A plain-English guide to estimated tax payments, safe harbor rules, and how to avoid underpayment penalties.
If you expect to owe $1,000 or more when you file, the IRS generally expects payments throughout the year.
The four due dates
April 15, June 15, September 15, and January 15 of the following year.
Safe harbor
Pay 100% of last year's tax (110% for higher incomes) or 90% of this year's and you generally avoid penalties.
How we help
We project your liability mid-year so there are no surprises in April.