Union County, NJ Property Taxes (2026)

Union County owners pay a median of $10,001 a year on a median home value of $488,800, an effective rate of 2.05%. That's the 12th-highest rate of 21 New Jersey counties with Census data, below the New Jersey county median of 2.20%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

Is your Union appraisal too high?

We compare your value to recent Union County sales and show you in about a minute whether a appeal is worth it.

  • Free check
  • No credit card

Effective tax rate

2.05%

12th highest of 21 in NJ

Median annual bill

$10,001

~$833/month

Median home value

$488,800

New Jersey county median

2.20%

Effective rate

What a protest could save you in Union County

Enter the market value from your appraisal notice. We apply Union County's 2.05% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$10,020
Savings at 10–15% off
$1,002–$1,503
Check my actual assessment →

Union County vs. New Jersey vs. U.S. property tax rates

Union County2.05%
New Jersey county median2.20%
U.S. county median0.84%

Key stat: Union County's effective property tax rate is 2.05%, vs. 2.20% for the median New Jersey county and 0.84% for the median U.S. county. It ranks 12th of 21 in New Jersey. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Union County

  1. 1

    Review your assessment notice

    Check the assessed value from the Union County Tax Board. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Union County deadline is April 1 or May 1. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the County Tax Board.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $10,001 bill, 10–15% off is $1000–$1500 a year.

Union County property tax appeal guide →

Want help with it?

TaxDrop builds your case from comparable sales data. See pricing →

Check my assessment

Property tax exemptions in New Jersey

New Jersey homeowners may qualify for exemptions that reduce taxable value. Check with the Union County Tax Board for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Union County, New Jersey?
The median effective property tax rate in Union County is 2.05%: a median annual bill of $10,001 on a median home value of $488,800. That's the 12th-highest rate of 21 New Jersey counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Union County?
The median Union County property tax bill is $10,001 a year, about $833 a month, compared with a New Jersey county median of $8,804.
What is the deadline to appeal property taxes in Union County?
The deadline to appeal in Union County is April 1 or May 1. Missing it means waiting until the next assessment cycle.
Is Union County a high property tax area?
Union County's 2.05% effective rate is below the New Jersey county median of 2.20% and above the U.S. county median of 0.84%. That's the 12th-highest rate of 21 New Jersey counties with Census data.
Can TaxDrop help lower my Union County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment. See www.taxdrop.com/property-tax-appeal-pricing for current pricing.

Property taxes in nearby counties

Essex County

Rate: 2.02%

Median bill: $10,001

Hudson County

Rate: 1.85%

Median bill: $9,413

Middlesex County

Rate: 2.20%

Median bill: $9,684

Somerset County

Rate: 1.91%

Median bill: $10,001

Morris County

Rate: 1.80%

Median bill: $10,001

Bergen County

Rate: 1.69%

Median bill: $10,001

Passaic County

Rate: 2.28%

Median bill: $10,001

Monmouth County

Rate: 1.77%

Median bill: $10,001

← All 21 New Jersey counties

Stop overpaying on property taxes

See in about a minute whether your Union value looks too high.

Check my assessment — free