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Colorado · County property tax · ACS 2024

Alamosa County Property Taxes

The median homeowner in Alamosa County pays $1,024 a year, an effective rate of 0.43%, well below the U.S. average.

$1,024
Median tax / yr
0.43%
Effective rate
-49%
vs U.S. average
#23 of 64
rank in CO

The verdict

Homeowners in Alamosa County pay a median $1,024 a year in property tax, an effective rate of 0.43%, more affordable than 91% of U.S. counties.

$1,024
Median annual tax bill, 2024
0.43%
Effective rate on median home
#292 of 3135
U.S. counties by tax burden
-49%
vs the national average bill

Effective rate is the median property tax bill divided by the median home value ($239,100). U.S. Census Bureau, ACS 5-Year Estimates · 2024.

Census Bureau ACS property tax data for Colorado. Owner-occupied homes: 3,719.

The median annual property tax in Alamosa County is $1,024, which is 61% lower than the Colorado state average and 49% below the national average. The effective tax rate is 0.43% on a median home value of $239,100. Property taxes represent 1.8% of the median household income in this county.

What This Data Tells Us About Alamosa County

Homeowners in Alamosa County pay a median annual property tax of $1,024, well below the national median and far below the Colorado state median. On a $239,100 median home, that works out to an effective rate of 0.43% once the local assessment base and millage are combined.

Property taxes in Alamosa County run a bit below the commonly cited 2%-4% national benchmark, at about 1.8% of the $55,397 median household income. Since 2023, the published ACS median estimate has ticked up 5.8%, from $968 to $1,024. This compares two release estimates; it does not identify a local policy, assessment, exemption, or household-bill cause.

This page is for informational purposes only and is not tax, legal, or financial advice. Figures describe the median homeowner household in Alamosa County as reported to the Census Bureau, your own bill can differ based on your parcel's assessed value, exemptions, special districts, and municipal overlays. Always consult your county assessor, tax collector, or a qualified professional before making decisions that depend on these numbers.

Median Annual Tax
$1,024
-61% vs State -49% vs US
Median Home Value
$239,100
-56% vs State +5% vs US
Effective Tax Rate
0.43%
-10% vs State -53% vs US

With vs Without Mortgage

With Mortgage
$1,177
$98/mo
Without Mortgage
$893
$74/mo

Mortgaged homeowners in Alamosa County pay a substantially higher bill, 32% more, pointing to a wide home-value gap between the two groups.

How Alamosa County compares

Effective property tax rate (median tax ÷ median home value), ACS 2024.

Alamosa County 0.43%
Colorado average 0.48%
U.S. average 0.92%

Alamosa County's effective rate is higher than 64% of the 64 counties in Colorado - ranking #23 of 64 for property tax burden.

Where Alamosa County sits among every U.S. county

Effective property tax rate (median tax ÷ median home value)

0.43% Among the most affordable more affordable than 91% of 3,135 U.S. counties

0.00%–0.25%: 19 U.S. counties (1%). Below this entry. 0.25%–0.50%: 467 U.S. counties (15%). This entry sits in this band. 0.50%–0.75%: 904 U.S. counties (29%). Above this entry. 0.75%–1.00%: 614 U.S. counties (20%). Above this entry. 1.00%–1.25%: 452 U.S. counties (14%). Above this entry. 1.25%–1.50%: 331 U.S. counties (11%). Above this entry. 1.50%–1.75%: 181 U.S. counties (6%). Above this entry. 1.75%–2.00%: 79 U.S. counties (3%). Above this entry. 2.00%–2.25%: 48 U.S. counties (2%). Above this entry. 2.25%–2.50%: 28 U.S. counties (1%). Above this entry. 2.50%–2.75%: 8 U.S. counties (0%). Above this entry. 2.75%–3.00%: 3 U.S. counties (0%). Above this entry. 3.00%–3.25%: 0 U.S. counties (0%). Above this entry. 3.25%–3.50%: 0 U.S. counties (0%). Above this entry. 3.50%–3.75%: 1 U.S. counties (0%). Above this entry. 3.75%–4.00%: 0 U.S. counties (0%). Above this entry. This county 0.00% 4.00% every U.S. county, bucketed by value

Each bar is a band; taller bars hold more U.S. counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2024

Alamosa County vs Benchmarks

Metric Alamosa County Colorado Avg U.S. Avg
Median Annual Tax $1,024 $2,602 $1,993
Effective Tax Rate 0.43% 0.48% 0.92%
Median Home Value $239,100 $539,400 $227,791

Source: U.S. Census Bureau, ACS 5-Year Estimates. Tax-burden differences across rows reflect millage decisions, assessment-ratio practices, and the residential-vs-commercial mix of each tax base.

Think your Alamosa County property tax bill is too high?

A successful appeal can lower your assessed value by 10-25%, cutting your annual tax bill by hundreds or thousands of dollars. Use our free Appeal Savings Estimator to project savings on your specific home, then read our step-by-step appeal guide for the exact procedure in Colorado.

Property Tax History

$850$900$950$1,000$1,050 20202021202220232024 $1,024
Median annual property tax in Alamosa County, 2020–2024 (ACS). Up +16% over the period.
Year Median Tax Effective Rate
2024 $1,024 +5.8% 0.43%
2023 $968 +2.5% 0.44%
2022 $944 +2.8% 0.48%
2021 $918 +3.8% 0.57%
2020 $884 0.58%

Tax Burden

Tax-to-Income Ratio
1.8%
of median household income
Median Income
$55,397
per year
Monthly Tax
$85
per month

Tax Affordability Score

10
Very Affordable

An effective rate far below the national average of 0.92% puts Alamosa County in the "Very Affordable" band for property tax burden.

Very Expensive Very Affordable

How this score is calculated: a 1-10 scale derived mechanically from the ratio of this county's effective rate to the national average effective rate (0.92%) - a ratio at or below 0.5× scores 10, a ratio at or above 2.0× scores 1, with a linear scale between. It is a factual comparison of Census figures only, not a recommendation, quality rating, or endorsement of Alamosa County or any other county.

Other Counties in Colorado

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Frequently Asked Questions

What is the average property tax in Alamosa County, Colorado?
The median annual property tax in Alamosa County is $1,024, an effective rate of 0.43% on a $239,100 median home (Census ACS, 2024).
How does Alamosa County property tax compare to the national average?
Property taxes in Alamosa County run well below the national median of $1,993, an effective rate of 0.43% versus 0.92% nationally.
What percentage of income goes to property taxes in Alamosa County?
Property taxes in Alamosa County run a bit below the commonly cited 2%-4% national benchmark, at about 1.8% of the $55,397 median household income.
Are property taxes increasing in Alamosa County?
Since 2023, property taxes in Alamosa County have ticked up 5.8%, from $968 to $1,024.

What this means in Alamosa County

How to use Alamosa County's property-tax numbers, for budgeting, comparison, or an appeal.

  • At Alamosa County's 0.43% effective rate, a $239,100 home implies about $1,024/yr, plug in your own home's value to estimate your bill. Estimate your bill
  • Alamosa County ranks #23 of 64 counties in Colorado by effective rate, compare it against the rest of the state before you judge your bill. Colorado overview
  • If your assessed value looks high relative to Alamosa County's typical home, you may have grounds to appeal, most jurisdictions have a filing window each year. How to appeal

Effective rate is the county median tax divided by the county median home value ($239,100); your parcel's assessed value, exemptions, and local levies determine your actual bill. U.S. Census Bureau ACS · 2024.

Data as of 2024. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates.

Property tax data reflects median amounts paid by homeowners. Effective rates are calculated as median tax divided by median home value.

PlainPropertyTax is rendered directly from the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, no number is typed in by an editor. This page draws directly on the Census ACS county-level record for Alamosa County. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-06-09.