2025 Bookkeping Deadlines

2025 Wednesday 15-Jan Estimated Tax Payment Due for Q4 Tuesday 21-Jan Sales Tax - Monthly Monday 27-Jan IRS accepting 2024 tax returns Friday 31-Jan 1099s due Thursday 20-Feb Sales Tax - Monthly Monday 17-Mar Tax Return due: 1065, 1120-S & K-1s Thursday 20-Mar Sales Tax - Monthly Tuesday 15-Apr Tax Return due: 1040, 1120, and Extension request Tuesday 15-Apr Estimated Tax Payment Due for Q1 or PY Annual Monday 21-Apr Sales Tax - Monthly Thursday 15-May Tax Return Due: 990 Tuesday 20-May Sales Tax - Monthly Friday 20-Jun Sales Tax - Monthly Tuesday 15-Jul Estimated Tax Payment Due for Q2 Monday 21-Jul Sales Tax - Monthly Wednesday 20-Aug Sales Tax - Monthly Monday 15-Sep Tax Return Extension due: 1065, 1120-S & K-1s Monday 22-Sep Sales Tax - Monthly Wednesday 15-Oct Tax Return due: 1040, 1120, and Extension request Wednesday 15-Oct Estimated Tax Payment Due Q3 or Late PY Annual Monday 20-Oct Sales Tax - Monthly Monday 17-Nov Tax Return Extension Due: 990 Thursday 20-Nov Sa...