Colorado Property Tax Guide for 55+ Buyers — The Best Rate of Any Major Market

Colorado Has the Best Property Tax in Any Major Retirement Market

No major retirement market in the United States has lower property taxes than Colorado’s Denver area. The numbers are not subtle. On a $600K home:

The gap between Douglas County Colorado and Spalding County Georgia at $600K is $5,220/year. Over 20 years: $104,400. That is not a rounding error. That is a real six-figure difference in lifetime housing cost that very few buyers calculate before choosing a market.

Denver-Area County-by-County Rates

Every county in the Denver metro has a different effective rate. Here is the breakdown from lowest to highest:

• Weld County (~0.45%): Erie, Fort Lupton, Greeley corridor. The lowest effective rate of any county on this list.
• Larimer County (~0.50%): Fort Collins, Loveland, Windsor. Northern Colorado’s most favorable rate.
• El Paso County (~0.50%): Colorado Springs. Same rate as Larimer — the Colorado Springs market is tax-efficient.
• Douglas County (~0.55%): Castle Rock, Highlands Ranch, Parker. The best rate in the core Denver metro.
• Jefferson County (~0.55%): Lakewood, Littleton, Golden. Tied with Douglas for best in the core metro.
• Boulder County (~0.55%): Longmont, Louisville. Same rate, higher home prices.
• Broomfield County (~0.58%): Broomfield, Westminster.
• Denver County (~0.60%): Denver city proper. City and county taxes combined.
• Arapahoe County (~0.60%): Aurora, Centennial, Englewood.
• Adams County (~0.65%): Northeast Aurora, Green Valley Ranch. Highest in the metro but still dramatically better than most national markets.

The Colorado Senior Homestead Exemption

Colorado’s senior property tax exemption is among the most generous in the nation. Residents 65 and older who have owned and lived in their primary residence for 10 or more consecutive years receive a 50% exemption on the first $200,000 of assessed value.

How the math works: Colorado assesses property at actual value, then applies the residential assessment rate (currently 6.765% for 2025 tax year). The senior exemption applies to $200,000 of that assessed value before calculating taxes.

At Douglas County’s rate on a $650K home with the senior exemption: the first $200K of value is exempt, saving approximately $660/year. Not transformative, but meaningful over time — $6,600 over 10 years.

Colorado vs Florida: The Tax Comparison Buyers Miss

Florida is marketed as a tax-friendly state for retirees — no state income tax. But Florida’s property taxes are not actually favorable. Florida’s average effective rate is approximately 0.83% — higher than every Colorado county except Adams.

On a $600K home: Florida ($0.83%) costs approximately $4,980/year. Colorado’s Douglas County ($0.55%) costs approximately $3,300/year. Annual gap: $1,680. Over 20 years: $33,600. The common assumption that Florida is cheaper than Colorado on property taxes is simply wrong for the Denver metro’s best counties.

Add Colorado’s income tax: Colorado has a flat 4.4% income tax with no special retirement income exclusion (unlike Georgia’s $65K/person exclusion). For couples with over $130K in retirement income, Colorado will cost more than Georgia in state income tax. For couples under $130K combined income, the comparison tightens. Run the math for your specific income profile.