New Jersey Tax Deductions Guide | NJ Write-Offs for Residents & Small Business
From the ANCHOR rebate to state income tax rules — everything New Jersey residents and small business owners need to know about tax deductions in 2025.
How NJ Taxes Work — and Where You Save
New Jersey has one of the most complex state tax structures in the country — but it also offers meaningful deductions that many residents overlook. This guide covers federal deductions that NJ residents commonly claim, NJ-specific state deductions, and programs unique to New Jersey like the ANCHOR Property Tax Benefit.
NJ vs. Federal Deductions: Key Differences
- NJ does not allow a deduction for mortgage interest on your state return
- NJ does not allow a deduction for federal income taxes paid
- NJ does allow a property tax deduction (up to $15,000 assessed value basis)
- NJ does have its own medical expense deduction rules (2% of NJ gross income threshold)
- Business deductions largely mirror federal rules under NJ gross income tax
NJ Property Tax Deductions & the ANCHOR Program
New Jersey has the highest property taxes in the country — averaging over $9,000 per year. Here’s how to reduce your burden through deductions and state benefit programs.
- Property Tax Deduction (State Return) — Deduct up to $15,000 in assessed value on your NJ state income tax return
- ANCHOR Property Tax Benefit — Direct rebate checks up to $1,750 for homeowners, $700 for renters. Apply through NJ Division of Taxation.
- Federal SALT Deduction — Deduct state and local taxes (including NJ property taxes) on federal Schedule A, up to $10,000 total
- Senior Freeze (PTR) — Reimburses the increase in property taxes above a base year for qualifying seniors (age 65+)
New for this cycle: confirmation letters went out August 10, automatic filing begins September 15, and the deadline for 2025 benefits is November 2, 2026. See our complete guide to the NJ ANCHOR program for amounts, eligibility, the October 1 test, and the PAS-1 combined application for seniors.
NJ Small Business & Self-Employed Tax Deductions
| Deduction | What Qualifies | Key Rule |
|---|---|---|
| Home Office | Dedicated workspace used exclusively for business | Simplified: $5/sq ft up to 300 sq ft |
| Vehicle / Mileage | Business driving, client visits, job sites | 70¢ per mile in 2025 |
| Health Insurance | Self-employed only — premiums for you and family | 100% deductible as adjustment to income |
| Business Internet & Phone | Business-use percentage | Prorate based on actual use |
| Equipment & Tools | Computers, software, tools used for business | Section 179 allows full first-year expensing |
| Business Travel | Flights, hotels, 50% of meals while traveling | Primary purpose must be business |
NJ Income Tax Brackets & Deduction Value
| NJ Taxable Income | Tax Rate | Value of $1,000 Deduction |
|---|---|---|
| $0 – $20,000 | 1.4% | $14 |
| $40,001 – $75,000 | 5.525% | $55.25 |
| $75,001 – $500,000 | 6.37% | $63.70 |
| Over $1,000,000 | 10.75% | $107.50 |
Frequently Asked Questions
Does New Jersey follow federal deduction rules?
Not always. NJ has its own gross income tax that differs from federal rules. The most notable differences: NJ does not allow a mortgage interest deduction on the state return, and NJ does not allow a deduction for federal taxes paid. However, NJ does allow business deductions similar to Schedule C, and it allows a property tax deduction on the state return.
What is the ANCHOR program in New Jersey?
ANCHOR (Affordable New Jersey Communities for Homeowners and Renters) is a state property tax relief program. Eligible homeowners with a primary residence and income under $250,000 can receive up to $1,750 as a rebate check. Renters with income under $150,000 can receive up to $700.