Tax Notes

Where’s My Refund?

Federal: https://www.irs.gov/wheres-my-refund

Colorado: https://tax.colorado.gov/where-is-my-refund


General Tax Filing Deadlines

(May change due to weekends, holidays and pandemics.)

March 15

  • Partnerships
  • S-Corporations

April 15

  • Individuals
  • C-Corporations
  • Trusts

September 15

  • Partnerships – extended
  • S-Corporations – extended

October 15

  • Individuals – extended
  • C-Corporations – extended


Quarterly Estimated Payments

  • April 15
  • June 15
  • September 15
  • January 15 (for previous tax year)


Mosaic Tax Group LLC

303-444-4327

2590 Trailridge Drive E, Suite 201 Lafayette, CO 80026