Colorado Capital Gains Tax Calculator
Calculate your capital gains tax liability in Colorado. Colorado taxes capital gains at rates up to 4.4%, plus federal taxes.
Original purchase price
Renovations, additions — added to your basis
Agent commissions, closing costs, title & transfer fees
Total Tax
$42,600
21.3% effective rate
Capital Gain
$200,000
Tax Breakdown
Sale price minus selling costs and all taxes (before any mortgage payoff).
Federal
$33,800
CO State
$8,800
Effective Rate
21.3%
Colorado Capital Gains Tax
Colorado has a flat 4.4% income tax that applies to capital gains
Long-term: 4.4% flat rate
Short-term: 4.4% flat rate
NIIT Applied
The 3.8% Net Investment Income Tax applies because your income exceeds $200,000.
Colorado Capital Gains Tax Details
Tax Treatment
Tax Type
Flat tax rate
Maximum Rate
4.4%
Available Exemptions
- Federal home-sale exclusion ($250K single / $500K married filing jointly) flows through to the Colorado return
- Limited Colorado capital gain subtraction for certain in-state assets acquired after May 9, 1994 (not applied automatically here)
- Selling costs and capital improvements reduce the taxable gain
Colorado Capital Gains Tax FAQ
Official References
- IRS Topic 409: Capital Gains and Losses
Federal capital gains tax guidance
- IRS Publication 523: Selling Your Home
$250K / $500K home-sale exclusion, basis adjustments, and selling expenses
This calculator provides estimates. Consult a tax professional for advice specific to your situation in Colorado.