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 on September 23, 2026.
Middlesex County, New Jersey, has about 890,000 residents (2024 Census Bureau estimate). The title to a parcel in Middlesex County 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 or the county. This guide says who keeps each record and where the page for each office is.
This guide covers deeds, assessed values, directory links, city permits, evictions and court cases, records requests and common questions.
Related guides: Middlesex County public records, Middlesex County arrest records, Middlesex County warrants, Middlesex County inmate search, Middlesex County police reports, New Jersey arrest records and New Jersey inmate search.
Deeds, Mortgages and Liens in Middlesex County
Deeds, mortgages, liens and easements that affect title to land in Middlesex County are recorded by the County Clerk, which indexes them by name and sells copies.
SearchSystems opened and checked the County Clerk's page at middlesexcountynj.gov/government/departments/department-of-communit... (page title: Land Records | Middlesex County NJ), phone 732-745-3002, 75 Bayard Street New Brunswick, NJ 08901, Monday - Friday 8:30 am - 4:10 pm, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Middlesex County
The value each parcel in Middlesex County 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 middlesexcountynj.gov/government/departments/department-of-finance/... (page title: Office of Tax Board | Middlesex County NJ), phone 732-745-3350, 75 Bayard Street New Brunswick, NJ 08901, Monday - Friday 8:30 am-4:15 pm, which answered when SearchSystems opened it on September 23, 2026.
More Official Property and Land Records Pages for Middlesex County
The SearchSystems directory, online since 1997, lists the official pages for Middlesex County and New Jersey. These recorded document pages from its Middlesex County listing were opened again on October 2, 2026 and each one still answers:
- Maps (middlesexcountynj.gov)
Permits and City Records in the Cities of Middlesex County
Building permits, zoning and code cases inside a city are the city's own records. The cities in Middlesex County with a SearchSystems guide to their offices, with the city page SearchSystems verified:
- Perth Amboy: the city clerk's page SearchSystems verified is at perthamboynj.org/government/departments/city_clerk, phone (732) 826-0290 (verified September 25, 2026).
- Carteret: the city clerk's page SearchSystems verified is at carteret.net/municipalclerk, phone 732-541-3800 (verified September 25, 2026).
- South Plainfield: the city clerk's page SearchSystems verified is at southplainfieldnj.com/spnj/Clerk, phone 908-754-9000 (verified September 26, 2026).
- South Amboy: the city hall page SearchSystems verified is at southamboynj.gov/News/View/4081/city-hall-new-hours-effective-febru... (verified September 25, 2026).
- Dunellen: the city hall page SearchSystems verified is at dunellen-nj.gov (verified September 26, 2026).
Evictions and Court Cases About Land in Middlesex County
Court cases about land from Middlesex County, evictions among them, are filed in the Superior Court of New Jersey, Middlesex County.
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. The county records request page SearchSystems verified is at middlesexcountynj.gov/find-programs-and-resources/file/an-opra-request (page title: Request for Open Public Records Act (OPRA) Documents | Middlesex County NJ).
Frequently Asked Questions
Who records deeds in Middlesex County?
The County Clerk, at middlesexcountynj.gov, phone 732-745-3002. Deeds, mortgages and liens on land in Middlesex County are filed there.
Who sets the assessed value of a property in Middlesex County?
The tax assessor of each municipality.
Where are evictions from Middlesex County filed?
In the Superior Court of New Jersey, Middlesex 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 Middlesex 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.