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Estate tax calculator by state, Colorado & New England

Vital Investment Management, LLC is a fee-only, independently owned firm based in Loveland, Colorado. This page estimates Colorado estate tax at zero and shows what a Massachusetts house can still mean for a nonresident. It does not say what a will or trust should do.

Educational estimate based on law as of 2026-10-22; not tax or legal advice. Vital Investment Management, LLC is an SEC-registered investment adviser. Registration does not imply a certain level of skill or training. Form ADV · Form CRS.

Colorado and Massachusetts property

A Colorado resident's estate is entered as a $900,000 Colorado home, a $3,000,000 house in Massachusetts, and $1,000,000 of investments, with no debts. Colorado estate tax is zero. Massachusetts tests the worldwide estate because of the Massachusetts house.

Gross estate $4,900,000. Federal taxable estate $4,900,000. Estimated federal estate tax $0. Colorado estimated tax $0. Massachusetts estimated tax $82,400. Rules as of 2026-10-22.

Colorado does not require an estate-tax filing for a death after December 31, 2004. The former state tax equaled the old federal state-death-tax credit. A Colorado resident can still owe estate tax to another state on real or tangible property located there. Colorado Legislative Council Staff, estate tax. For a death on or after January 1, 2023, Massachusetts requires a return when the gross estate plus adjusted taxable gifts exceeds $2,000,000. The tax is the former federal credit for state death taxes (Internal Revenue Code as of December 31, 2000), reduced by a $99,600 credit, not below zero. For a death on or after August 1, 2025, real and tangible property outside Massachusetts is removed before that computation. A nonresident is tested on the worldwide estate and is taxed on Massachusetts real and tangible property. Massachusetts Estate Tax Guide. The federal basic exclusion used here is $15,000,000 for 2026 deaths. IRS, Estate tax. The New England practice publishes the same state rules at vimnewengland.com/estate-tax-calculator/.

Colorado retirement income, stated, not calculated

The Colorado Department of Revenue pension and annuity subtraction is $20,000 per person at ages 55 through 64 and $24,000 per person at age 65 or older. An unused amount is not transferable to a spouse. For tax years beginning in 2022, a taxpayer age 65 or older may subtract all federally taxable Social Security on a separate line, and that subtraction reduces what remains of the pension subtraction. For tax years beginning in 2025, ages 55 through 64 may subtract Social Security only when federal adjusted gross income is at or under $75,000 single or $95,000 joint. This section is the published rule. It is not an income-tax calculator, and it is not a projection of retirement income.

Rules as of 2026-10-22. Colorado Department of Revenue, Social Security, pensions, and annuities.

Questions

Does Colorado have an estate tax?

Colorado does not require an estate-tax filing for a death after December 31, 2004. The former state tax equaled the old federal state-death-tax credit. A Colorado resident can still owe estate tax to another state on real or tangible property located there.

What if a Colorado resident owns real property in Massachusetts?

Massachusetts tests a nonresident on the worldwide estate and taxes Massachusetts real and tangible property. In the worked example on this page, the Colorado estate tax is $0 and the Massachusetts estimate is not zero.

How does Colorado tax retirement income?

The Department of Revenue pension and annuity subtraction is $20,000 per person at ages 55 through 64 and $24,000 per person at age 65 or older. Social Security is a separate subtraction for ages 65 and older. This page states that rule. It does not calculate an income-tax return.

Is this tax or legal advice?

No. It is an educational estimate based on law as of 2026-10-22. A qualified estate attorney and CPA determine the return.

Do I have to enter an email to see the estimate?

No. The estimate is shown on the page. Emailing a copy is optional and does not hide the result.

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Educational estimate based on law as of 2026-10-22; not tax or legal advice. Actual liability depends on asset titling, deductions, gifts, and future law changes. Consult a qualified estate attorney and CPA. Vital Investment Management, LLC is a fee-only, independently owned, locally based, SEC-registered investment adviser. Registration does not imply a certain level of skill or training.