Last reviewed . Law current as of October 2026.
Warren County is on the Delaware River border, and its courthouse and Prosecutor's Office share 413 Second Street in Belvidere. The 12-hour IDRC is at 1 Shotwell Drive, also in Belvidere. Its towns include Phillipsburg, Hackettstown, and Washington, and the drive to our Newark office follows I-78 or I-80.
Key facts
- Courthouse
- Warren County Courthouse, 413 Second Street, Belvidere, NJ 07823 (Somerset/Hunterdon/Warren Vicinage, shared with Somerset and Hunterdon)
- Prosecutor
- 413 Second Street, Belvidere, NJ 07823
- 12-hour IDRC
- 1 Shotwell Drive, Belvidere, NJ 07823, 908-475-6332
- 48-hour IDRC
- New Hope (Marlboro)
- DV program
- Domestic Abuse & Sexual Assault Crisis Center (DASACC); AIP: Domestic Abuse & Sexual Assault Crisis Center (DASACC)
- Recovery Court
- 908-750-8100
- Municipal courts
- Judiciary directory
DWI
Town municipal court; IDRC at 1 Shotwell Drive, Belvidere, NJ 07823. Read our New Jersey DWI guide.
Domestic violence and restraining orders
Family Part, Somerset/Hunterdon/Warren Vicinage; Domestic Abuse & Sexual Assault Crisis Center (DASACC). Read our New Jersey domestic violence guide and our restraining order guide.
Drug charges
Warren County Courthouse, 413 Second Street, Belvidere; Recovery Court 908-750-8100. Read our New Jersey drug charges guide.
Indictable crimes
Warren County Prosecutor, 413 Second Street, Belvidere, NJ 07823. Read our New Jersey indictable crimes guide.
Towns
Belvidere, Phillipsburg, Hackettstown, Washington.
This page provides general information about New Jersey law. It is not legal advice, and reading it or contacting us does not create an attorney-client relationship. Every case is different and no outcome is guaranteed.