When are New Jersey business taxes due?
New Jersey businesses face multiple tax deadlines throughout the year. The specific dates depend on which taxes apply to your business and whether you file monthly, quarterly, or annually.
Sales tax is due by the 20th of the month following the reporting period. If you file monthly, January sales tax is due February 20th. Quarterly filers submit by the 20th of the month after the quarter ends. Most small businesses start as quarterly filers and move to monthly once they hit higher sales volumes. The state assigns your filing frequency based on your tax liability.
Payroll taxes have their own schedule. New Jersey requires Form NJ-927 and Form WR-30 by the 30th of the month following each quarter. That means January 30th for Q4, April 30th for Q1, July 30th for Q2, and October 30th for Q3. Federal payroll deposits happen more frequently, either semi-weekly or monthly depending on your total liability, but the state quarterly filings are what most small business owners track. Having full-service payroll means these filings happen automatically without you watching the calendar.
Corporation Business Tax follows a 15th-of-the-month pattern. For calendar-year filers, annual returns are due April 15th. Estimated quarterly payments are due on the 15th of the fourth, sixth, ninth, and twelfth months of your tax year. For most businesses, that means April 15th, June 15th, September 15th, and December 15th. Pass-through entities like S-corps and partnerships have March 15th federal deadlines, with New Jersey following similar timing.
One distinction worth understanding is that bookkeeping prepares you for these deadlines, but actual tax filing typically involves your accountant. Your bookkeeping services keep the records clean and ready so that when deadlines approach, the numbers are accurate and your accountant can file without scrambling. Trying to reconcile months of transactions the week before a deadline leads to mistakes and stress.
Missing deadlines triggers penalties and interest immediately. New Jersey isn’t forgiving about late filings or payments. The penalty structure varies by tax type, but you’ll typically face a percentage of the unpaid tax plus interest from the due date.
The calendar fills up quickly when you’re tracking sales tax, payroll, and income taxes at the same time. Build a reminder system that works for your business, whether that’s calendar alerts, a bookkeeper who tracks deadlines for you, or software that automates the notifications. The goal is having accurate books ready before each deadline, not rushing to get them done the day something is due.
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