Property tax in Summit County, Colorado

Updated

The median property tax bill in Summit County, Colorado is $2,995 a year, which is about 0.32% of the county's median home value of $939,900. That effective rate is lower than the typical Colorado county (0.39%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.

Estimate the property tax on a home in Summit County

Enter a home's market value for a ballpark at Summit County's average effective rate of 0.32% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.


Estimated property tax: $3,008 / year

Property tax in Summit County at a glance

Summit County, Colorado property tax (Census ACS, reviewed September 23, 2026)
MeasureValue
Median annual property tax$2,995
Median home value$939,900
Effective tax rate0.32%
Typical Colorado county rate0.39%
National median county rate0.81%

Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.

How does Summit County compare in Colorado?

Among Colorado's 64 counties, Summit County has the 49th highest effective property-tax rate: 48 rank higher and 15 rank lower. That is on the lower side for Colorado. Nationally, it ranks 3054th of 3135 US counties by effective rate. See every Colorado county ranked.

How much do homeowners in Summit County actually pay?

The median is only the middle bill. Across Summit County's 9,040 owner-occupied homes, 49.8% pay $3,000 or more a year in property tax, 69.5% pay at least $2,000, and 8.1% pay under $800.

Annual property tax paid by Summit County homeowners (Census ACS 2020-2024)
Annual billHomesShare
Under $8007348.1%
$800 to $1,4991,09412.1%
$1,500 to $1,99990710%
$2,000 to $2,9991,78219.7%
$3,000 or more4,49849.8%
No property tax paid250.3%

Owners with a mortgage pay a median of $2,760 and owners without one pay $3,604. Here the owners without a mortgage pay more, which can happen where long-held homes sit in the higher-value parts of the county. Census table B25103.

How does the Summit County property tax bill compare with local incomes?

The median property tax bill of $2,995 is about 2.2% of the median income of Summit County homeowner households, $136,000 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 72.1% of Summit County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.

Have property taxes gone up in Summit County?

Yes. The median bill went from $1,877 in 2015-2019 to $2,995 in 2020-2024, a 59.6% rise. Over the same span the median home value moved 62.2%, from $579,600 to $939,900.

Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.

Property tax in counties next to Summit County

Summit County borders 5 counties.

Summit County and its neighbors, highest effective rate first (Census ACS 2020-2024)
CountyEffective rateMedian billMedian home value
Eagle County, CO0.42%$3,510$839,500
Lake County, CO0.42%$1,960$466,100
Clear Creek County, CO0.39%$2,350$608,500
Grand County, CO0.34%$2,071$601,500
Park County, CO0.33%$1,771$532,100
Summit County, CO (this county)0.32%$2,995$939,900

How is a home assessed in Summit County?

Colorado assesses homes at 6.8% of market value in every county, Summit County included. How Colorado assesses and reappraises homes.

Is there a homestead exemption in Summit County?

No. Colorado has no general homestead exemption; the closest broad relief is a 10% reduction on the first $700,000 of value for the local government portion, which applies to all residential property. That is the Colorado rule, and it applies in Summit County. Colorado's exemptions and relief programs in full.

When are property taxes due in Summit County?

Bills cover the preceding year and are mailed soon after January 1. If your tax is over $25 you can pay in full by April 30 or in two halves due the last day of February and June 15. Bills of $25 or less must be paid in full by April 30.

Colorado splits the bill into 2 installments. That is the Colorado rule. Summit County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Summit County property assessment

You contest the assessed value with the County assessor, then the County Board of Equalization, then the Board of Assessment Appeals, district court, or binding arbitration. The filing deadline is typically June 8. That is the Colorado rule; Summit County sets the exact dates and forms. The Colorado appeal process step by step.

Colorado rules from primary state sources, reviewed September 7, 2026; sources on the Colorado page.

Work out your own numbers

Sources