Somerset County property tax rates in 2025 ran from $1.160 per $100 of assessed value in Far Hills to $4.543 in North Plainfield, so where you live inside the county matters as much as what your home is worth. New Jersey has no state property tax, which leaves counties and municipalities to fund schools, police, roads, and regional services almost entirely through real estate assessments. Your bill is really three bills bundled together: a municipal portion for local government, a county portion for Somerset County services, and a school portion that is usually the biggest slice. Each municipality adds those three levies into a single General Tax Rate, and you multiply that rate by your assessed value to get what you owe.1Division of Taxation. Statistical Information
How Your Assessment Is Set
Every municipality has a tax assessor who estimates what each property would sell for in a private sale between a willing buyer and willing seller, as of October 1 of the year before the tax year begins.2Justia. New Jersey Code 54:4-23 – Assessment of Real Property; Conditions for Reassessment That October 1 snapshot is the figure the assessor uses regardless of what the market does afterward. The Somerset County Board of Taxation supervises assessors across all 21 municipalities to keep valuations consistent.3Somerset County. Tax Board
When you renovate, build an addition, or make structural changes, the assessor updates your record from permit filings or physical inspection, and the change usually appears in the following year’s assessment. Each year you’ll receive a notification postcard showing your current assessment. If the number looks wrong, that postcard is your cue to talk to the assessor or file a formal appeal before April 1.
Calculating What You Owe
The math is simple: divide your assessed value by 100, then multiply by your municipality’s General Tax Rate. A home assessed at $350,000 in Bridgewater Township (2025 rate of $1.902) would owe roughly $6,657 for the year. The same assessed value in Hillsborough (rate of $2.160) would produce a bill of about $7,560.4New Jersey Department of the Treasury. 2025 General Tax Rates A lower rate doesn’t guarantee a lower bill, because assessed values differ from town to town.
Your first- and second-quarter bills are based on the prior year’s total divided by four. The municipality recalculates in summer once the current year’s budget is finalized, so August and November payments sometimes jump or drop compared with February and May.
Due Dates, Grace Period, and Late Interest
Somerset County property taxes are due quarterly:
- February 1 (covers January through March)
- May 1 (April through June)
- August 1 (July through September)
- November 1 (October through December)
Each municipality offers a 10-day grace period after the due date, extended to the next business day if the tenth falls on a weekend or holiday. Miss that window and interest kicks in retroactively to the original due date at 8% per year on the first $1,500 of the delinquency and 18% per year on anything above that.5Justia. New Jersey Code 54:4-67 One day late past the grace period means interest from the quarterly due date, not from the day your payment arrived.
You can mail a check with the voucher from your bill (the postmark counts), drop payment in a secure municipal box, or pay online through your town’s portal. Credit and debit transactions carry a convenience fee; e-check fees are usually lower. Include the Block and Lot numbers from your bill on any payment so it posts correctly.6State of New Jersey. Property Tax
If your mortgage includes escrow, your lender pays the municipality directly and you’ll receive a bill marked “For Advice Only” in red. If you receive an original bill without that advisory language, contact your lender. You remain legally responsible as the property owner even when a lender handles payment, so check your annual escrow statement to confirm the taxes are actually being paid on time.
What Happens If You Fall Behind
Interest is just the start. New Jersey law requires every municipality to hold at least one tax sale per year for delinquent properties.7Justia. New Jersey Code 54:5-19 – Power of Sale A tax sale doesn’t auction off your home. The municipality sells a tax lien certificate to an investor, who pays your delinquent taxes and earns interest from you until you repay.
You have two years from the sale to redeem the lien by paying the full delinquency plus interest, fees, and costs. During that period the lienholder cannot start foreclosure. After two years the certificate holder can file to foreclose, though you can still pay everything owed and clear the lien any time before a court enters a final foreclosure judgment. Municipalities that hold their own certificates can move to foreclose after just six months. Ignoring a delinquency can eventually cost you the property, not just the interest.
Appealing Your Assessment
If your assessment exceeds what your property would actually sell for, you can challenge it by filing a Petition of Appeal with the Somerset County Board of Taxation. The deadline is April 1 of the tax year, and the petition must be physically received by that date, not just postmarked. If your municipality underwent a revaluation or reassessment, the deadline moves to May 1.8State of New Jersey. Assessment and Appeals You also file copies with your municipal assessor and municipal clerk. Filing fees run from $5 for properties under $150,000 to $150 for properties assessed at $1 million or more.
Building Your Case
The law presumes the current assessment is correct, so you carry the burden of proof. The strongest evidence is comparable sales: recent arm’s-length transactions of similar properties in your municipality. Two or three sales of homes genuinely comparable in size, age, condition, and neighborhood carry more weight than a long list of loosely related transactions. Sales should have occurred within the year preceding the October 1 valuation date.
The petition form has space for up to five comparable sales with sale price, deed date, and property location.9New Jersey Department of the Treasury. Petition of Appeal You can hire a professional appraiser, but the appraiser must appear at the hearing to testify. Deliver all supporting evidence to the Board, the assessor, and the municipal clerk at least seven days before your hearing.
The Hearing
You’ll get notice of your hearing date at least 10 days ahead. You present your comparable sales and other evidence to a panel of Board of Taxation commissioners while the municipal assessor or their attorney challenges your evidence and presents their own. The Board issues a written decision. If you disagree with the outcome, you can appeal further to the New Jersey Tax Court.
Relief Programs That Can Lower Your Bill
Several state programs can meaningfully reduce what you actually pay. Each has its own eligibility rules and application, and missing a deadline forfeits that year’s benefit.
ANCHOR
The Affordable New Jersey Communities for Homeowners and Renters program sends a direct benefit payment rather than reducing your assessed value. Homeowners with gross income up to $250,000 and renters with income up to $150,000 are generally eligible. For the most recent benefit year, homeowners received between $1,000 and $1,750 depending on income and age, with an additional $250 for those 65 and older. Renters received between $450 and $700. The deadline to apply for the 2025 benefit year is November 2, 2026.10New Jersey Division of Taxation. Affordable New Jersey Communities for Homeowners and Renters (ANCHOR)
Stay NJ
Stay NJ is for senior homeowners aged 65 and older with household income below $500,000. It reimburses up to 50% of your property tax bill, with a 2025 benefit cap of $6,500. The state began issuing first-quarter 2024 Stay NJ payments in February 2026. Stay NJ benefits are calculated after ANCHOR and Senior Freeze amounts are determined, and all three programs share a single combined application.11NJ Division of Taxation. Stay NJ – Property Tax Relief for Senior Citizens You must have owned and lived in your home for all 12 months of the application year to qualify.
Veteran Deduction
Honorably discharged veterans who are New Jersey residents and own property qualify for an annual $250 deduction on their property tax bill. A surviving spouse or civil union partner of a qualifying veteran gets the same benefit if they have not remarried or entered a new partnership.12New Jersey Division of Taxation. NJ Division of Taxation – $250 Veterans Property Tax Deduction Reservists and National Guard members qualify only if called to active duty; training alone does not count. All eligibility requirements must be met as of October 1 of the pretax year.
Disabled Veteran Exemption
Veterans with a 100% permanent service-connected disability rated by the U.S. Department of Veterans Affairs can receive a complete property tax exemption on their home.13Justia. New Jersey Code 54:4-3.30 Qualifying conditions include paraplegia, total blindness, loss of both limbs, and other severe service-connected disabilities. The exemption covers the dwelling and the lot and stacks on top of any other property tax benefits. File the claim through your local assessor’s office.