Monmouth County, New Jersey property tax appeals

Who hears a Monmouth County appeal?

The stages in order. We are not affiliated with any of these offices.

1. Monmouth County Board of Taxation

   Filing: appeal

   Official site

2. Tax Court of New Jersey

   Filing: complaint

   Official site

Where is the Monmouth County office?

We are not affiliated with this office. Hours can change, so call before you visit.

Which Monmouth County filing windows are coming up?

When is the deadline to appeal a property tax assessment in Monmouth County?

The next filing window we list is predicted, not yet announced: Expected to close in January 2027 (predicted, not yet announced) — Monmouth County, Monmouth County Board of Taxation. Monmouth County Board of Taxation: Monmouth County appeals are due January 15, or 45 days after your town finishes mailing assessment postcards, whichever is later. For tax year 2027 that is January 15, 2027, unless the mailing finishes after December 1, 2026.

Deadline ruleMonmouth County Board of Taxation

Monmouth County appeals are due January 15, or 45 days after your town finishes mailing assessment postcards, whichever is later. For tax year 2027 that is January 15, 2027, unless the mailing finishes after December 1, 2026.[1]

Deadline detailMonmouth County Board of Taxation · Tax court

From Monmouth: you have 45 days from the mailing of the board's judgment to appeal to the Tax Court. Properties assessed over $1,000,000 may file directly with the Tax Court by April 1.[2]

Who decides a property tax appeal in Monmouth County?

Monmouth County Board of Taxation: The filing is called a tax appeal, heard at a hearing before the Monmouth County Board of Taxation.

What the appeal is calledMonmouth County Board of Taxation

The filing is called a tax appeal, heard at a hearing before the Monmouth County Board of Taxation.[2]

How do I file a property tax appeal in Monmouth County?

Monmouth County Board of Taxation · Online: Monmouth appeals can be filed online through the county's online tax appeal system. Monmouth County Board of Taxation · Tax Board Portal (TIARA): Monmouth's Tax Board Portal (TIARA) lets owners ask the assessor to review an assessment during the pre-tax year, before an appeal.

How to fileMonmouth County Board of Taxation · Online

Monmouth appeals can be filed online through the county's online tax appeal system.[3]

Informal reviewMonmouth County Board of Taxation · Tax Board Portal (TIARA)

Monmouth's Tax Board Portal (TIARA) lets owners ask the assessor to review an assessment during the pre-tax year, before an appeal.[3]

HearingsMonmouth County Board of Taxation · Lack of prosecution

If you miss your Monmouth hearing without a written postponement, the appeal is dismissed for lack of prosecution.[2]

What evidence can I use in Monmouth County?

Monmouth County Board of Taxation · Comparable count: Monmouth's guide says to submit at least three comparable sales, at least one week before the hearing if not attached to the petition.

Evidence ruleMonmouth County Board of Taxation · Comparable count

Monmouth's guide says to submit at least three comparable sales, at least one week before the hearing if not attached to the petition.[2]

Can my assessment go up if I appeal in Monmouth County?

Monmouth County Board of Taxation: Yes. Monmouth's board says that if the property's ratio falls below the common level, the board must raise the assessment to the common level.

Can the value go up?Monmouth County Board of Taxation

Yes. Monmouth's board says that if the property's ratio falls below the common level, the board must raise the assessment to the common level.[2]

What do homeowners in Monmouth County pay in property tax?

The median owner-occupied home in Monmouth County was worth $606,100, and the median property tax its owners paid was $10,000 or more a year, according to the Census Bureau's American Community Survey.

Median home value

$606,100

Margin of error ±$5,540.

Median property tax paid per year

$10,000 or more

The Census Bureau publishes medians in the top bracket only as a floor.

Median tax as a share of median value

at least 1.65%

The tax median is top-coded, so the true ratio is higher. A ratio of two medians, not a tax rate.

Owner-occupied homes

190,173

Margin of error ±1,568.

These are survey estimates of what owners reported about their own homes. They are not assessed values, not tax rates, and not an opinion of what any home is worth.

They cannot tell you whether your own assessment is fair. That takes a comparison with similar homes, which we offer only in counties we have researched.

From the county's assessment and appeal records

Homes in the county's assessment records

216,632

Median assessed value

$658,800

Middle half of assessed values

$482,600 to $898,300

Source: The county's open assessment data, aggregated by us (tax year 2026 final values). Our calculation from public records; not an opinion of any home's value.

How often is property reassessed in Monmouth County?

Demonstration program: Monmouth County has run the Assessment Demonstration Program (annual reassessment with a January 15 appeal deadline) since tax year 2014.

Reassessment cycleDemonstration program

Monmouth County has run the Assessment Demonstration Program (annual reassessment with a January 15 appeal deadline) since tax year 2014.[3]

What are the average ratios and common level ranges in Monmouth County?

Monmouth County Board of Taxation · Reassessment year: Monmouth's guide says the town's average ratio is used to test fairness in every year except a year when a revaluation or reassessment is put into effect.

Common level rangeMonmouth County Board of Taxation · Reassessment year

Monmouth's guide says the town's average ratio is used to test fairness in every year except a year when a revaluation or reassessment is put into effect.[2]

What other rules apply in Monmouth County?

Monmouth County Board of Taxation: Monmouth's board says you must pay all taxes and municipal charges through the first quarter of the tax year.

Paying the tax while you appealMonmouth County Board of Taxation

Monmouth's board says you must pay all taxes and municipal charges through the first quarter of the tax year.[2]

Which details are not confirmed yet?

We show a fact only after a person has checked it against the official source. These are still being checked. Until then, ask the Monmouth County Board of Taxation:

• What share of market value is assessed
• Exemptions