Do my estimated taxes paid on January 15, 2016 apply to my 2015 taxes?

Yes. The deadlines for filing quarterly estimated tax payments are April 15th, June 15th, September 15th and January 15th. If you paid estimated taxes on January 15, 2016 these amounts are applied to the taxes you owe for 2015.

Categories: Ask Tom, Record Keeping & Taxes, Tax Return