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New Jersey Business State Tax Extension I Fiduciaries Filing Guide

Form NJ-630 | Application for Extension of Time to File New Jersey Gross Income Tax Return  ·  Fiduciaries  ·  Business Filing Guide

Overview

New Jersey fiduciaries—including estates and trusts—are subject to state fiduciary income tax requirements, administered by the State of New Jersey | Department of the Treasury | Division of Taxation. An extension of time to file requires submitting a state extension request before the original deadline.

Original Filing Deadline

• The original due date for the New Jersey Fiduciaries return is April 15, 2026. File or remit full payment by this date to remain in good standing.
• How to Request a Filing Extension
• To extend your New Jersey Fiduciaries filing deadline, you must submit the state extension form by the original due date of April 15, 2026. If approved, the extended filing deadline is October 15, 2026.

Payment Is Still Due by Original Deadline

The extension applies to filing only—it is not an extension to pay taxes owed. Any outstanding tax liability must be paid by the original due date of April 15, 2026 to avoid penalties and interest. Use the New Jersey | Online Tax Extension Payment to pay electronically. For mail-in payments, use Form NJ-630 | Application for Extension of Time to File New Jersey Gross Income Tax Return and send to: State of New Jersey Division of Taxation Revenue Processing Center P.O. Box 282 Trenton, NJ 08646-0282

Late Filing and Payment Penalties

Failure to File: 5% of the amount of the tax due or $10, whichever is greater, for each month or part of a month, not to exceed 25% or $50, whichever is greater.

Best Practices

• Estimate and pay your New Jersey business tax by April 15, 2026 to avoid interest and penalties.
• Use the state online payment portal for fast, convenient electronic payment.
• Set a reminder to file your completed New Jersey Fiduciaries return by October 15, 2026.

Final Thoughts

• Unlike states with automatic extensions, New Jersey requires you to proactively request an extension. Submit your request before April 15, 2026 and file your return by October 15, 2026.
• Quick Reference Table
• State Abbreviation
• NJ
• State Name
• New Jersey
• Business Entity Type
• Fiduciaries
• Extension Status
• Action Required
• Return Due Date
• April 15, 2026
• Extended Due Date
• October 15, 2026
• Other Information
• New Jersey does NOT accept the federal extension for businesses. If 90% of the tax liability is not paid by the original due date of the return, your request for an extension will be denied and NJ will impose penalties and interest for late filing AND payment. NJ will notify you only if they deny your extension request, but not until after you actually file your return.
• Online Payment
• New Jersey | Online Tax Extension Payment
• Payment Voucher Form
• Form NJ-630 | Application for Extension of Time to File New Jersey Gross Income Tax Return
• State Payment Agency
• State of New Jersey | Department of the Treasury | Division of Taxation
• Mailing Address with Payment
• State of New Jersey Division of Taxation Revenue Processing Center P.O. Box 282 Trenton, NJ 08646-0282
• Failure to File Penalties
• 5% of the amount of the tax due or $10, whichever is greater, for each month or part of a month, not to exceed 25% or $50, whichever is greater.

Working with a Tax Professional

Business tax returns are complex—a licensed CPA or Enrolled Agent can maximize deductions, ensure accurate calculations, and handle filing on your behalf. Here's how working with a TaxPro typically goes:

1. 1Get matched with a verified U.S.-based CPA or Enrolled Agent
2. 2Upload your business documents via secure drag-and-drop
3. 3Review and approve your return with upfront, transparent fees
4. 4Your TaxPro files your New Jersey return by October 15, 2026

Quick Reference Table

State Abbreviation	NJ
State Name	New Jersey
Business Entity Type	Fiduciaries
Extension Status	Action Required
Return Due Date	April 15, 2026
Extended Due Date	October 15, 2026
Other Information	New Jersey does NOT accept the federal extension for businesses. If 90% of the tax liability is not paid by the original due date of the return, your request for an extension will be denied and NJ will impose penalties and interest for late filing AND payment. NJ will notify you only if they deny your extension request, but not until after you actually file your return.
Online Payment	New Jersey | Online Tax Extension Payment
Payment Voucher Form	Form NJ-630 | Application for Extension of Time to File New Jersey Gross Income Tax Return
State Payment Agency	State of New Jersey | Department of the Treasury | Division of Taxation
Mailing Address with Payment	State of New Jersey Division of Taxation Revenue Processing Center P.O. Box 282 Trenton, NJ 08646-0282
Failure to File Penalties	5% of the amount of the tax due or $10, whichever is greater, for each month or part of a month, not to exceed 25% or $50, whichever is greater.