Colorado property tax at the effective rate real bills actually land at — 0.52% of value at the ACS 2025 medians — applied to your home’s value.
$195 a month
| Assessed value | $450,000 |
| Homestead exemption | $0 |
| Effective rate | 0.52% |
| Annual tax | $2,340 |
Colorado's median homeowner pays $2,945 on a $567,600 home — 0.52% effective (ACS 2025). Nominal rates mislead across states (assessment ratios differ); the effective rate is the honest comparator. Your parcel's bill follows its own assessment and the overlapping local levies.
Source: U.S. Census Bureau, ACS 2025 1-year estimates.
Assessment-rate state: taxable assessed value = actual value x a residential assessment rate set by the state legislature (Gallagher Amendment repealed 2020); the rate has changed in most recent years, so a calculator must treat it as a dated, per-tax-year input, not a constant.
Source: state source in the research file (see hub).
This family is the pilot the plan called for: all 51 state pages plus the 25 most populous counties — not thousands of county pages with rates nobody verified. County figures here are the same ACS medians at county level.
County assessors publish parcel-level figures.
Assessments lag markets, exemptions differ (senior, veteran, disability), and local levies stack differently street by street. The effective-rate model gives the typical bill for the value, not your parcel's bill.
By effective rate, Illinois (1.92%) and New Jersey (1.82%); by median dollars, high-value states like New Jersey ($9,648) and California ($5,537) — the hub table shows both lenses.
Colorado Property Tax Calculator for 2026: at Colorado's 0.52% effective rate (ACS 2025), a $450,000 home pays about $2,340 a year. The state median bill is $2,945.
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What property tax typically costs in Colorado: the ACS 2025 effective rate applied to your home.
Colorado’s effective rate is 0.52%; the median bill is $2,945.
On the $450,000 test home the model gives $2,340 a year.
Typically $2,945 a year at the median (0.52% effective).
No — an effective-rate estimate; assessments and exemptions move real bills.
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