Costilla County, CO Property Taxes (2026)

Costilla County owners pay a median of $531 a year on a median home value of $171,300, an effective rate of 0.31%. That's the 49th-highest rate of 64 Colorado counties with Census data, below the Colorado county median of 0.39%.

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

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Effective tax rate

0.31%

49th highest of 64 in CO

Median annual bill

$531

~$44/month

Median home value

$171,300

Colorado county median

0.39%

Effective rate

What a protest could save you in Costilla County

Enter the market value from your appraisal notice. We apply Costilla County's 0.31% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$531
Savings at 10–15% off
$53–$80
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Costilla County vs. Colorado vs. U.S. property tax rates

Costilla County0.31%
Colorado county median0.39%
U.S. county median0.84%

Key stat: Costilla County's effective property tax rate is 0.31%, vs. 0.39% for the median Colorado county and 0.84% for the median U.S. county. It ranks 49th 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 Costilla County

  1. 1

    Review your assessment notice

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

  2. 2

    File your appeal before the deadline

    The Costilla 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 $531 bill, 10–15% off is $53–$80 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Colorado

Colorado homeowners may qualify for exemptions that reduce taxable value. Check with the Costilla 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 Costilla County, Colorado?
The median effective property tax rate in Costilla County is 0.31%: a median annual bill of $531 on a median home value of $171,300. That's the 49th-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 Costilla County?
The median Costilla County property tax bill is $531 a year, about $44 a month, compared with a Colorado county median of $1,293.
What is the deadline to appeal property taxes in Costilla County?
The deadline to appeal in Costilla County is June 1. Missing it means waiting until the next assessment cycle.
Is Costilla County a high property tax area?
Costilla County's 0.31% effective rate is below the Colorado county median of 0.39% and below the U.S. county median of 0.84%. That's the 49th-highest rate of 64 Colorado counties with Census data.
Can TaxDrop help lower my Costilla County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Alamosa County

Rate: 0.44%

Median bill: $968

Huerfano County

Rate: 0.28%

Median bill: $707

Conejos County

Rate: 0.40%

Median bill: $655

Custer County

Rate: 0.36%

Median bill: $1,300

Rio Grande County

Rate: 0.41%

Median bill: $893

Saguache County

Rate: 0.34%

Median bill: $679

Las Animas County

Rate: 0.24%

Median bill: $524

Pueblo County

Rate: 0.51%

Median bill: $1,382

← All 64 Colorado counties

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