This is a private reference site, not a government office. It cannot confirm custody, release a person, post bond, schedule a visit, or obtain official booking records for you. Use the official offices below for those actions.
Official Record Contacts
Somerset County custody questions start with the likely location. A new arrest may still involve Somerset County Jail, while longer adult housing usually points to Morris County Correctional Facility.
Somerset County Sheriff's Office
20 Grove Street, P.O. Box 3000
Somerville, NJ 08876
908-231-7140
Fax: 908-253-8949
Somerset County Jail
40 Grove Street
Somerville, NJ 08876
908-231-7150
Fax: 908-231-0095
Somerset County OPRA Custodian
Kelly Mager, County Administration Building
20 Grove Street, P.O. Box 3000
Somerville, NJ 08876-1262
908-231-7030
Fax: 908-231-8754
Email: OPRA@co.somerset.nj.us
Office drop-off hours listed by the county: Monday-Friday, 8:30 a.m. to 4:30 p.m.
- For someone in county custody, start with jail inmate records and the Somerset or Morris records phone line.
- For booking photos, use jail roster mugshots and a specific OPRA request when needed.
- For charges filed after an arrest, use court records after a jail arrest and NJ Courts search.
- For a specific detention site, use the facility pages in the footer.
- For a sentenced state prisoner, use the New Jersey Department of Corrections locator.
- For federal or immigration custody, use the BOP or ICE locator.