Colorado
#38
retiree-friendly rank
- Social Security
- SS partially taxed
- Retirement income
- Partial retirement exclusions
- Death tax
- None
Prop 0.5% · Sales 7.89%
2026Colorado vs California Retirement Taxes
California ranks more retiree-friendly than Colorado on Social Security, retirement-income, and estate/inheritance treatment. Compare Social Security, pensions and IRA withdrawals, estate/inheritance taxes, and supporting property and sales rates.
By Sammy S. · Founder · AuthorUpdated for 2026
More retiree-friendly on this model
California ranks ahead
California ranks #23 vs #38 for Colorado. Score gap: 0.50 (lower score = more friendly).
Side-by-side retirement tax scoreboard
California
#23
retiree-friendly rank
- Social Security
- SS exempt from state tax
- Retirement income
- Retirement income taxed
- Death tax
- None
Prop 0.7% · Sales 9.03%
Retirement tax metric comparison
Rankings emphasize income and death taxes. Property and sales rates matter for cash flow but do not drive the retiree-friendliness score.
| Metric | Colorado | California |
|---|---|---|
| Retiree-friendly rank | #38 | #23 |
| Social Security | SS partially taxed | SS exempt from state tax |
| Retirement income | Partial retirement exclusions | Retirement income taxed |
| Estate / inheritance | None | None |
| Estate exemption | — | — |
| Estate top rate | — | — |
| Effective property tax | 0.5% | 0.7% |
| Combined sales tax | 7.89% | 9.03% |
State rules explained
Why Colorado and California differ for retirees
The gap is rarely one rule. Social Security thresholds, pension exclusions, and estate taxes can each flip which state looks better for a given household.
Colorado rules
Still taxes some Social Security for younger/higher-AGI filers; age 65+ typically deducts SS fully. Other retirement income partially sheltered.
Age 65+: Social Security fully deductible from Colorado taxable income (AARP / Colorado DOR). Ages 55–64: full SS deduction if AGI ≤ about $75,000 single / $95,000 joint; above that, up to $20,000 of retirement income (including SS) may be deducted. Confirm Form 104.
Age-based retirement exclusions apply; Social Security treatment depends on age/AGI as above—confirm current Colorado Form 104 instructions.
- Property
- 0.5%
- Sales
- 7.89%
California rules
Exempts Social Security but fully taxes most other retirement income at high progressive rates.
California does not tax Social Security benefits at the state level. Federal tax rules still apply.
Social Security exempt. Pensions, IRA, and 401(k) withdrawals taxed as ordinary income (top rate 13.3% plus MHSA surcharge over $1M).
- Property
- 0.7%
- Sales
- 9.03%
Income mix matters
A household living mostly on Social Security may prefer different rules than one drawing large IRA RMDs. Compare Colorado and California against your actual income mix.
Death taxes are separate
Federal estate tax can still apply above about $15M. State estate or inheritance tax is an extra layer in some states.
Property & sales still count
Colorado property 0.5% vs California 0.7%; sales 7.89% vs 9.03%.
Compare a different pair
Compare any two states
Social Security, pensions/IRA, estate taxes, and supporting property/sales rates.
Related tools
Estimate federal retirement figures
Use Social Security and RMD tools, then apply each state's rules from this comparison.
Colorado vs California retirement tax FAQs
California ranks more retiree-friendly on this site's Social Security, retirement-income, and estate/inheritance score. Also compare property tax (0.5% vs 0.7%) and combined sales tax (7.89% vs 9.03%).
Colorado: ss partially taxed. California: ss exempt from state tax. Federal Social Security tax rules apply in both states.
Colorado: partial retirement exclusions. California: retirement income taxed.
Colorado: no estate tax. California: no estate tax.
Not always. Property taxes, sales taxes, and estate taxes can offset income-tax savings. Compare total household exposure, not income tax alone.
Federal income tax, Medicare IRMAA surcharges, and the federal estate tax framework do not depend on the state of residence in the same way state income tax does. State rules sit on top of federal rules.
Related retirement tax comparisons
Educational comparison only. Confirm current state return instructions and estate planning rules before relocating.