Home / New Jersey / Warren County / Greenwich Township (Warren County)
2025 general tax rate · Warren County, NJ
Greenwich Township (Warren County) property tax rate
Greenwich Township (Warren County)'s 2025 general tax rate is $4.052 per $100 of assessed value. A property assessed at $300,000 owes $12,156.00 for the year. That ranks 103rd highest of New Jersey's 564 municipalities, in the highest quarter, $1.090 per $100 above the $2.960 per $100 state median.
- 1General tax rate $4.052 per $100
- 2Bill on $300,000 assessed $12,156.00
Your Greenwich Township (Warren County) tax bill
The bill before exemptions and credits. Compare every New Jersey rate.
General rate and effective rate in Greenwich Township (Warren County)
New Jersey publishes two rates for every municipality. The general tax rate, $4.052 per $100 in Greenwich Township (Warren County), is the one applied to the assessed value on the bill: $300,000 assessed owes $12,156.00. The effective tax rate, $2.546 per $100, is "the general property tax adjusted by the municipality's equalization ratio", the rate on market value. Dividing one by the other puts Greenwich Township (Warren County)'s assessments at about 62.83% of market value, well below market value, the sign of a town that has not revalued recently; the state median is 70.02%.
The effective rate is the fairer comparison between towns. On it Greenwich Township (Warren County) ranks 112th of 564, against 103rd on the general rate, and sits $0.410 above the $2.140 median effective rate. At 62.83%, a $300,000 assessment corresponds to roughly $477,479 of market value.
Greenwich Township (Warren County)'s rate in 2024 and 2025
The general tax rate rose $0.070 per $100 (1.71%) from $3.984 per $100 in 2024, and the same $300,000 assessment owes $204.00 more than at last year's rate. In 2024 Greenwich Township (Warren County) ranked 102nd. The effective rate went from $2.585 to $2.546 per $100 (down 1.51%), and the implied ratio from 64.88% to 62.83%: market values rose faster than assessments.
Tax on common assessed values in Greenwich Township (Warren County)
| Assessed value | 2025 bill | At the 2024 rate | Versus NJ median rate |
|---|---|---|---|
| $200,000 | $8,104.00 | $7,968.00 | +$2,184.00 |
| $300,000 | $12,156.00 | $11,952.00 | +$3,276.00 |
| $400,000 | $16,208.00 | $15,936.00 | +$4,368.00 |
| $500,000 | $20,260.00 | $19,920.00 | +$5,460.00 |
| $750,000 | $30,390.00 | $29,880.00 | +$8,190.00 |
Each bill is the assessed value divided by 100 and multiplied by $4.052, before exemptions, credits or special charges. These are assessed values, not sale prices: at 62.83% the $300,000 row is a property worth about $477,479. The last column is the difference from the same assessment at the $2.960 per $100 state median.
How Greenwich Township (Warren County) compares in Warren County and New Jersey
Among the 22 municipalities in Warren County, Greenwich Township (Warren County) ranks 7th highest; the county median is $3.520 per $100, so Greenwich Township (Warren County) sits $0.530 per $100 above it. The next higher rate in the county is Washington Township (Warren County) at $4.110, and the next lower is Hardwick Township at $3.825. Statewide, 81% of municipalities have a lower general tax rate than Greenwich Township (Warren County).
Outside Warren County, the closest rates are Ewing Township ($4.051, Mercer), Millville ($4.056, Cumberland), City of Orange Township ($4.030, Essex), Milford ($4.027, Hunterdon). Because towns assess at different shares of market value, the effective rate is the better guide to what a house of a given price pays.
Appealing a Greenwich Township (Warren County) assessment
New Jersey appeals go to the Warren County Board of Taxation. The petition is due April 1, or May 1 in a year when Greenwich Township (Warren County) implemented a municipal-wide revaluation or reassessment (NJ Division of Taxation). Property assessed above $1,000,000 may go directly to the Tax Court, and a County Board judgment can be appealed to the Tax Court within 45 days. The Board tests the assessment against the common level range: the average ratio plus or minus 15%. Using the 62.83% ratio implied by the state's two rates, that range runs from about 53.41% to 72.25% of market value; the Director's official average ratio for Greenwich Township (Warren County), which the County Board applies, can differ slightly.
The New Jersey appeal page sets out each step with its source and the ratio arithmetic. This is a summary of the published procedure, not legal advice.
Greenwich Township (Warren County) property tax questions
What is the property tax rate in Greenwich Township (Warren County), NJ?
Greenwich Township (Warren County)'s 2025 general tax rate is $4.052 per $100 of assessed value; its effective rate, on market value, is $2.546 per $100. Source: New Jersey Division of Taxation.
How much is the property tax on a $300,000 assessment in Greenwich Township (Warren County)?
$300,000 ÷ 100 × $4.052 = $12,156.00 a year, before exemptions and credits. At the 2024 rate the same assessment owed $11,952.00.
Is Greenwich Township (Warren County)'s tax rate high for New Jersey?
It ranks 103rd highest of 564, in the highest quarter of New Jersey municipalities; the median is $2.960 per $100. On the effective rate, which allows for different assessment levels, it ranks 112th.
How do I appeal a Greenwich Township (Warren County) property assessment?
Petition to the County Board of Taxation: by April 1 (May 1 after a municipal-wide revaluation) (NJ Division of Taxation; Guide to Tax Appeal Hearings). Then: county board hearing and judgment (Set by the County Board); appeal to the tax court (Within 45 days of the County Board's judgment).
Source: New Jersey Division of Taxation, 2025 General Tax Rates (general and effective tax rates by county and municipality); prior year from the 2024 General Tax Rates. Appeal steps: NJ Division of Taxation, Assessment and Appeals (updated August 15, 2025); NJ Division of Taxation, A Guide to Tax Appeal Hearings (revised 2022). Last checked October 21, 2026. This page explains published figures; it is not tax or legal advice.