Every tax that matters for 55+ retirees in Colorado — income tax rate, Social Security exemption, military retirement, pension deduction, property tax, capital gains, and estate tax. Everything in one place with the math you need.
Colorado is generally favorable for retirees from a tax perspective — but the details matter significantly. Some benefits apply immediately; others require years of residency to unlock. This guide covers every relevant tax category for 55+ buyers moving to or living in Colorado, with the actual numbers and conditions.
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Talk to a Specialist →| Tax Category | Colorado Treatment | Applies Immediately? |
|---|---|---|
| State Income Tax | 4.4% flat rate | Yes |
| Social Security | Fully exempt | Yes |
| Military Retirement Pay | Fully exempt | Yes |
| Pension Income (65+) | Up to $24,000/year deduction | Yes (age 65+) |
| IRA/401(k) Distributions | Taxed at 4.4% flat rate | Yes |
| Property Tax Exemption | 50% of first $200K exempt | No — 10-year ownership required |
| Capital Gains (state) | Taxed as ordinary income at 4.4% | Yes |
| Estate/Inheritance Tax | None — Colorado has no estate or inheritance tax | Yes |
Colorado imposes a flat 4.4% state income tax on all taxable income, regardless of income level. This rate applies to wages, IRA and 401(k) distributions, capital gains, rental income, and most other income types. It does not apply to Social Security benefits or military retirement pay (see below).
For a retired couple with $120,000 in taxable income (after deductions and exemptions), the Colorado income tax liability is approximately $5,280/year. This rate is lower than California (up to 13.3%), Illinois (4.95%), Oregon (up to 9.9%), and New Jersey (up to 10.75%). It is higher than Arizona (2.5%), Tennessee (no income tax), Texas (no income tax), and Florida (no income tax).
Colorado does not tax Social Security benefits at the state level, regardless of income. This applies to retirement benefits, survivor benefits, and disability benefits. There is no income threshold above which Social Security becomes taxable in Colorado — unlike the federal treatment, which taxes up to 85% of Social Security for higher earners at federal rates.
This benefit applies immediately upon establishing Colorado residency. A couple receiving $48,000 combined in Social Security income moving from a state that taxes Social Security (Minnesota, Vermont, Connecticut, and others partially tax it) may save $1,500–$3,000/year in state tax on this income category alone.
Colorado fully exempts military retirement pay from state income tax. This covers retirement pay from all uniformed services — Army, Navy, Air Force, Marine Corps, Coast Guard, Space Force, and National Guard retirement. Survivor Benefit Plan (SBP) payments are also exempt.
This benefit applies on day one of Colorado residency — no waiting period or minimum ownership requirement. A veteran with $42,000/year in military retirement income moving from Virginia (which partially taxes military retirement above certain income thresholds) or another state with partial military retirement taxation may save $1,000–$2,000/year upon establishing Colorado residency.
Colorado allows taxpayers who are 65 or older to deduct up to $24,000 per year of pension income from their Colorado taxable income. Qualifying income includes pension payments from defined benefit plans, annuity payments, IRA distributions, and 401(k) distributions. Taxpayers ages 55–64 may deduct up to $20,000.
For a 65-year-old retiree receiving $40,000/year in IRA distributions, the $24,000 deduction reduces Colorado taxable income from the IRA by $24,000 — saving approximately $1,056/year in state income tax (at 4.4%). This deduction applies immediately for eligible age groups upon establishing Colorado residency.
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Colorado's Senior Property Tax Exemption exempts 50% of the first $200,000 of a primary residence's actual value from property taxation for homeowners who are 65+ and have owned and lived in the property for at least 10 consecutive years.
The annual savings depend on your county's mill levy but generally range from $550–$700/year in the Denver metro. The critical limitation: out-of-state buyers who purchase a home in Colorado must wait 10 consecutive years of ownership and primary residency before qualifying. There is no grandfather provision, no waiver, and no way to accelerate the timeline. Budget for full property taxes for your first decade.
Colorado property tax rates in the Denver metro range from approximately 0.55% (Broomfield) to 0.70% (Denver County). These rates are moderate nationally — lower than Illinois (2.0–2.5%), New Jersey (2.1–2.4%), and Texas (1.5–2.5%), and comparable to most Southeast states.
Colorado taxes capital gains as ordinary income at the 4.4% flat rate. There is no separate preferential rate for long-term capital gains at the state level — unlike federal taxation, which taxes long-term gains at 0%, 15%, or 20% depending on income. Colorado's 4.4% on capital gains is lower than California's up-to-13.3% but higher than states like Florida, Texas, and Nevada with no state income tax at all.
For buyers who sell a California home and generate a large capital gain (net of the federal $250,000/$500,000 primary residence exclusion), establishing Colorado residency before the sale finalizes means the gain is taxed in Colorado at 4.4% rather than California at 9.3%–13.3%. The timing of establishing residency relative to home sale closing is a meaningful tax planning consideration for California transplants — consult a CPA before making this decision.
Colorado does not impose a state estate tax or inheritance tax. Assets passed to heirs are subject only to federal estate tax, which applies at the federal level to estates exceeding the applicable exemption amount (currently $13.6 million per individual as of 2024, subject to federal law changes). For the vast majority of 55+ buyers, Colorado's absence of state estate tax is straightforwardly favorable — assets transfer to heirs without state-level reduction.
For a retired couple in Colorado with the following income profile — $48,000 Social Security (exempt), $42,000 military retirement (exempt), $36,000 in IRA distributions, and $24,000 pension (partially deductible) — the effective Colorado state income tax looks like this:
Taxable income before deductions: $60,000 (the IRA and pension after exclusions of SS and military). After the $24,000 pension deduction: $36,000 in Colorado taxable income. Colorado income tax: $36,000 × 4.4% = $1,584/year. Effective rate on total $150,000 income: approximately 1.1%.
This is a favorable tax outcome. Colorado's combination of Social Security exemption, military retirement exemption, and pension deduction effectively eliminates most Colorado state income tax for retirement-income-heavy households. The 4.4% flat rate applies to whatever remains after these significant carve-outs.
This guide is for informational purposes only and is based on 2024-2025 Colorado tax law as of publication. Tax law changes and individual circumstances vary significantly. Consult a qualified CPA or tax advisor before making financial decisions based on Colorado's tax environment.
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