Somerset County Property Tax Appeal, New Jersey

Travis Bunn·Updated July 24, 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 Township, Hillsborough Township, Bernards Township, Bernardsville

Median Home

$431,200

Tax Rate

1.81%

Annual Tax

$7,801

Population

362,839

On the typical Somerset County home, valued near $431,200 at the county’s effective tax rate of 1.81%, an over-assessment of even 10% means you are overpaying year after year until you appeal it. Here is how to find out if yours qualifies.

2026 Appeal Deadline: April 1, 2026 by 4:30 PM for non-revaluation municipalities; May 1, 2026 by 4:30 PM for revaluation municipalities

This year's appeal window has passed in most of New Jersey. Order now and we re-run your numbers free when the window reopens, so your evidence is ready the day your next notice lands.

For non-revaluation municipalities (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 (Bedminster, Bernards, Bernardsville, Bound Brook, Branchburg, Bridgewater, Far Hills, Franklin, Green Brook, Hillsborough, Manville, Millstone, Peapack-Gladstone, Rocky Hill, Warren Township, and Watchung), 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.

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How Somerset County Assesses Property

100%of market value

Assessed by: Municipal Tax Assessors (supervised by Somerset County Board of Taxation)

Assessment cycle: annual

Notices typically mailed: February

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 judgment within 30 days of your hearing.

Step 1: Review your assessment notice mailed in February and compare your assessed value to recent comparable sales of similar properties in your municipality.

Step 2: Gather supporting evidence including recent comparable sales (within the past year), photographs of your property showing condition issues, repair estimates for needed work, and any other documentation demonstrating your property's market value is lower than the assessed value.

Step 3: Complete Form A-1 (Petition of Appeal) and Form A-1 Comp. Sale forms, available from the Somerset County Board of Taxation or the NJ Division of Taxation website. Include your filing fee check made payable to County Tax Administrator.

Step 4: File the original appeal documents by the deadline (April 1 or May 1, 2026, depending on your municipality) either by mail to P.O. Box 3000, Somerville, NJ 08876, or in person at 27 Warren Street, 4th Floor, Somerville. Ensure first quarter taxes are paid, as payment is a prerequisite to the appeal process.

Step 5: Serve copies of your appeal on your municipal tax assessor and municipal clerk after filing with the county.

Step 6: Attend the hearing scheduled by the Somerset County Board of Taxation, typically held in June. You will receive a hearing notice at least 2 weeks before your scheduled appearance. Present your evidence to the Board, and the municipality may present counter-evidence.

Step 7: Receive the Board's judgment within 30 days of your hearing. If you disagree with the judgment, you may appeal to the Tax Court of New Jersey by filing a complaint within 45 days from the date of the mailing of the judgment.

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

Filing Methods

mail:Mail to: Somerset County Board of Taxation, P.O. Box 3000, Somerville, NJ 08876

in-person:Submit in person at: 27 Warren Street, 4th Floor, Somerville, NJ 08876

Evidence to Bring

Recent comparable sales of similar properties in your municipalityPhotographs of property condition issuesRepair estimates or contractor quotesProperty inspection reportsAppraisal reports (if available)Documentation of property defects or damage

Somerset County Assessor Contact

Somerset County Board of Taxation

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

Hours: Monday-Friday (contact office for specific hours)

Tax Exemptions in Somerset County

ANCHOR (Affordable New Jersey Communities for Homeowners and Renters)

Up to $1,500 for homeowners

Provides direct property tax relief to eligible homeowners through a credit or rebate

Eligibility: NJ residents who owned and occupied a home as principal residence on October 1, provided property taxes were paid and income is under $250,000Deadline: November 2, 2026 (for current cycle)

Senior Freeze (Property Tax Reimbursement)

Reimburses property tax increases above base year

Reimburses the difference between current property tax bill and base-year taxes, effectively freezing property taxes at a fixed amount

Eligibility: Age 65 and older, NJ resident for at least 10 years, resided in same residence for 3 years, income under approximately $163,050 (adjusted annually)Deadline: Annual filing required using Form PTR-1 or PTR-2

$250 Veteran Property Tax Deduction

$250 annual deduction

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

Eligibility: Honorably discharged veterans with active duty service in the U.S. Armed Forces during wartime, or un-remarried surviving spouses

100% Disabled Veteran Property Tax Exemption

Full property tax exemption

Complete property tax exemption on principal residence for veterans rated 100% permanently and totally disabled

Eligibility: Veterans with 100% service-connected permanent and total disability rating from VA for wartime service, or un-remarried surviving spouses/domestic partners of such veteransDeadline: File with municipal tax assessor using Form D.V.S.S.E.

$250 Senior/Disabled Person Property Tax Deduction

$250 annual deduction

Annual property tax deduction for senior citizens and disabled persons

Eligibility: Age 65 or older, or receiving Social Security disability payments with documentation of 100% disabilityDeadline: File with municipal tax assessor annually

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Frequently Asked Questions

What is the deadline to appeal my property taxes in Somerset County for 2026?

The deadline to file a property tax appeal in Somerset County depends on your 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 municipalities undergoing revaluation or reassessment (Bedminster, Bernards, Bernardsville, Bound Brook, Branchburg, Bridgewater, Far Hills, Franklin, Green Brook, Hillsborough, Manville, Millstone, Peapack-Gladstone, Rocky Hill, Warren Township, and Watchung), the deadline is extended to 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 and must wait another full 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 forms, available from the Somerset County Board of Taxation website or the NJ Division of Taxation. 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 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. After filing with the county, you must also serve copies on your municipal tax assessor and municipal clerk. Payment of first quarter taxes is a prerequisite to the appeal process, and your appeal will not be heard unless taxes are paid.

What evidence do I need for a successful property tax appeal in Somerset County?

The strongest evidence for a Somerset County property tax appeal includes recent comparable sales of similar properties in your same municipality that sold within the past year. You should gather at least three to five comparable sales that are similar in size, age, condition, and location to your property. Additionally, bring photographs documenting any property condition issues, defects, or needed repairs, along with contractor repair estimates or quotes showing the cost to address these problems. Other valuable evidence includes professional appraisal reports if available, property inspection reports, documentation of flooding or environmental issues, and any other materials demonstrating your property's market value is lower than its assessed value. Remember that in New Jersey, properties are assessed at 100% of market value, so your evidence should focus on proving what your home would actually sell for in the current market.

How much can I save by appealing my property taxes in Somerset County?

The amount you can save through a property tax appeal in Somerset County depends on how much your property is overassessed and the strength of your evidence. With Somerset County's median home value of $431,200 and effective tax rate of 1.81%, if your assessment is just 10% too high (approximately $43,120), you could be overpaying about $781 per year in property taxes. A successful appeal could reduce your assessed value to reflect true market value, resulting in immediate savings that continue year after year until the next revaluation. For example, if you successfully reduce your assessment from $450,000 to $400,000, you would save approximately $905 annually at the 1.81% rate. The key is providing strong comparable sales evidence demonstrating your property's actual market value is lower than your current assessment.

What happens at a Somerset County Board of Taxation hearing?

At a Somerset County Board of Taxation hearing, you will appear before the Board to present evidence supporting your claim that your property is overassessed. Hearings for 2026 appeals are typically scheduled in June, and you will receive a hearing notice at least 2 weeks before your scheduled appearance. The hearing is an informal proceeding where you present your evidence, including comparable sales, photographs, and any other documentation of your property's market value. The municipality may also present counter-evidence supporting the current assessment. Multiple hearings may be scheduled at the same time, so you should allow at least 3 hours for the process. After the hearing, the Somerset County Board of Taxation will issue a written judgment within 30 days, either upholding your current assessment, reducing it, or in rare cases, increasing it if the evidence shows your assessment is actually too low.

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, Somerset County homeowners may be eligible for several property tax relief programs including the ANCHOR benefit, which provides up to $1,500 for homeowners with income under $250,000. The Senior Freeze (Property Tax Reimbursement) program is available for homeowners age 65 and older with income under approximately $163,050, and it reimburses the difference between current property taxes and base-year taxes, effectively freezing your tax bill at a prior year's amount. Additionally, veterans may qualify for a $250 annual deduction, and 100% disabled veterans can receive a complete property tax exemption on their principal residence. These programs are administered separately from the appeal process, and you should apply through your municipal tax assessor or the NJ Division of Taxation depending on the specific program.

Can I appeal my Somerset County property taxes if my municipality had a revaluation?

Yes, you can and should appeal your Somerset County property taxes if your municipality underwent a revaluation, especially if you believe the new assessment is incorrect. In fact, revaluation years often present the best opportunity to appeal because assessors may make errors when revaluing thousands of properties simultaneously. For 2026, municipalities undergoing revaluation or reassessment in Somerset County include Bedminster, Bernards, Bernardsville, Bound Brook, Branchburg, Bridgewater, Far Hills, Franklin, Green Brook, Hillsborough, Manville, Millstone, Peapack-Gladstone, Rocky Hill, Warren Township, and Watchung. These municipalities have an extended deadline of May 1, 2026 by 4:30 PM to file appeals. After a revaluation, all properties are reassessed at current market value, so it's critical to compare your new assessment to recent comparable sales to ensure accuracy. Even if your assessment went down from the prior year, it could still be too high relative to current market conditions.

What if I disagree with the Somerset County Board of Taxation's decision on my appeal?

If you disagree with the Somerset County Board of Taxation's judgment on your property tax appeal, you have the right to appeal to the Tax Court of New Jersey. You must file a complaint with the Tax Court Management Office within 45 days from the date of the mailing of the Board's judgment, this deadline is strict and cannot be extended. The Tax Court provides a more formal legal proceeding where you can present additional evidence and legal arguments. For properties assessed over $1,000,000, you also have the option to file directly with the Tax Court instead of the County Board of Taxation. If you choose to appeal to Tax Court, you may want to consider hiring a property tax attorney, as the process is more complex than the County Board hearing. Tax Court decisions can be further appealed to the Appellate Division of the New Jersey Superior Court if necessary.

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 Property Tax Relief Programs →

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.

Somerset County Property Record Search →

Online tool to search property records, assessments, and comparable sales information for Somerset County properties to support your appeal.

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.tax-rates.org/new_jersey/somerset_county_property_tax | https://www.appealdesk.com/appeals/new-jersey/somerset | https://njtaxcalculator.com/somerset-county-nj-property-tax-calculator/ | https://www.nj.gov/treasury/taxation/lpt/lpt-deductions.shtml

Last verified: 2026-07-24