshot roster, or a public booking archive.
Older Grand Jury material described the juvenile unit as a two-room, four-bed facility, with no youth in custody at the time of that inspection. The report said eligible youth were 17 and under, could be held for a maximum of 96 hours, and required at least two staff members on duty whenever a juvenile was in custody. It also noted that local authorities generally tried to handle juvenile matters in the best interest of the child, especially for children under 13. Those older facts give local context, while the county's current web page supplies the present official description.
Mariposa Juvenile Hall Capacity
Research located two capacity descriptions that should be read together. The current county page stresses function: a special-purpose 96-hour youth detention facility. The older Grand Jury report described the unit as a four-bed facility. Because the report is older, the four-bed detail is useful historical and local context, but the current county page should control the present operational description. No current daily juvenile population count was located in the research file.
Those numbers do not mean the public can view a youth roster. Juvenile detention information is handled through probation, court, counsel, and family channels. Public adult-record rules and adult booking-report habits should not be applied to youth records without a specific legal basis.
Mariposa Juvenile Custody Lookup
There is no official public search form in the research file for Mariposa County Juvenile Hall. That is expected. Juvenile records are generally more restricted than adult arrest and booking information, and the official adult Daily Booking Report covers adults arrested and booked into the Adult Detention Facility during the last 24 hours. It is not a youth roster, and it should not be used to infer whether a juvenile is held.
- Use the Mariposa County Probation Department contact path for juvenile custody questions.
- If a court case is already open, use attorney or juvenile court channels rather than the adult criminal portal.
- Parents or legal guardians should be ready to verify identity and relationship to the youth.
- Do not expect mugshots, housing status, or detailed juvenile records to be posted online.
- If the person is 18 or older, check the Adult Detention Facility page and adult custody channels instead.
| Question | Proper Channel | Not Proper Channel |
|---|---|---|
| Is a youth detained? | Probation or court-authorized contact | Adult Daily Booking Report |
| Can a family member visit? | Probation or facility instruction | Adult jail housing-block schedule |
| Are charges filed? | Juvenile court or counsel | Adult criminal case search assumptions |
| Are records public? | Case-specific legal review | Open adult booking PDF |
Mariposa Juvenile Hall Contact
The facility map and research file point to the Mariposa County Probation Department as the relevant juvenile-custody agency. The 2024-2025 Mariposa Probation juvenile plan contact listed Athena Land and a phone number for probation contact. The address is tied in the research to the same public campus area as detention and probation references, but visitor entrance details should be verified before travel.
Mariposa County Juvenile Hall
5379 Highway 49 N
Mariposa, CA 95338
209-742-1282
Probation Department contact path
Adult Jail Is Separate
Mariposa County Adult Detention Facility
5379 Highway 49 N
209-966-3616
Use only for adult custody questions.
Mariposa Juvenile Hall Visiting
The research file did not locate a public block-by-block juvenile visiting schedule. That is different from the adult jail, where the county posts housing-block visiting times. Juvenile contact is typically more controlled because of age, custody status, court orders, family relationship, and privacy rules. Parents, guardians, and attorneys should confirm directly with probation or the facility before arriving.
| Visit Issue | Juvenile Hall Handling | Reason |
|---|---|---|
| Public schedule | No public schedule located in research | Youth custody records are restricted |
| Visitor approval | Confirm through probation or facility staff | Family status and court limits may apply |
| Identification | Expect identity verification | Facility must protect youth privacy |
| Attorney contact | Use counsel and court channels | Legal visits are not ordinary public visits |
| Adult jail schedule | Does not control juvenile visits | Different facility type and population |
Do not rely on the Adult Detention Facility visiting table for a youth. The adult jail's A Block, B Block, and similar housing schedule applies to adult jail housing, not Juvenile Hall.
Mariposa Juvenile Mail Contact
The research file did not locate a public juvenile mail-scanning rule like the adult jail's June 2024 mail policy. That means the safe path is direct confirmation through probation or facility staff before mailing anything, sending funds, or attempting to deliver property. Adult jail rules about Longview, Texas mail scanning, NCIC communications, commissary, mycarepack, and jail kiosk deposits should not be copied onto Juvenile Hall.
| Item | Juvenile Hall Guidance | Do Not Assume |
|---|---|---|
| Confirm format with probation or facility staff | Adult jail scanning address | |
| Phone contact | Ask probation about permitted family contact | NCIC jail phone rates |
| Money | Confirm whether any account process applies | Adult jail commissary account |
| Property | Follow facility-specific instruction | Adult jail property exceptions |
Mariposa Juvenile Intake
Juvenile intake is not the same as adult booking. The county describes Juvenile Hall as a special-purpose 96-hour detention setting, so the key public question is whether the youth is being held briefly pending release, a court action, or transfer. The older Grand Jury report said youth could be held for a maximum of 96 hours and that the unit was staffed by at least two people whenever a juvenile was in custody.
Adult jail intake fields such as booking number, charge rows, bond amount, arrest agency, and public release date appear in the Mariposa Daily Booking Report. Those fields should not be promised for juveniles. A youth matter may involve probation screening, parental or guardian contact, counsel, juvenile court orders, and privacy restrictions that do not produce an open public profile.
- Juvenile Hall
- A short-term detention setting for youth, separate from the adult jail.
- Probation
- The county agency that commonly supervises youth cases and detention decisions.
- Restricted Record
- A record not open in the same way as adult booking information.
- Transfer
- Movement to another placement or agency when local short-term holding is not enough.
Juvenile Hall vs Adult Jail
Mariposa County Juvenile Hall and the Adult Detention Facility share a county custody map, but they answer different questions. The adult jail page helps with recent adult bookings, bail, VINE, public records, and adult visiting. Juvenile Hall questions should stay with probation, juvenile court, counsel, and direct family or guardian channels. This distinction protects accuracy and avoids sending families to an adult roster that cannot answer youth detention questions.
| Topic | Juvenile Hall | Adult Detention Facility |
|---|---|---|
| Population | Youth under juvenile jurisdiction | Adults arrested or held locally |
| Public roster | No public youth roster located | 24-hour Daily Booking Report |
| Primary agency | Probation Department | Sheriff's Office |
| Record access | Restricted and case-specific | CPRA and jail public information where allowed |
| Visiting | Confirm directly | Published adult block schedule |
Mariposa Juvenile Court Records
Juvenile court records should not be equated with adult criminal case records after a jail arrest. The adult Tyler Smart Search and Criminal Division guidance are useful for adult criminal cases, but juvenile matters have privacy limits and different routing. When a youth is detained, the family, guardian, or attorney may need to speak with probation, counsel, or the court rather than search public web pages.
If the question turns out to involve an adult defendant, then the Mariposa Superior Court portal and Adult Detention Facility channels may apply. If the person is under 18 or the matter began as a juvenile case, use the restricted juvenile path. The difference is especially important for booking photos because no official adult Mariposa mugshot roster was located, and juvenile mugshot publication would be even more restricted.
Note: Confirm juvenile custody details through probation or counsel because adult booking tools do not provide youth detention records.