Retiring in Denver
Colorado offers real, recently expanded retiree tax advantages -- as of 2026, the state removed all caps on its pension and annuity subtraction, and residents 65+ can subtract federally taxed Social Security in full -- though Denver's real 4.4% flat income tax still applies to income above those subtractions, and Denver is not a dedicated retirement destination the way some other markets are, with its real Hail Alley insurance costs and altitude-adjustment considerations worth weighing honestly for older movers.
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Learn moreColorado's 2026 Pension and Annuity Subtraction: Uncapped and Real
For income tax years beginning on or after January 1, 2026, Colorado removed all caps on its pension and annuity subtraction, allowing any individual -- regardless of age or income -- to subtract the full amount received as pension income from state taxable income, a real, structural change from the prior system (which capped the subtraction at $24,000 for those 65+ and $20,000 for those 55-64). This is a genuinely significant, current expansion of Colorado's retiree tax benefit.
Social Security: Fully Exempt at 65+, Partially Exempt Younger
Colorado residents age 65 or older can subtract their federally taxed Social Security benefits in full from state taxable income. Beginning January 1, 2025, this subtraction also extends to anyone 55 or older with adjusted gross income at or below $75,000 (single) or $95,000 (joint filing). Importantly, the two subtractions don't stack: any subtraction claimed for Social Security reduces the amount of subtraction available for other pension and annuity income.
The Flat 4.4% Rate Still Applies to What's Left
Retirement income above what these subtractions cover is taxed at Colorado's flat 4.4% rate for 2026 (see the taxes topic page for the full rate detail). For a retiree whose full pension, annuity, and Social Security income falls under the applicable subtractions, this can mean effectively no Colorado state income tax on that income at all -- a genuinely strong, real, and recently expanded structural advantage.
Senior Property Tax Relief, With an Honest Funding Caveat
Colorado's Senior Property Tax Homestead Exemption (50% of the first $200,000 of a home's actual value, for owners 65+ who've owned and occupied the property 10+ consecutive years, 2026 application deadline July 15) is real and, per the property-taxes topic page, described as fully funded for 2026 -- but it has been suspended by the legislature in past budget cycles, so a retiree should not assume its funding is permanently guaranteed going forward.
Denver Is a Working, Corporate-and-Tech City First, With Real Altitude and Insurance Considerations
The honest positioning: Denver's identity is aerospace, tech, and outdoor-recreation-adjacent urban living, not a slower, retiree-centric pace the way some dedicated Sun Belt retirement markets are built to be. Denver also carries two real, disclosed considerations more specific to older movers than to the general population: the base Denver record's disclosed 5,280-foot altitude-adjustment period (which, per the moving topic page, can take longer for older adults) and Colorado's nation's-4th-highest average homeowners insurance premium, driven by Hail Alley exposure. A retiree specifically wanting a quieter, lower-altitude, lower-insurance-cost retirement market should weigh these honestly against Colorado's real, expanded retirement-income tax benefits.
Key takeaways
- Colorado removed all caps on its pension/annuity subtraction starting in 2026, letting any individual subtract their full pension income from state tax -- a real, significant, current expansion from the prior $20,000-$24,000 cap system.
- Social Security is fully exempt from Colorado state tax for residents 65+, and partially exempt for those 55+ with income at or below $75,000 (single) / $95,000 (joint) -- though the two subtraction types don't stack.
- Income above these subtractions is taxed at Colorado's flat 4.4% rate (2026); a retiree whose income falls entirely under the subtractions can pay effectively no Colorado state income tax.
- The Senior Property Tax Homestead Exemption (50% of the first $200,000 of value, 10+ years owned/occupied, 65+) is real and funded for 2026, but has been suspended in past budget cycles -- don't assume permanent future funding.
- Denver is a working, corporate-and-tech city first, not a dedicated retirement destination -- and carries real altitude-adjustment (potentially longer for older adults) and Hail Alley insurance-cost considerations worth weighing against its genuine tax benefits.
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