Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest 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 on September 23, 2026.
Niagara County, New York, has about 210,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Niagara County Supreme and County Courts and the city, town and village courts, and the file of each case, kept by the County Clerk, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, cities and common questions.
Related guides: Niagara County public records, Niagara County arrest records, Niagara County warrants, Niagara County inmate search, Niagara County criminal records, New York arrest records and New York inmate search.
The Courts That Hear Cases from Niagara County
In Niagara County, the Niagara County Supreme and County Courts hear divorces and major civil cases in the Supreme Court, felonies in the County Court.
The city, town and village courts take misdemeanors, traffic cases and small claims.
Divorces go to the Supreme Court, and the file stays with the County Clerk.
The County Clerk keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Freedom of Information Law.
Looking Up a Case from Niagara County
For Niagara County, SearchSystems opened and checked the court records page for the county at niagaracounty.gov/departments/a-f/county_clerk/index.php (page title: County Clerk), phone 716-439-7022, 175 Hawley Street, 1st Floor, Lockport, NY 14095-0461, Monday - Friday 9:00 AM - 5:00 PM, which answered when SearchSystems opened it on September 23, 2026.
Statewide, eCourts is the Unified Court System's free online case search (WebCivil, WebCrims and WebFamily).
The New York court page SearchSystems verified is at iapps.courts.state.ny.us/nyscef/CaseSearch.
What Reaches the Court from Niagara County
Together, the eight agencies in Niagara County with all twelve months of 2025 on file reported 2,830 arrests to the FBI that year; the District Attorney decides which of those arrests become cases in the Niagara County Supreme and County Courts or the city, town and village courts.
The District Attorney's page SearchSystems verified is at niagaracounty.gov/departments/a-f/district_attorney/index.php (page title: Niagara County, NY), phone (716) 439-7085, 175 Hawley St., Lockport, NY 14094-2740, which answered when SearchSystems opened it on September 23, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the New York State Department of Motor Vehicles, and an eviction or a lien on land.
The other Niagara County guides take the kinds of file one at a time: Niagara County criminal records, Niagara County divorce records, Niagara County traffic tickets, Niagara County DUI and Niagara County property records.
Cities in Niagara County
Wherever in the county a case arises, it is filed in the Niagara County Supreme and County Courts or the city, town and village courts.
SearchSystems has a guide to the offices of these cities in Niagara County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- Niagara Falls (47,512)
- North Tonawanda (29,981)
- Lockport (20,394)
Frequently Asked Questions
How do I look up a court case in Niagara County?
The court records page SearchSystems verified for the county is at niagaracounty.gov, phone 716-439-7022. Statewide, eCourts is the Unified Court System's free online case search (WebCivil, WebCrims and WebFamily).
Which court hears felonies in Niagara County?
The Niagara County Supreme and County Courts, which hear divorces and major civil cases in the Supreme Court, felonies in the County Court. The city, town and village courts take misdemeanors, traffic cases and small claims.
Who keeps the court records in Niagara County?
The County Clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in New York?
Yes: eCourts, the Unified Court System's free online case search (WebCivil, WebCrims and WebFamily).
Is this the official Niagara 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.