What is Colorado's property tax rate?

Colorado has one of the lowest property tax rates in the US — a residential assessment rate of approximately 6.765% on actual value, resulting in effective rates around 0.5%–0.6% of market value.

How does Colorado's property tax compare to other states?

Colorado ranks among the bottom 5 states for property taxes. Illinois averages 2.2%, New Jersey 2.4%, Texas 1.6%, California 0.76% — compared to Colorado's ~0.55%. On a $600K home, that's $3,300/year vs $13,200 in Illinois.

How is property tax calculated in Colorado?

Property tax = Assessed Value × Mill Levy. Assessed value is the actual value × 6.765% (residential assessment rate). The mill levy varies by county and school district. Total effective rate is typically 0.5%–0.65%.

Are there property tax exemptions in Colorado?

Yes. The Senior Homestead Exemption allows qualifying seniors (65+ who have owned their home 10+ years) to exempt 50% of the first $200,000 of home value. Veterans with disabilities may qualify for additional exemptions.

When are Colorado property taxes due?

Colorado property taxes are paid in arrears. The full-year amount is due by April 30, or two installments: first half by February 28, second half by June 15.

What is the Gallagher Amendment?

The Gallagher Amendment historically kept residential property taxes low by limiting the residential assessment rate. Voters repealed it in 2020, but replacement measures (TABOR) continue to limit tax increases.

Among the Lowest in the US

Colorado Property Tax Guide
2025 Edition

Colorado's property taxes are among the lowest in the nation — a massive financial advantage for homeowners relocating from Illinois, New York, Texas, or New Jersey.

~0.55%

Avg Effective Rate

One of the lowest in the US

75% less

vs Illinois

IL averages 2.2%

66% less

vs Texas

TX averages 1.6%

77% less

vs New Jersey

NJ averages 2.4%

Colorado Property Tax Estimator

Home Value

$200K$2M

Home Value

$600,000

Est. Annual Tax

$3,300

at 0.55% rate

Property Tax Rates by Colorado County

County	Eff. Rate	$500K Home	$700K Home	Key Cities
Douglas County	0.50%	$2,500/yr	$3,500/yr	Highlands Ranch, Castle Rock, Parker
Arapahoe County	0.57%	$2,850/yr	$3,990/yr	Centennial, Greenwood Village, Englewood
Jefferson County	0.55%	$2,750/yr	$3,850/yr	Lakewood, Golden, Evergreen, Littleton
Denver County	0.55%	$2,750/yr	$3,850/yr	City of Denver
Boulder County	0.52%	$2,600/yr	$3,640/yr	Boulder, Longmont, Louisville
El Paso County	0.51%	$2,550/yr	$3,570/yr	Colorado Springs

*Effective rates are estimates based on 2024 mill levies and may vary by specific location within a county.

Colorado vs Other States: 30-Year Savings

On a $600,000 home, here's how much you save in property taxes over 30 years by owning in Colorado vs other high-tax states:

New Jersey2.4% rate

$14,400/yr

$279,000 more over 30 yrs

Illinois2.2% rate

$13,200/yr

$255,000 more over 30 yrs

Texas1.6% rate

$9,600/yr

$171,000 more over 30 yrs

New York1.7% rate

$10,200/yr

$183,000 more over 30 yrs

California0.76% rate

$4,560/yr

$63,000 more over 30 yrs

Colorado0.55% rate

$3,300/yr

Lowest among major states

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