hard to know for sure...BUT
IF you didn't make 4-equal quarterly payments, then a penalty might be calculated even with a refund. To possibly avoid it, you would have to prepare the forms 2210/2210AI (which are not available yet...probably 14 Feb), and work thru the messy Annualized Income calculations. But if the penalty is less than ~$50...I'd just pay it.
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example. IF you had an unusual 4th Qter income gain and made a single 4th Qtr estimate hat overpaid by $10,000....you could still have a penalty...until you do the Annualized income calculations. (A LOT of work)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
