08540 Property Tax Rate

Property owners in ZIP code 08540 (Princeton, New Jersey) pay a median of $10,001/year in property taxes on homes valued at $723,400. This translates to an effective tax rate of 1.38%, which is 32% below the New Jersey state average of 2.04%.

The monthly property tax burden for a median-valued home in 08540 is approximately $833, which factors into escrow payments on mortgages. This ZIP code is located within Mercer County. This is $1,404 more than the New Jersey average of $8,597/year.

Compared to similar ZIP codes in New Jersey, 08540 has higher property taxes. ZIP codes with similar effective rates include 07020 (1.38%) and 07028 (1.38%).

In Princeton, property taxes represent approximately 5.9% of the median household income of $169,898, providing context for the relative tax burden on homeowners in this area.

New Jersey has no statewide property tax cap; Mercer County assessments are locally determined and reassess at fair market value at sale with no guaranteed annual increase cap. The Homestead Benefit Program offers tax relief for primary residences with household income ≤$150,000 (or ≤$75,000 for seniors and disabled applicants) — file your application with the Mercer County Tax Board by June 1 annually. Contact the Mercer County Assessor within 30 days of closing to file your principal residence declaration and establish your baseline assessed value.