Yes, for individuals, the 4th quarter state (and federal) estimated tax payment is generally due on January 15 of the following year.
For example, the 4th quarter payment for the 2025 tax year is due on January 15, 2026. This payment covers income earned generally from October 1 through December 31.
While most states align with the IRS, you should verify with your specific state's department of revenue for any unique deadlines. See this help article for contact information for the different state tax agencies.
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