avoid nj tax underpayment penalty 2026 - NJ Tax Alerts

NJ Underpayment Penalty 2026: 10% Rate Applies Even If You Already Filed

April 13, 2026April 4, 2026 by Marcus Thorne

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NJ Tax Underpayment Penalty 2026: Thousands of residents are panicking as they finalize their state returns, suddenly discovering an unexpected fine added to their tax bill. Finding a surprise charge on Line 52 of your return is stressful, especially when you realize it is caused by not paying enough estimated tax throughout the year. If … Read more

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Marcus Throne, CPA

Marcus Throne, CPA

Lead Tax Strategist

Expert in DORES state compliance and NJ tax relief programs.

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