Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 23, 2026 and October 4, 2026.
Warren County, New Jersey, has about 112,000 residents (2024 Census Bureau estimate). A police report belongs to the agency whose officer wrote it, so which office holds a report from Warren County depends on where the incident happened: the Warren County Sheriff's Office for the unincorporated county, the agency that reports for the city inside a city. This guide names each agency, where its records page is and what the Open Public Records Act requires of it.
This guide covers which agency, the sheriff's reports, the cities' reports, how many reports, what the law requires and common questions.
Related guides: Warren County public records, Warren County arrest records, Warren County warrants, Warren County inmate search, Warren County criminal records, New Jersey arrest records and New Jersey inmate search.
Which Agency Holds a Report from Warren County
A crime, incident or collision report belongs to the agency whose officer wrote it, and that agency releases it, not the court, the jail or the prosecutor.
In Warren County that is the Warren County Sheriff's Office for the unincorporated county and for any city that contracts with it for police service, and the agency that reports for a city where the city has one of its own.
The FBI's list also places the Warren County State Police in Warren County; a report taken on a state highway by it comes from that agency's own records office.
The FBI's list also carries Prosecutor in Warren County (other agency), with a records office of its own.
Reports from the Warren County Sheriff's Office
The Warren County Sheriff's Office is the county agency; it had 0 violent and 0 property crimes reported for 2025 and reported 202 arrests for 2025.
Its reports come from its records unit. The office's page SearchSystems verified is its jail page, at warrencountynj.gov/government/warren-county-sheriff-s-office (page title: Warren County Sheriff's Office | Warren County, NJ), which answered when SearchSystems opened it on October 4, 2026.
Reports from the City Agencies in Warren County
The six cities the FBI lists in Warren County with a reporting agency of their own, with the police records page SearchSystems verified where the city has a guide:
- Phillipsburg: 45 violent and 221 property crimes reported for 2025; 697 arrests reported for 2025. The Phillipsburg police department's page is at phillipsburgpolice.org/faqs, phone 908-835-2002 (verified September 25, 2026).
- Hackettstown: 4 violent and 43 property crimes reported for 2025; 103 arrests reported for 2025.
- Washington: 4 violent and 46 property crimes reported for 2025; 79 arrests reported for 2025.
- Washington (township): 0 violent and 57 property crimes reported for 2025; 59 arrests reported for 2025.
- Belvidere: 2 violent and 37 property crimes reported for 2025; 124 arrests reported for 2025.
- Alpha: 0 violent and 15 property crimes reported for 2025; 24 arrests reported for 2025.
A city on that list is reported separately whether the officers are the city's own or the sheriff's under contract; the FBI's list does not say which.
How Many Reports: Warren County in 2025
The 14 agencies in Warren County with all twelve months of 2025 on file reported 68 violent and 768 property crimes to the FBI that year, each one a report taken by the agency that holds it.
Together, the 14 agencies in Warren County with all twelve months of 2025 on file reported 1,781 arrests to the FBI that year, and each arrest is a report of its own.
What the Open Public Records Act Requires
Under the Open Public Records Act the agency must answer a request within 7 business days, and it may charge copying at 5 cents a page for letter size. The request goes to the agency that holds the report, in writing, and does not have to say why the report is wanted.
A defendant who has been charged gets the report through the case: the County Prosecutor handles discovery for pending cases.
Frequently Asked Questions
How do I get a police report in Warren County?
From the agency whose officer took it: the Warren County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the Open Public Records Act the answer is due within 7 business days.
How long does an agency in Warren County have to answer?
Under the Open Public Records Act, within 7 business days. It may charge copying at 5 cents a page for letter size.
Who has a crash report from a state highway in Warren County?
The state agency whose officer took it; the FBI lists the Warren County State Police in Warren County.
How do I get a report from the Warren County Sheriff's Office?
From its records unit. Under the Open Public Records Act the answer is due within 7 business days.
Is this the official Warren County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.