New Jersey has 564 municipalities in 21 counties, and property assessment is handled town by town. A homeowner in Bayonne, a farmer in Allamuchy and a shore-house owner in Avalon each deal with a different local office, yet all three follow the same state law. This page explains how those offices are organised, what each one does, and how to reach the right one without wasting a trip. Our directory lists 138 assessor offices across the state, and each one is a municipal office, not a county one.

How Property Assessment Works in New Jersey

Each municipality appoints its own tax assessor. The governing body, such as a township committee, borough council or city council, makes the appointment. The person must hold a Certified Tax Assessor license issued through the Division of Taxation, which is part of the New Jersey Department of the Treasury. The Division's Property Administration unit also sets the rules, forms and standards that every assessor follows. Smaller towns sometimes share an assessor or hire a part-time one, so office hours can be short.

The assessor's core job is to list and value every parcel in town. That covers houses, condos, apartment buildings, stores, warehouses and vacant land. Parcels are identified by block and lot numbers, which come from the municipal tax map. The assessment date is October 1 of the year before the tax year. The assessor finalises the tax list by January 10.

The assessor does not set your tax rate, and the assessor does not collect your money. That surprises many people. The assessor only decides the value that the rate is applied to. A high bill usually reflects municipal, school and county budgets, not a decision made at the assessor's desk.

Who Does What: Assessor, Collector and County Board of Taxation

Three offices touch your property tax, and they are easy to confuse.

If your question is about value, start with the assessor. If it is about a payment, call the collector. If you disagree with the value and the assessor will not change it, the county board is the next stop.

The state also publishes an annual assessment-to-sales ratio for each town, known as the Chapter 123 ratio. It shows how closely local assessments track market prices. It matters most when you appeal, because it affects how a board judges your claim.

Finding an Assessor in Northern New Jersey and the Metro Counties

The dense northeast has the most offices. Bergen County leads our database with 35 listings, because it has dozens of small boroughs, each with its own assessor. Examples include the Allendale Borough Assessor at 500 West Crescent Avenue (201-818-4419), the Bogota Assessor at 375 Larch Avenue (201-342-1730) and the Carlstadt Assessor at 500 Madison Street (201-939-1777). Cliffside Park, on the Hudson River Palisades, lists its office at 525 Palisade Avenue (201-945-3456).

Nearby counties follow the same pattern. Hudson County has large urban offices. The Bayonne Assessor is at 630 Avenue C (201-858-6055), and waterfront redevelopment keeps its records busy. In Morris County, the Butler Assessor works from 1 Ace Road (973-838-5158). Union County is another dense area with a mix of older suburbs and commercial corridors. In all of these, a quick phone call usually beats a walk-in, because many assessors keep set public hours.

Shore, Central and Rural Assessors in New Jersey

The shore has its own pressures. In Cape May County, the Avalon Assessor at 3100 Dune Drive (609-967-5754) deals with high-value seasonal homes, many owned by people who live elsewhere. The Middle Township Assessor handles a much larger and more varied area from 33 Mechanic Street, with a Cape May Court House mailing address (609-465-8726). Atlantic City has its own assessor at 1301 Bacharach Boulevard (609-347-5380), where casino and commercial valuations are a major part of the work.

Inland, offices are smaller. The Allamuchy Township Assessor at 292 Alphano Road (908-852-6514) and the Washington Assessor at 100 Belvidere Avenue (908-689-3799) serve Warren County communities where farmland and open land are a bigger share of the roll. The Alloway Assessor in Salem County, at 49 South Greenwich Street (856-935-7040), is a similar rural office.

Central New Jersey sits between these two worlds. The Lawrence Township Assessor, at 2207 Lawrenceville Road in Mercer County (609-844-7037), serves a suburban township near Princeton and Trenton. Bernards Township and Bedminster Township, both in Somerset County, are further examples of growing suburban offices.

What to Bring and When to Go

Timing matters more in New Jersey than in many states, because appeal deadlines are fixed. A rough calendar looks like this.

Before you visit or call, gather your block and lot numbers, your most recent tax bill and your mailing address. If you believe your value is too high, collect evidence. Useful items include recent sales of similar homes nearby, photos of defects, and repair estimates. Many assessors will talk through a value informally before you file. That conversation is free and often fixes simple errors, such as a wrong square footage or a finished basement that does not exist.

If you are claiming a deduction, bring proof. Veterans should bring discharge papers. Seniors and people with disabilities should bring documents that show age, disability status and income. The assessor tells you exactly what the town needs.

Deductions, Exemptions and Farmland Rules in New Jersey

The assessor's office is where most local property tax relief begins. New Jersey offers annual deductions for qualified veterans, and for seniors and disabled residents who meet age, disability and income rules. Some veterans with a 100 percent service-connected disability, and certain surviving spouses, qualify for a full exemption from property tax on their principal residence. Houses of worship and nonprofits may also qualify for exemptions, but they must file the correct forms.

Farmland has a separate process under the Farmland Assessment Act. Owners of qualifying land, which generally needs at least five acres in agricultural use, file an application with the municipal assessor by August 1. Farmland is then valued on its productivity rather than its development potential. This is why rural offices, such as those in Warren and Salem counties, field more of these applications than urban ones.

Programs such as ANCHOR and the Senior Freeze are run by the state Division of Taxation, not by your assessor. The assessor can tell you whether your record is accurate, but state benefit applications go through the state.

Property assessor offices in New Jersey operate under state property tax statutes that specify how properties must be valued, how often reappraisals occur, and what exemptions are available to qualifying homeowners. The state department of revenue or taxation typically provides oversight and technical guidance to county assessors to ensure consistent valuation practices statewide.

Assessor locations are available in 136 cities across New Jersey. They are spread across 21 counties.

Cities with the highest concentration include Lawrence, Washington, Kearny, where high real estate activity and complex commercial properties create greater demand for assessor services and property valuation resources.

Property owners in New Jersey should verify that their primary residence homestead exemption is active and confirm the annual appeal deadline with their local assessor office, as missing the deadline means waiting until the following tax year to contest a valuation.

Assessor by Counties

A
B
C
E
G
H
M
O
P
S
U
W

Many county assessor offices in New Jersey now offer online property search tools where homeowners can view their assessed value, recent sales history, and exemption status without visiting the office. If you have questions about a recent reassessment notice, calling or emailing the assessor's office is often the fastest way to get a response before filing a formal appeal.

Browse Assessor by county across New Jersey to find the nearest location.

Same Name, Different Town: Local Quirks in New Jersey

New Jersey's municipal map creates a few traps when you search for an assessor. The first is the postal address. Many offices use a mailing town that differs from the municipality. The Galloway Township Assessor, for example, is at 300 East Jimmie Leeds Road with an Absecon mailing address (609-652-3715). Middle Township uses Cape May Court House. If you search only by your postal town, you can end up at the wrong office.

The second trap is duplicate names. Our database shows two listings each for Lawrence and Washington. The state has several municipalities called Washington and more than one called Lawrence, in different counties. The Lawrence Township office on Lawrenceville Road is in Mercer County, and the Washington office on Belvidere Avenue is in Warren County. Always confirm the county before you drive anywhere. Your tax bill lists your municipality, and the block and lot numbers confirm it.

Third, a township and a borough with a similar name are separate governments with separate assessors. Bordentown Township, with its office at 1 Municipal Drive in Burlington County, is a good example. Check the full legal name of your municipality. The same care helps in Somerset County, where Bernards Township, Bedminster Township and Bound Brook all keep their own offices.

New Jersey Assessor FAQs

Start by calling your municipal assessor and asking them to review your record card. If you still disagree, file a petition of appeal with your county board of taxation by April 1. The deadline moves to May 1 if your town has just completed a revaluation or reassessment. You will need your block and lot numbers and evidence, such as recent sales of comparable homes. Properties assessed at one million dollars or more can go directly to the Tax Court of New Jersey instead. Check the filing fee with your county board, because it depends on the assessed value.

No. The assessor only determines the value of your property. The tax rate comes from the budgets of your municipality, your school district and your county. After those budgets are adopted, the county board of taxation certifies the rate, and the municipal tax collector then issues the bills. This is why two homes with the same assessed value can have different bills in neighbouring towns. If your bill jumped, compare your assessment first, then look at the municipal, school and county portions of the bill to see where the increase came from.

Use the municipality printed on your tax bill, not your postal town. Some places use a different mailing name. Galloway Township, for instance, shares an Absecon address, and Middle Township uses Cape May Court House. Once you know the municipality and county, look for that specific office in the directory. You can also go to your county page, such as Atlantic County, and compare names. If a name repeats, such as Washington or Lawrence, confirm the county before you call. Your county board of taxation can also tell you which municipality a block and lot belongs to.

The municipal assessor processes the local deductions and exemptions. These include the annual deductions for qualified veterans, and for eligible seniors and disabled residents who meet the income and ownership rules. The assessor also handles the full exemption for veterans with a 100 percent service-connected disability and for certain surviving spouses. Contact your office to get the current forms and a list of required documents. Veterans usually need discharge papers. Seniors and disabled residents usually need proof of age or disability and income documentation. Ask whether you must renew each year.

Under the Farmland Assessment Act, land in agricultural or horticultural use can be valued on what it produces, not on what a developer might pay for it. Generally the tract must be at least five acres and meet income requirements. You file an application with the municipal assessor by August 1, and the form must be filed every year. Your assessor can confirm the current rules. Rural offices such as Allamuchy Township in Warren County and Alloway in Salem County see more of these applications than dense urban towns do. Land that is later taken out of farm use can trigger rollback taxes.

Yes. Assessment records are public in New Jersey. The assessor keeps a property record card for each parcel, showing the block and lot, the assessed value, the lot size, and the building description. Many counties and towns also publish the tax list online, searchable by address or owner. If you cannot find a record online, ask the assessor's office or file a request under the Open Public Records Act. Comparing nearby homes is the most useful step before an appeal, so look at sale prices as well as assessments. Remember that the assessor may be part-time, so allow a few days for a reply.