Boulder County, CO Property Tax Calculator
Boulder County homeowners pay a median $3,998 a year in property tax, 0.53% of a median $756,300 home: above Colorado's 0.48% but below the national 0.94%.
Property tax in Boulder County by home value, at 0.53%
| Home value | A year | A month |
|---|---|---|
| $200,000 | $1,058 | $88 |
| $300,000 | $1,587 | $132 |
| $400,000 | $2,116 | $176 |
| $500,000 | $2,645 | $220 |
| $750,000 | $3,968 | $331 |
| $1,000,000 | $5,290 | $441 |
Boulder County against Colorado and the US
| Effective rate | Median tax | Median home value | Median household income | |
|---|---|---|---|---|
| Boulder County | 0.53% | $3,998 | $756,300 | $103,994 |
| Colorado | 0.48% | $2,602 | $539,400 | $95,470 |
| United States | 0.94% | $3,119 | $332,700 | $80,734 |
How this calculator works
Median real estate taxes paid ÷ median home value in Boulder County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.
What it assumes
- Cities, school districts and special districts within the county levy different rates, so bills vary within it.
- Survey figures cover 2020 to 2024 and lag recent reassessments.
Questions people ask
What is the property tax rate in Boulder County?
The effective rate is 0.53%: a median $3,998 a year on a median $756,300 home. That's the 4th highest of the 15 Colorado counties we cover.
How much is property tax on a $400,000 house in Boulder County?
About $2,116 a year, $176 a month, at the county's effective rate, before any exemption.
How does Boulder County compare with the rest of Colorado?
Its rate is above the state's 0.48%. Across Colorado, covered counties range from 0.26% to 0.61%.
How do I lower my Boulder County property tax?
Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.
Other Colorado counties
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Sources
Updated by the RateHerald team. The maths is tested against worked examples; report a problem.