Colorado All Counties Property Tax Calculator Free

Colorado property taxes are based on assessed value, not market value. In Douglas County, residential assessment rates are 7.05% for schools and 6.25% for local governments of market value. With local mill levies such as 0.037633 in some districts, this property tax calculator gives quick, precise 2026 tax estimates.

How to Calculate Colorado Property Tax (2025–2026)

Colorado uses a dual-rate system, meaning your 2025 and 2026 property tax is calculated in two separate parts one for school districts and one for local governments. Each uses a different assessment rate, so you must compute both values individually and then combine them for the final annual tax amount.

1. Calculate the Assessed Values

For residential property, Colorado applies split assessment rates.

• School Assessed Value = Actual Value × 7.05%
• Local Government Assessed Value = Actual Value × 6.25%

This creates two taxable values that will be used in the next steps.

2. Calculate Individual Taxes

Each assessed value is taxed separately based on its specific mill levy.

• School Tax = School Assessed Value × (School Mill Levy ÷ 1,000)
• Local Gov Tax = Local Gov Assessed Value × (Local Gov Mill Levy ÷ 1,000)

Your county, city, and special districts each contribute mill levies.

3. Combine for the Total Property Tax

Your final annual property tax is simply:
Total Property Tax = School Tax + Local Government Tax

This formula works for all Colorado counties.

Example Calculation (Home Value: $500,000)

Key Definitions

• Actual Value: Market value assigned by the county assessor.
• Mill Levy: Tax rate; one mill equals $1 of tax per $1,000 of assessed value.
• Assessment Rate: Percentage of actual value used for taxation—7.05% for schools, 6.25% for local governments.

Colorado County Tax Rates & Payment Deadlines (2025–2026)

Colorado counties follow effective tax rates ranging from 0.31% to 0.81%, with property taxes due either in two installments February 28 and June 15 or a single full payment by April 30. These rates help homeowners estimate yearly costs and plan ahead using updated county-specific tax schedules.

Conclusion

Calculating property taxes in Colorado requires understanding the split assessment method, where school districts and local governments use different assessment rates. By applying the correct percentages and mill levies, homeowners can estimate their annual tax quickly and accurately. Using a property tax calculator makes the process even easier, helping you plan ahead for 2025 and 2026 payments.

Frequently Asked Questions

1. How are property taxes calculated in Colorado?

Colorado property taxes are based on your home’s actual value, multiplied by two assessment rates, and then taxed using separate mill levies for schools and local governments. The results are added together to determine your annual tax bill.

2. What are the current residential assessment rates?

For the 2025–2026 tax years, residential properties use 7.05% for school districts and 6.25% for local governments. These percentages are applied to your home’s actual market value to calculate taxable assessed values.

3. What is a mill levy in Colorado?

A mill levy is the tax rate applied by counties, cities, schools, and special districts. One “mill” equals $1 of tax per $1,000 of assessed value. Your total mill levy is the combined rate from all taxing authorities in your area.

4. Why do Colorado taxes use two assessment rates?

Colorado separates assessment rates to independently fund school districts and local government services. This split structure allows counties and school boards to adjust their budgets without relying on a single, unified percentage.

5. How can I estimate my tax without doing the math manually?

You can use a Colorado property tax calculator. Simply enter your home’s actual value and your local mill levies, and it will automatically compute both assessed values, individual taxes, and your final total for 2025 or 2026.