AppealDesk

Somerset County Property Tax Appeal — New Jersey

Rob HartleyRob Hartley·Updated March 5, 2026

Somerset County is located in north-central New Jersey with Somerville as its county seat. As of 2025, the county has an estimated population of approximately 362,839 residents. Major population centers include Franklin Township (68,364 residents), Bridgewater Township, Hillsborough Township, and Bernards Township. Somerset County is one of the wealthiest counties in the United States and is ranked among the top 20 counties nationally for highest property taxes. The county's median home value of approximately $431,200 paired with an effective tax rate of 1.81% results in significantly higher property tax bills than both state and national averages, making property tax appeals particularly important for homeowners seeking to reduce their tax burden.

Notable cities: Somerville, Franklin Township, Bridgewater, Hillsborough, Bernards Township, Bernardsville

Median Home

$431,200

Tax Rate

1.81%

Annual Tax

$7,801

Population

362,839 (2025 estimate)

2026 Appeal Deadline: April 1, 2026 by 4:30 PM for non-revaluation municipalities (Montgomery Township, North Plainfield Borough, Raritan Borough, Somerville Borough, South Bound Brook Borough); May 1, 2026 by 4:30 PM for revaluation/reassessment districts (includes Bedminster, Bernards, Bernardsville, Bound Brook, Branchburg, Bridgewater, Far Hills, Franklin, Green Brook, Hillsborough, and others)

The appeal deadline varies by municipality depending on whether the town underwent a revaluation or reassessment. Appeals must be RECEIVED (not postmarked) by the deadline. For non-revaluation municipalities, the deadline is April 1 or 45 days from the date assessment notices are mailed, whichever is later. All petitions must be submitted in hard copy form via mail or in person with the filing fee.

Property in Somerset County, New Jersey — local tax assessment and appeal guide

How Somerset County Assesses Property

100%of market value

Assessed by: Somerset County Board of Taxation (supervises municipal tax assessors)

Assessment cycle: annual

Notices typically mailed: Late February to early March

In Somerset County, New Jersey requires all properties to be assessed at 100% of their market value, meaning your assessed value should equal your home's fair market value. For example, if your home's market value is $431,200 (the county median), at New Jersey's 100% assessment ratio your assessed value would be $431,200, resulting in approximately $7,804 in annual taxes at the county's effective rate of 1.81%. This direct relationship between market value and assessed value makes it crucial to ensure your assessment accurately reflects current market conditions when filing an appeal.

The Appeal Process

Appeals are heard by the Somerset County Board of Taxation. Hearings for 2026 appeals are scheduled in June. You will present evidence of your property's market value, and the municipality may present counter-evidence. The Board will issue a written judgment which may uphold, reduce, or in some cases increase your assessment.

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Step 1: Contact your municipal tax assessor for an informal review. Many municipalities encourage property owners to discuss their assessment before filing a formal appeal. This informal meeting may resolve issues without needing a formal appeal, and assessors can explain how your assessment was calculated.

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Step 2: Gather evidence to support your appeal, including recent comparable home sales in your area (from October 1, 2024 through October 1, 2025 for tax year 2026), photographs showing property condition or defects, independent appraisals, and repair estimates for any damage or needed improvements.

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Step 3: Obtain and complete Form A-1 (Petition of Appeal) and Form A-1 Comp. Sale from the Somerset County Board of Taxation or NJ Division of Taxation website. Include all required information about your property and your proposed assessed value with supporting comparable sales data.

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Step 4: File your appeal by the deadline. Submit the original petition with the filing fee (check payable to County Tax Administrator) to the Somerset County Board of Taxation by mail or in person. You must also serve copies on your municipal assessor and municipal clerk. Payment of first quarter taxes is required before your appeal can be heard.

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Step 5: Attend your hearing. All hearings for 2026 petitions are scheduled in June. You must be present at the hearing or represented by an attorney admitted to practice in New Jersey. Present your evidence including comparable sales, photos, and any expert testimony to support your claim that your assessment exceeds fair market value.

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Step 6: Receive the Board's decision. The Somerset County Board of Taxation will issue a written judgment. If you disagree with the decision, you may appeal to the New Jersey Tax Court within 45 days of the mailing date of the judgment.

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Step 7: If necessary, appeal to Tax Court. File a complaint with the Tax Court Management Office within 45 days if you are not satisfied with the County Board's decision. Properties assessed over $1,000,000 have the option to file directly with Tax Court, bypassing the County Board.

Required form: Form A-1 (Petition of Appeal) and Form A-1 Comp. Sale (Comparable Sales form)

Filing Methods

mail:Somerset County Board of Taxation, P.O. Box 3000, Somerville, NJ 08876
in-person:Somerset County Board of Taxation, 27 Warren Street, 4th Floor, Somerville, NJ 08876

Evidence to Bring

Comparable sales data from similar properties (October 1, 2024 through October 1, 2025)Recent independent appraisalPhotographs documenting property condition or defectsRepair estimates for any damageProperty record card showing assessment detailsMarket analysis demonstrating overassessment

Somerset County Assessor Contact

Somerset County Board of Taxation

Phone: (908) 541-5701

Address: 27 Warren Street, 4th Floor, P.O. Box 3000, Somerville, NJ 08876

Website: https://www.somersetcountynj.gov/residents/tax-board

Hours: Regular Tax Board Meetings held on the 2nd Tuesday of each month at 12 noon

Tax Exemptions in Somerset County

Veterans Property Tax Deduction

$250 annually

Annual property tax deduction for honorably discharged wartime veterans or their unmarried surviving spouses

Eligibility: Must be an honorably discharged wartime veteran or unmarried surviving spouse of a veteran or service person who died on active duty. Must be a property owner and legal New Jersey resident as of October 1 of the year prior to the tax year.Deadline: Contact municipal tax assessor

Senior Citizen and Disabled Persons Property Tax Deduction

$250 annually

Annual property tax deduction for qualifying senior citizens and disabled persons with limited income

Eligibility: Income may be no more than $10,000 during the year for which the deduction is requested, excluding with restrictions monies from Social Security or Federal/State government pension, disability and retirement programs.

Disabled Veterans Property Tax Exemption

100% exemption on dwelling and lot

Full property tax exemption on dwelling house and lot for permanently and totally disabled veterans or their surviving spouses

Eligibility: Must be 100% permanently and totally disabled veteran with active service in time of war, or unmarried surviving spouse of such disabled veteran. Requires honorable discharge and legal NJ residency.Deadline: Contact municipal tax assessor

Senior Freeze (Property Tax Reimbursement)

Reimbursement for tax increases from base year

Reimburses eligible senior citizens and disabled persons for property tax increases on their principal residence

Eligibility: Must meet all eligibility requirements for each year from base year through application year. Age and income limits apply.Deadline: October 31 annually through NJ Division of Taxation

Homestead Benefit Program

Varies based on income and property taxes paid

Provides property tax relief to eligible homeowners through credit applied to property taxes

Eligibility: NJ residents who owned and occupied a home as principal residence on October 1, provided property taxes were paid and income limits met.Deadline: File through NJ Division of Taxation

Official Resources

Somerset County Board of Taxation Official Website →

Official county tax board website with appeal forms, filing information, hearing schedules, and contact details for Somerset County property tax appeals.

New Jersey Division of Taxation - Property Tax Appeals →

State website providing Form A-1, appeal instructions, filing deadlines, and comprehensive guidance on New Jersey property tax assessment appeals.

NJ Tax Court Self-Help Resources →

New Jersey Tax Court resources for appealing County Board decisions, including eCourts online filing system and guidance for representing yourself in tax court.

NJ Property Tax Deductions and Exemptions →

Comprehensive information on New Jersey property tax relief programs including veteran deductions, senior freeze, homestead benefits, and disabled person exemptions available to Somerset County residents.

Check Your Somerset County Assessment

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Somerset County for 2026?
The appeal deadline in Somerset County varies by municipality. For non-revaluation municipalities including Montgomery Township, North Plainfield Borough, Raritan Borough, Somerville Borough, and South Bound Brook Borough, the deadline is 4:30 PM on April 1, 2026, or 45 days from the date assessment notices are mailed, whichever is later. For revaluation and reassessment districts, which include Bedminster, Bernards, Bernardsville, Bound Brook, Branchburg, Bridgewater, Far Hills, Franklin, Green Brook, Hillsborough, and other municipalities, the deadline is 4:30 PM on May 1, 2026. Your appeal must be RECEIVED by the Somerset County Board of Taxation by the deadline—postmark dates do not count. Missing the deadline means you forfeit your right to appeal for that tax year.
How do I file a property tax appeal in Somerset County?
To file a property tax appeal in Somerset County, you must complete Form A-1 (Petition of Appeal) and Form A-1 Comp. Sale, available from the Somerset County Board of Taxation or the NJ Division of Taxation website. Submit the original petition along with your filing fee (check made payable to County Tax Administrator) to the Somerset County Board of Taxation at P.O. Box 3000, Somerville, NJ 08876, or in person at 27 Warren Street, 4th Floor. You must also serve copies on your municipal assessor and municipal clerk. Appeals can only be submitted by mail or in-person—there is no online filing option. Before filing, consider scheduling an informal review with your municipal assessor, as many assessment issues can be resolved without a formal appeal. Your first quarter property taxes must be paid before your appeal can be heard.
What evidence do I need for a successful property tax appeal in Somerset County?
To win your Somerset County property tax appeal, you need strong evidence proving your property's assessed value exceeds its true market value. The most important evidence is comparable sales data from similar properties in your area that sold between October 1, 2024 and October 1, 2025 for tax year 2026 assessments. These comparables should be similar in size, age, condition, and location to your property. Additional compelling evidence includes a recent independent appraisal from a licensed appraiser, photographs documenting property defects or needed repairs, contractor estimates for repair costs, and your property record card showing how the assessor calculated your assessment. You must prove your assessment doesn't fairly represent market value using either the True Market Value Standard or Common Level Range Standard. During your hearing in June, you'll present this evidence to the Somerset County Board of Taxation, and the municipality may present counter-evidence supporting the current assessment.
How much can I save by appealing my property taxes in Somerset County?
Property tax savings from appealing in Somerset County depend on how much your assessment can be reduced and the local tax rate. With Somerset County's median effective tax rate of 1.81% and median home value of $431,200, even modest assessment reductions can yield significant annual savings. For example, if you successfully reduce your assessment from $450,000 to $425,000 (a $25,000 reduction), you would save approximately $453 annually at the 1.81% rate. Given that Somerset County has one of the highest median property tax bills in the nation at $7,801, successful appeals can potentially save homeowners hundreds to thousands of dollars per year. Statistics show that about 25% of homes nationwide are overassessed, paying an average of $1,346 too much annually. However, be aware that in New Jersey, municipalities can file counterclaims seeking to increase your assessment if they believe you're underassessed, so it's important to have solid evidence before filing.
What happens after I file my property tax appeal in Somerset County?
After you file your appeal with the Somerset County Board of Taxation, your case will be scheduled for a hearing in June 2026 for appeals filed for the 2026 tax year. You will receive notification of your hearing date and time. Before the hearing, the municipality must provide you with a copy of your property record card at least seven calendar days prior if you request it. You may reach a settlement with the municipal assessor before the hearing—settlements must be approved by the County Board. At the hearing, you must appear in person or be represented by an attorney admitted to practice in New Jersey. You'll present your evidence proving your assessment is excessive, and the municipality may present counter-evidence. The Board will issue a written judgment which may affirm, reduce, or potentially increase your assessment. If you're dissatisfied with the Board's decision, you have 45 days from the judgment mailing date to appeal to the New Jersey Tax Court.
Can I appeal my property taxes online in Somerset County?
No, Somerset County does not currently offer online filing for property tax appeals. All petitions of appeal must be submitted in hard copy form either by mail to P.O. Box 3000, Somerville, NJ 08876, or in person at the Somerset County Board of Taxation office located at 27 Warren Street, 4th Floor, Somerville. The appeal must include the original Form A-1 petition, Form A-1 Comp. Sale with comparable properties, and your filing fee check made payable to County Tax Administrator. While you cannot file online, you can download the required forms from the New Jersey Division of Taxation website or the Somerset County Tax Board website. After filing, copies must also be served on your municipal tax assessor and municipal clerk. If your property is assessed at over $1,000,000, you have the option to file directly with the New Jersey Tax Court, which does offer an eCourts online filing system.
What is the homestead exemption worth in Somerset County?
New Jersey does not have a traditional homestead exemption that reduces assessed value like some other states. Instead, New Jersey offers the Homestead Benefit Program, which provides property tax relief to eligible homeowners through a credit applied directly to their property tax bill by their municipality. The benefit amount varies based on your income and property taxes paid. Additionally, Somerset County homeowners may qualify for other deductions including the $250 annual Veterans Property Tax Deduction for wartime veterans or their unmarried surviving spouses, and the $250 Senior Citizen and Disabled Persons Deduction for those with annual income under $10,000 (excluding certain government benefits). There's also the Senior Freeze (Property Tax Reimbursement) program that reimburses qualifying seniors and disabled persons for property tax increases from a base year. To apply for these programs, contact your municipal tax assessor or file through the New Jersey Division of Taxation website.
What is Somerset County's assessment ratio and how does it affect my taxes?
Somerset County assesses all properties at 100% of market value, which is New Jersey's standard assessment ratio. This means your property's assessed value should equal its true fair market value with no discount or multiplier applied. The 100% assessment ratio makes the relationship between market value and taxes straightforward to calculate. For example, if your home has a market value of $431,200 (Somerset County's median), your assessed value should be $431,200, and at the county's effective tax rate of approximately 1.81%, you would pay about $7,804 in annual property taxes. This direct 1:1 relationship between market value and assessed value means that when market values decline in your area, your assessment should also decrease proportionally. Understanding this helps you identify overassessment—if comparable homes in your neighborhood are selling for less than your assessed value, you likely have grounds for a successful appeal to reduce your property tax burden.

For state-wide appeal information including New Jersey's assessment ratio and deadlines, see our New Jersey Property Tax Appeal Guide →

Considering professional help with your appeal? Compare pricing, coverage, and pros/cons in our Best Property Tax Appeal Services (2026) or browse side-by-side service comparisons →

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← All New Jersey property tax appeal info

Sources: https://www.somersetcountynj.gov/residents/tax-board | https://www.nj.gov/treasury/taxation/lpt/lpt-appeal.shtml | https://www.ownwell.com/trends/new-jersey/somerset-county | https://www.tax-rates.org/new_jersey/somerset_county_property_tax | https://worldpopulationreview.com/us-counties/new-jersey/somerset-county | https://www.nj.gov/treasury/taxation/lpt/lpt-deductions.shtml

Last verified: 2026-03-05