Quick answer. Allendale Borough, Bergen County, had a 2025 general tax rate of 2.030 per $100 of assessed value, and the average residential bill was $17,912 on an average assessment of $882,362. A bill is your assessed value × 2.030 ÷ 100. Source: 2025 General Tax Rates and 2025 Average Residential Statistics, NJ Division of Taxation.
General rate (2025)
2.030used to compute a bill
Effective rate (2025)
1.971for comparing towns only
Average residential bill
$17,91216th of 70 in the county
Average ratio
85.11%assessed to true value
Estimate a Allendale Borough property tax bill
Enter a value to see the 2025 tax at Allendale Borough's general rate.
For the current year's rate and your exact bill, ask the Allendale Borough tax collector. For a different town, use the statewide calculator.
What homes at different prices pay in Allendale Borough
Assessments in Allendale Borough averaged 85.11% of true value, so its general rate (2.030) and effective rate (1.971) are close. The table turns each market value into an assessed value with that 85.11% average ratio (Amended Table of Equalized Valuations 2025), then applies the general rate.
| Market value | Est. assessed value | Est. yearly tax |
|---|---|---|
| $300,000 | $255,330 | $5,183 |
| $450,000 | $382,995 | $7,775 |
| $600,000 | $510,660 | $10,366 |
| $800,000 | $680,880 | $13,822 |
| $1,000,000 | $851,100 | $17,277 |
Individual assessments vary around the town average, so a home's real assessed value can be higher or lower than the estimate here. The figure on your own bill or assessment notice is the one that counts.
Allendale Borough by the numbers
- Every $100,000 of assessed value in Allendale Borough carried $2,030 of 2025 tax, or $169 a month.
- The average Allendale Borough home was assessed at $882,362 and billed $17,912, about $1,493 a month or $4,478 a quarter.
- At the 85.11% average ratio, $882,362 of assessed value stands for roughly $1,036,731 of market value.
- For tax year 2027, a Allendale Borough home truly worth $450,000 falls inside the certified range when it is assessed between $344,115 and $465,615.
How Allendale Borough compares
Allendale Borough's 2025 effective tax rate of 1.971 is the 45th highest of 70 Bergen County municipalities and the 361st highest of 564 in New Jersey. It is below the county median of 2.060 and below the statewide median of 2.140. Its average residential bill of $17,912 ranks 16th of 70 in the county and 38th of 563 statewide, $4,231 more than the median Bergen County town's $13,681.
The towns closest to it in Bergen County by effective rate:
| Town | General rate | Effective rate | Avg residential bill |
|---|---|---|---|
| Rochelle Park Township | 2.934 | 2.004 | $9,855 |
| Montvale Borough | 2.552 | 1.989 | $14,026 |
| Allendale Borough | 2.030 | 1.971 | $17,912 |
| Garfield City | 3.479 | 1.956 | $10,006 |
| Ridgewood Village | 2.890 | 1.944 | $20,596 |
See all 70 Bergen County towns in one sortable table.
If a Allendale Borough assessment looks too high
Assessment appeals go to the Bergen County Board of Taxation: 2 Bergen County Plaza, 1st Floor, Hackensack, NJ 07601-7076, phone (201) 336-6300 (State contact list, September 2026). The Division's appeals page gives the filing deadline as April 1, or May 1 when the town has had a revaluation or reassessment.
An owner must show the assessment doesn't fairly reflect true market value or falls outside the common level range. For tax year 2027 the range certified for Allendale Borough is 76.47% to 103.47%, around an average ratio of 89.97% (2026 Average Ratios and Common Level Ranges). You appeal the assessment, not the tax rate. This page describes the State's published process and is not legal advice.
Related: NJ senior tax relief checker · NJ property tax relief for seniors · NJ SALT deduction calculator
Allendale Borough figures above come from the State's published tables (rates, average residential statistics, equalized valuations, 2027 ranges, definitions), opened and checked November 2026. Not tax or legal advice, and MCC Solutions is not affiliated with the State, the county board or the borough. Exemptions, deductions, appeals, added assessments and the newer year's rate all change a real bill.
Common questions
What is the property tax rate in Allendale Borough, Bergen County?
The 2025 general tax rate was 2.030 per $100 of assessed value, from the Division of Taxation's 2025 General Tax Rates table. That is the rate applied to an assessed value. The effective rate, the State's figure for comparing towns, was 1.971.
What is the average property tax bill in Allendale Borough?
$17,912 in 2025 on an average residential assessment of $882,362, according to the Division's 2025 Average Residential Statistics. It ranked 16th of 70 in Bergen County.
How do I work out my own Allendale Borough property tax?
Multiply your assessed value by 2.030 and divide by 100. If you only know market value, multiply it by 85.11% first, the town's average ratio of assessed to true value; a $450,000 home works out to about $7,775 a year that way. Your own assessment is on your bill and may sit above or below the average.
Is this the 2026 rate for Allendale Borough?
No. It is the 2025 rate, the latest year in the Division's general tax rate table when this page was checked (November 2026). The Allendale Borough tax collector can give you the current year's rate.
Is Allendale Borough a high-tax town for Bergen County?
By effective rate, the State's figure for comparing towns, the borough is 45th highest of 70 in Bergen County at 1.971; the county's highest is Ridgefield Park Village at 2.598 and its lowest is Alpine Borough at 0.794. By average residential bill it is 16th of 70, at $17,912.