Property Taxes in Trenton
Trenton property taxes run through a real, disclosed structure that runs above even New Jersey's own already nation's-highest statewide average: a citywide effective rate of 3.47% for the 2025 tax year (above the Mercer County median of 3.30% and New Jersey's own 2.42%-2.47% statewide average), with a real, disclosed ZIP-code-level spread from 3.30% to 5.57% within the city itself.
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Learn moreTrenton's Real, Disclosed Property Tax Rate, Stated Plainly
Trenton's own cited effective property tax rate ran 3.47% for the 2025 tax year (the most recent available for 2026 planning) -- a total tax rate of $5.89 per $100 of assessed value, with assessments running at roughly 60.13% of true market value. This runs above the Mercer County median (3.30%), above New Jersey's own already nation's-highest statewide average (2.42%-2.47%), and far above the 1.02% national median.
A Real, Disclosed ZIP-Code-Level Spread Within Trenton Itself
Trenton's citywide figure masks real, disclosed variation by ZIP code: as low as 3.30% in 08619, as high as 5.57% in 08608, reflecting differences in overlapping school-district and local-assessment levies. Confirm the actual current rate for a specific address directly rather than relying on the citywide average alone.
Why New Jersey Property Taxes Run High Statewide -- Not Just in Trenton
Trenton's elevated property tax burden sits within a real, well-documented statewide pattern: New Jersey carries the highest average effective property tax rate of any US state, roughly 2.42%-2.47% (Tax Foundation/state Division of Taxation, 2026). Trenton's own city rate runs above even this already-elevated statewide figure -- a real, disclosed double layer of cost, not a Trenton-specific anomaly against an otherwise-low-tax state.
Confirm the Actual Bill for a Specific Property
Given Trenton's real ZIP-code-level rate variation plus overlapping city, school-district, and Mercer County levies, confirm the actual current property tax bill for a specific Trenton property directly with the Trenton Division of Assessment -- generic statewide or national property tax calculators will not capture ZIP-level nuance.
Key takeaways
- Trenton's own effective property tax rate ran 3.47% for the 2025 tax year -- above the Mercer County median (3.30%) and above New Jersey's own already nation's-highest statewide average (2.42%-2.47%).
- A real, disclosed ZIP-code-level spread exists within Trenton itself (3.30% in 08619 to 5.57% in 08608), reflecting overlapping school-district and local-assessment levies.
- New Jersey carries the highest average effective property tax rate of any US state -- Trenton's own rate runs above even that already-elevated statewide figure.
- Confirm the actual current property tax bill for a specific Trenton property directly with the Trenton Division of Assessment.
- Trenton's assessments run at roughly 60.13% of true market value, per a total tax rate of $5.89 per $100 of assessed value.
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