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Colorado inheritance and estate tax: Denver probate and return questions

Colorado does not require its estate-tax return for deaths after December 31, 2004. Probate, estate-income reporting and federal returns remain separate questions for a Denver-area family.

Sources checked . General information maintained by Denver Tax with AI assistance. We are an independent directory, not a government agency or tax adviser. Verify the instructions for your tax year and circumstances.

Why does an old Colorado estate-tax form still appear?

The legislature’s estate-tax background explains that Colorado replaced its inheritance tax with an estate tax, and that the federal state-death-tax-credit change eliminated Colorado estate-tax filing for deaths after December 31, 2004. An archived form is not evidence that a new estate must file it.

That legislative page also contains historic federal figures. Do not use them as current IRS thresholds. For a present-day federal filing question, use the current IRS resource and the actual date of death.

Check the historical state scope
Separate the repeal/credit history from current federal filing tests. Colorado legislative estate-tax explanation

An estate may have a separate income-tax task

Colorado Revenue publishes current resident and nonresident estate/trust income-return conditions. Income during administration is a different issue from a tax on the transfer at death. Ask which fiduciary returns need review even if no Colorado estate-transfer return is required.

List interest, rents and other administration-period receipts separately from date-of-death asset records. Do not assume that filing the decedent’s final personal return also files an estate’s return.

Check fiduciary income filing
Use the current resident/nonresident guidance and relevant forms. Colorado estates and trusts

Denver probate is distinct from the wider region

The Judicial Branch explains that Denver has a separate Probate Court, while probate matters elsewhere follow the relevant county court structure. Confirm the estate’s proper court rather than routing every metro case from a Denver postal label.

Ask who will handle appointment and court documents, who prepares tax returns, and whether any representation is included. A general tax-attorney or accountant category does not verify probate or estate-tax expertise.

Probate and estate resources
Use the official court guidance and confirm the county. Colorado probate resources
Federal return types
Distinguish final individual, estate-income and estate-tax returns. IRS decedent guidance

Organize the records before asking for a quote

Prepare a private summary of the task and any notice requiring action. Ask which evidence is needed and arrange secure document exchange before sending an estate file. This directory does not collect tax documents or decide who may act for an estate.

  • Date of death, residence, property locations and the person appointed or authorized to act.
  • Will/trust and appointment records, asset ownership and date-of-death statements.
  • Prior returns, notices and separate proof of filing and payment; flag property or accounts in other states.
  • A written division of tax preparation, probate work, valuations and representation, including excluded work and fees.

Ask a professional about your situation

Ask about this state, the estate’s residence and assets, the required return and any notice. Agree who handles tax preparation, probate, valuation and representation. General directory listings do not verify estate-tax or probate expertise.

Compare professional qualifications and questions to ask. Keep personal tax documents private; this directory does not receive returns, identity documents or portal credentials.

Related guides

Official sources and applicability

  • Colorado General Assembly: estate-tax background — Inheritance-tax replacement and no estate-tax filing for deaths after December 31, 2004.
    Legislative background page published 2017; historical federal exclusion figures are not current filing thresholds. Checked 2026-10-24.
  • Colorado Revenue: estates and trusts — Separate Colorado fiduciary income-return conditions for resident/nonresident estates and trusts.
    Official guidance checked for the applicable task; verify the tax year. Checked 2026-10-24.
  • Colorado Judicial Branch probate resources — Probate and estate-administration resources, including Denver’s separate Probate Court.
    Official guidance checked for the applicable task; verify the tax year. Checked 2026-10-24.
  • IRS Topic 356: decedents and estate returns — Final individual, estate-income and federal estate returns are separate filing questions.
    Official guidance checked for the applicable task; verify the tax year. Checked 2026-10-24.

Next source review due 2027-01-22, and before promotion for a new tax year. To report an outdated resource, contact the directory without sending personal tax information.