Alamosa, Alamosa County, Colorado Property Taxes
Property Taxes in Alamosa, Colorado
Median Alamosa, Colorado effective property tax rate: 0.37%, significantly lower than the national median of 1.02%, and lower than the Colorado state median of 0.50%.
Median Alamosa, Colorado home value: $193,608
Median annual Alamosa, Colorado tax bill: $618, lower than the national median property tax bill of $2,400.
How are property taxes in Alamosa calculated?
Property taxes in Alamosa, Colorado are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Alamosa's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Alamosa, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Alamosa, Alamosa County, Colorado Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.37%
Estimate Property Tax Bill
$716
$665
How Does the Alamosa Property Tax Calculator Work?
Use this Alamosa property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Alamosa's median effective tax rate of 0.37% — based on actual property records in Alamosa County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Alamosa's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Alamosa: rates range from 0.37% in 81101 to 0.37% in 81101, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Alamosa.
About Alamosa Property Taxes
About Property Taxes in Alamosa, Alamosa, Colorado
Alamosa's median effective property tax rate of 0.37% is lower than the Colorado state median of 0.50% and lower than the national median of 1.02%. This rate reflects the Alamosa County levy combined with local school district levies and metro districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Alamosa. Homeowners in the 81101 ZIP code carry a median effective rate of 0.37%, while those in the same ZIP code pay 0.37%. This spread reflects how school district boundaries and local assessment districts are drawn across Alamosa County. Understanding which part of Alamosa you live in can make a meaningful difference to your annual tax bill.
Alamosa homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 1, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Alamosa, Alamosa County, Colorado
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Alamosa's effective property tax rate to other cities in Colorado and the median property tax rates in Colorado and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Alamosa Tax Rate
0.37%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Alamosa County Tax Rate
0.37%
Median Effective Colorado Tax Rate
0.50%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Alamosa, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81101 | 0.19% | 0.28% | 0.37% | 0.42% | 0.54% |
Source: Ownwell
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
When examining property taxes in Alamosa, Colorado, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Alamosa County assessor estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Alamosa County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Alamosa.
For example, the median home price in Alamosa is $193,608, with tax bills ranging significantly across the county. 81101 has the highest median home price at $193,608.
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
Source: Ownwell
$23,933
$144,058
$264,183
Median Alamosa Market Value
$193,608
Median Alamosa County Market Value
$189,165
Median Colorado Market Value
$519,879
Median United States Market Value
$235,294
Property Tax Assessment Values Across Alamosa, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81101 | $8,395 | $98,089 | $193,608 | $279,742 | $380,657 |
Source: Ownwell
Property Tax Bills Across Alamosa, Alamosa County, Colorado
Property tax bills in Alamosa are based on the assessed value of a home, not its market price. Local taxing authorities apply tax rates to that assessment to determine the annual bill, and the amount can vary depending on where the property is located and which local services fund the taxes.
For homeowners, this means a higher assessed value can lead to a higher tax bill, while a lower assessment may reduce what is owed. In Alamosa, the median home price is $193,608, and the median tax bill is $618, which is well below the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Tax bills in the area also vary widely. The 25th percentile tax bill is $197, while the 75th percentile is $1,038 and the 90th percentile reaches $1,555. That range shows how much property taxes can differ from one homeowner to another, even within the same city.
Median Alamosa Tax Bill
$618
Median Alamosa County Tax Bill
$589
Median Colorado Tax Bill
$2,732
Median United States Tax Bill
$2,400
Property Tax Bills Across Alamosa, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81101 | $44 | $197 | $618 | $1,038 | $1,555 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Alamosa Tax Assessor | |
| Website | qpublic.schneidercorp.com |