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Capital-gains / step-up calculator — Colorado

When you inherit property, its cost basis “steps up” to the fair-market value on the date of death — so a near-term sale is usually taxed only on appreciation since then. This estimator shows the federal capital-gains tax, the 3.8% net investment income tax where it applies, your state’s income tax, and the dollars the step-up saved you versus the original basis.

State

Date of death

Date of sale (optional — defaults to this year)

Date-of-death fair-market value — your stepped-up basis (USD)

Sale price (USD)

Selling costs — commissions, closing (USD)

Improvements made after death (USD)

Your ownership share (%)

Other taxable income this year (USD)

Decedent’s original cost basis (optional — shows step-up savings)

This tool provides general educational information, not legal or tax advice. Statutory thresholds and deadlines vary by state and county and change over time; results are estimates based on the date of death you enter. Kindeed is not a law firm or accounting firm. For your specific situation, consult a licensed attorney or CPA in your state. Where a value is shown as “varies — confirm locally,” we don’t hold a verified figure and you should confirm it directly with the probate court or a licensed professional.