The due dates for quarterly estimated tax payments for your 2025 tax year are April 15, 2025; June 16, 2025; September 15, 2025; and January 15, 2026.
When you miss one of those dates, the tax code penalizes you.
The current penalty rate for underpaying the first payment on April 15, 2025, is 7 percent. You can’t deduct the cost of the penalty, so the true rate is higher. In the 37 percent tax bracket, the penalty cost is equivalent to ... Log in to view full article.