Money and taxes
Florida corporate estimated tax has its own calendar
A Florida corporation that expects enough corporate income tax may need estimated payments before the annual return is due.
The Florida corporate tax calendar has more than one date on it.
A corporation, or an entity taxed like one, may have an annual Florida corporate income tax return. If it expects to owe more than $2,500 for the year, estimated payments may also be part of the file. Those payments use Florida Form F-1120ES and sit on their own timing.
That can surprise a business that is used to thinking in one annual folder. Sunbiz has its annual report. The IRS has its federal return. Florida Revenue has its own corporate income tax lane. Estimated payments are a separate planning item inside that lane, not something to remember only when the final return is almost done.
The exact dates depend on the tax year. For many tax years that do not end June 30, estimated payments line up around the last day of the 5th, 6th, and 9th month, plus the last day of the tax year. A CPA or tax preparer should set the exact calendar for the business.
Save the federal classification, Florida return copy, estimated-payment confirmations, extension payment, and Sunbiz annual report in nearby but separate folders. They are related, but they do not answer the same question.
Official sources
Last checked against these sources: July 4, 2026.
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