March 1 - tax info is due to our office for Individuals (Forms 1040 and 114), December year-end C-corporations (Form 1120), and Trusts (Form 1041)
March 15 - filing deadline for November year-end C-corporations (Form 1120), S-corporations (Form 1120S), LLC's and Partnerships (Form 1065)
April 1 - tax info due to us for individuals wishing to extend and also for Non-profits
April 18 - filing deadline for Individuals, December year-end C-corporations, and Trusts
May 16 - filing deadline for Non-profits (Forms 990) and for individuals and businesses affected by the wildfires in Boulder County

You can find a complete list of due dates on our website,
on your client portal under News, or by clicking this link.