Jefferson County, CO Property Taxes (2026)

Jefferson County owners pay a median of $2,867 a year on a median home value of $604,400, an effective rate of 0.47%. That's the 15th-highest rate of 64 Colorado counties with Census data, above the Colorado county median of 0.39%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

Is your Jefferson appraisal too high?

We compare your value to recent Jefferson County sales and show you in about a minute whether a appeal is worth it.

  • Free check
  • No credit card

Effective tax rate

0.47%

15th highest of 64 in CO

Median annual bill

$2,867

~$239/month

Median home value

$604,400

Colorado county median

0.39%

Effective rate

What a protest could save you in Jefferson County

Enter the market value from your appraisal notice. We apply Jefferson County's 0.47% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$2,841
Savings at 10–15% off
$284–$426
Check my actual assessment →

Jefferson County vs. Colorado vs. U.S. property tax rates

Jefferson County0.47%
Colorado county median0.39%
U.S. county median0.84%

Key stat: Jefferson County's effective property tax rate is 0.47%, vs. 0.39% for the median Colorado county and 0.84% for the median U.S. county. It ranks 15th of 64 in Colorado. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Jefferson County

  1. 1

    Review your assessment notice

    Check the assessed value from the Jefferson County Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Jefferson County deadline is June 1. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the County Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $2,867 bill, 10–15% off is $287–$430 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

Check my assessment

Property tax exemptions in Colorado

Colorado homeowners may qualify for exemptions that reduce taxable value. Check with the Jefferson County Assessor for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Jefferson County, Colorado?
The median effective property tax rate in Jefferson County is 0.47%: a median annual bill of $2,867 on a median home value of $604,400. That's the 15th-highest rate of 64 Colorado counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Jefferson County?
The median Jefferson County property tax bill is $2,867 a year, about $239 a month, compared with a Colorado county median of $1,293.
What is the deadline to appeal property taxes in Jefferson County?
The deadline to appeal in Jefferson County is June 1. Missing it means waiting until the next assessment cycle.
Is Jefferson County a high property tax area?
Jefferson County's 0.47% effective rate is above the Colorado county median of 0.39% and below the U.S. county median of 0.84%. That's the 15th-highest rate of 64 Colorado counties with Census data.
Can TaxDrop help lower my Jefferson County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Denver County

Rate: 0.44%

Median bill: $2,596

Clear Creek County

Rate: 0.38%

Median bill: $2,160

Douglas County

Rate: 0.55%

Median bill: $3,707

Gilpin County

Rate: 0.23%

Median bill: $1,177

Broomfield County

Rate: 0.62%

Median bill: $3,888

Boulder County

Rate: 0.54%

Median bill: $3,821

Park County

Rate: 0.34%

Median bill: $1,679

Summit County

Rate: 0.31%

Median bill: $2,641

← All 64 Colorado counties

Stop overpaying on property taxes

See in about a minute whether your Jefferson value looks too high.

Check my assessment — free