Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. Every office link was opened and checked against the office's own site between September 23, 2026 and October 4, 2026.
Hackettstown, New Jersey, in Warren County, has about 10,000 residents (2024 Census Bureau estimate). The title to a parcel in Hackettstown is in the deed records of the County Clerk and its taxable value is set by the town assessor; what is built on it is a matter for the city. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, city permits and records, evictions and court cases, records requests and common questions.
Related guides: Hackettstown public records, Warren County property records, Hackettstown arrest records, Hackettstown warrants, Hackettstown inmate search, Hackettstown criminal records, New Jersey arrest records and New Jersey inmate search.
Deeds, Mortgages and Liens in Hackettstown
Deeds, mortgages, liens and easements that affect title to land in Hackettstown are recorded by the County Clerk, which indexes them by name and sells copies.
SearchSystems opened and checked the County Clerk's page at warrencountynj.gov/government/warren-county-clerk-s-office/public-l... (page title: Public Land Records | Warren County, NJ), phone 908-475-6211, 413 Second Street Belvidere, NJ 07823, Monday - Friday 8:00 a.m. to 4:30 p.m., which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Hackettstown
The value each parcel in Hackettstown is taxed on is set locally, by the tax assessor of each municipality, not by the county. New Jersey property is assessed by each municipality; the county tax board hears appeals and equalizes the values.
The county property tax office's page SearchSystems verified is at warrencountynj.gov/government/warren-county-clerk-s-office/public-l... (page title: Public Land Records | Warren County, NJ), phone 908-475-6211, 413 Second Street Belvidere, NJ 07823, Monday - Friday 8:00 a.m. to 4:30 p.m., which answered when SearchSystems opened it on September 23, 2026.
Permits and City Records in Hackettstown
Building permits, zoning and code cases are the city's own. For Hackettstown, SearchSystems opened and checked the city hall page at hackettstownpd.net/358/Mayor-Town-Council (page title: Mayor & Town Council | Hackettstown, NJ), 215 W Stiger St Hackettstown, NJ 07840, which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Hackettstown
Court cases about land from Hackettstown, evictions among them, are filed in the Superior Court of New Jersey, Warren County.
The court records page SearchSystems verified for the county is at warrencountynj.gov/government/warren-county-clerk-s-office, phone 908-475-6211.
Asking a County Office for a Record
Under the Open Public Records Act a county office must answer a request within 7 business days, and it may charge copying at 5 cents a page for letter size.
Frequently Asked Questions
Who records deeds in Hackettstown?
The County Clerk, at warrencountynj.gov, phone 908-475-6211. Deeds, mortgages and liens on land in Hackettstown are filed there.
Who sets the assessed value of a property in Hackettstown?
The tax assessor of each municipality.
Where are evictions from Hackettstown filed?
In the Superior Court of New Jersey, Warren County. The file is public unless the court seals it.
How is property assessed in New Jersey?
New Jersey property is assessed by each municipality; the county tax board hears appeals and equalizes the values.
Is this the official Hackettstown website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.