Important Tax Deadlines for the Rest of the Year Every Tax Pro Should Know
- 10 hours ago
- 2 min read
By Dr. Gwennetta Wright, Tax Coach

Tax season may slow down after April, but the deadlines do not stop. One of the best things you can do as a tax professional is stay ahead of the IRS calendar so you can guide your clients and avoid penalties. Missing deadlines can lead to interest, late fees, and compliance problems.
Here are some of the most important federal tax deadlines for the rest of the year that tax professionals and their clients should keep on their radar.
April 15
This is the major deadline for filing individual federal tax returns and paying any taxes owed. It is also the due date for the first quarterly estimated tax payment for the current tax year.
June 15
The second estimated tax payment for self employed individuals, freelancers, and business owners is due. If your clients earn income without withholding, they should be making these quarterly payments.
September 15
The third estimated tax payment for the year is due. This is also a common deadline for extended partnership and S corporation returns if those entities filed extensions earlier in the year.
October 15
This is the final deadline to file individual tax returns for taxpayers who filed an extension earlier in the year. If the return is not filed by this date, penalties and interest may apply.
January 15 of the following year
The final estimated tax payment for the year is due for individuals who make quarterly payments.
The key to serving your clients well is helping them stay ahead of these deadlines. Estimated tax payments, extensions, and business filings are all part of year round tax planning.
When tax professionals stay organized and proactive, clients avoid surprises and your practice runs smoother.
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