Alamosa County, CO Property Taxes (2026)

Alamosa County owners pay a median of $968 a year on a median home value of $218,800, an effective rate of 0.44%. That's the 20th-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)

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Effective tax rate

0.44%

20th highest of 64 in CO

Median annual bill

$968

~$81/month

Median home value

$218,800

Colorado county median

0.39%

Effective rate

What a protest could save you in Alamosa County

Enter the market value from your appraisal notice. We apply Alamosa County's 0.44% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$963
Savings at 10–15% off
$96–$144
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Alamosa County vs. Colorado vs. U.S. property tax rates

Alamosa County0.44%
Colorado county median0.39%
U.S. county median0.84%

Key stat: Alamosa County's effective property tax rate is 0.44%, vs. 0.39% for the median Colorado county and 0.84% for the median U.S. county. It ranks 20th 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 Alamosa County

  1. 1

    Review your assessment notice

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

  2. 2

    File your appeal before the deadline

    The Alamosa 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 $968 bill, 10–15% off is $97–$145 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 Alamosa 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 Alamosa County, Colorado?
The median effective property tax rate in Alamosa County is 0.44%: a median annual bill of $968 on a median home value of $218,800. That's the 20th-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 Alamosa County?
The median Alamosa County property tax bill is $968 a year, about $81 a month, compared with a Colorado county median of $1,293.
What is the deadline to appeal property taxes in Alamosa County?
The deadline to appeal in Alamosa County is June 1. Missing it means waiting until the next assessment cycle.
Is Alamosa County a high property tax area?
Alamosa County's 0.44% effective rate is above the Colorado county median of 0.39% and below the U.S. county median of 0.84%. That's the 20th-highest rate of 64 Colorado counties with Census data.
Can TaxDrop help lower my Alamosa County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Costilla County

Rate: 0.31%

Median bill: $531

Conejos County

Rate: 0.40%

Median bill: $655

Rio Grande County

Rate: 0.41%

Median bill: $893

Saguache County

Rate: 0.34%

Median bill: $679

Custer County

Rate: 0.36%

Median bill: $1,300

Huerfano County

Rate: 0.28%

Median bill: $707

Fremont County

Rate: 0.38%

Median bill: $1,081

Mineral County

Rate: 0.35%

Median bill: $1,462

← All 64 Colorado counties

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