Planner CS Colorado version 2025.1.1 release on 02/26/26
This user bulletin describes changes made to this release of Planner CS® Colorado.
What's changed
Income tax rate
The Colorado flat income tax rate is increased to 4.4% for tax year 2025.
Social Security benefit subtraction
Beginning with tax year 2025, the Social Security benefit subtraction is updated to allow taxpayers between age 55 and 64 to subtract the full amount of federally taxable Social Security benefits from Colorado taxable income. The subtraction is limited to $20,000 for taxpayers age 55 to 64 if modified AGI (federal AGI plus nontaxable SS benefits and nontaxable interest income) exceeds $75,000 ($95,000 for MFJ).