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 September 25, 2026.
Princeton, New Jersey, in Mercer County, has about 31,000 residents (2024 Census Bureau estimate). The title to a parcel in Princeton 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, directory links and common questions.
Related guides: Princeton public records, Mercer County property records, Princeton arrest records, Princeton warrants, Princeton criminal records, Princeton court records, New Jersey arrest records and New Jersey inmate search.
Deeds, Mortgages and Liens in Princeton
Who owns a parcel in Princeton and what it sold for are in the deed records of the County Clerk, with every lien or mortgage against the land.
SearchSystems opened and checked the County Clerk's page at mercercounty.org/government/county-clerk/office-services/land-records (page title: Land Records | Mercer County, NJ), phone 609-278-2711, which answered when SearchSystems opened it on September 23, 2026.
Assessed Values and the Tax Roll in Princeton
The value each parcel in Princeton 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 mercercounty.org/government/board-of-taxation/driving-directions-282 (page title: Tax Assessors | Mercer County, NJ), phone 609-443-4000, 88 East Broad Street Hopewell, NJ 08525, which answered when SearchSystems opened it on September 23, 2026.
Permits and City Records in Princeton
Building permits, zoning and code cases are the city's own. For Princeton, SearchSystems opened and checked the city hall page at princetonnj.gov (page title: Princeton, NJ), which answered when SearchSystems opened it on September 25, 2026.
The city clerk's page SearchSystems verified is at princetonnj.gov/190/Municipal-Clerk (page title: Department of the Municipal Clerk | Princeton, NJ), phone 609-924-5704, 400 Witherspoon Street Princeton, NJ 08540, Monday through Friday 9 a.m. to 5 p.m., which answered when SearchSystems opened it on September 25, 2026.
Evictions and Court Cases About Land in Princeton
An eviction, a foreclosure, a lien dispute or a quiet title suit is a court case in the Superior Court of New Jersey, Mercer County, and the file is public unless sealed.
The court records page SearchSystems verified for the county is at njcourts.gov/courts/vicinages/mercer/offices, phone 609-571-4200.
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.
More Official Property and Land Records Pages for Mercer County
The SearchSystems directory, online since 1997, lists the official pages for Mercer County and New Jersey. These property pages from its Mercer County listing were opened again on October 2, 2026 and each one still answers:
- Office of the Tax Assessor (princetonnj.gov)
- Property Alert Service (records.mercercounty.org)
- Property Information Portal (mercercounty.org)
- Search Assessment and Tax Records (mercercounty.org)
Frequently Asked Questions
Who records deeds in Princeton?
The County Clerk, at mercercounty.org, phone 609-278-2711. Deeds, mortgages and liens on land in Princeton are filed there.
Who sets the assessed value of a property in Princeton?
The tax assessor of each municipality.
Where are evictions from Princeton filed?
In the Superior Court of New Jersey, Mercer 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 Princeton 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.