Mercer County municipal report
Princeton property tax intelligence
A practical view of the public record: municipal tax context, assessment signals, relief paths, and research tools for homeowners and professionals.
Municipality code 1114 · refreshed 2026-08-06
At a glance
What the municipal record shows
Princeton is in Mercer County. The latest local general tax rate in this dataset is 2.733%. The municipal tax base reported for the latest budget series is $7,185,501,008.
Plain-English read
The reported assessment consistency score is 64.9 out of 100. The reported coefficient is 10.49; this is a municipal consistency measure, not an opinion of a specific property's value.
Rate context
Property-tax rate history
The local general rate has increased 2.11% per year from 2016 to 2025. Rate history provides municipal context; it does not predict an individual home's future tax bill.
Source: NJ Division of Taxation municipal tax-rate history, local copy through 2025.
Assessment & public-finance signals
Two things worth separating
Assessment consistency
The reported assessment consistency score is 64.9 out of 100. The reported coefficient is 10.49; this is a municipal consistency measure, not an opinion of a specific property's value.
Open the Watchdog assessment tool →Exempt property & PILOT context
28.4% of assessed value is listed as exempt in the local release, with 1 PILOT agreements reported.
Review municipal context →Property Watchdog
Turn town context into property-level research
Watchdog brings the municipal record together with saved properties, verified-sale research, comparison workflows, appeal screening, and professional exports.
Answers
Princeton property-tax questions
How are property taxes calculated in Princeton?
A New Jersey property-tax bill starts with a local assessment and the municipality's combined tax rate. This page shows municipal context for Princeton; a parcel's bill also depends on its assessment and applicable programs.
What relief programs can Princeton residents explore?
Residents may be eligible for state programs such as ANCHOR, Senior Freeze, or property-tax deductions. Eligibility, income rules, and filing dates are set by the State, so use the estimator and confirm current rules before filing.
Can a Princeton assessment be appealed?
An assessment appeal is fact-specific and generally relies on timely filing and credible comparable-sales evidence. The appeal guide and Watchdog research tools can help organize the municipal record; official boards decide outcomes.
Where does this Princeton data come from?
The figures are compiled from local copies of New Jersey public municipal datasets, including levy-rate history and assessment-consistency releases. Source links and the reporting year are shown on this page.