Mosca, Alamosa County, Colorado Property Taxes
Property Taxes in Mosca, Colorado
Median Mosca, 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 Mosca, Colorado home value: $98,357
Median annual Mosca, Colorado tax bill: $275, $2,125 lower and lower than the national median property tax bill of $2,400.
How are property taxes in Alamosa calculated?
Property taxes in Mosca, 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 Mosca's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Mosca, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Mosca, 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
$364
$338
How Does the Mosca Property Tax Calculator Work?
Use this Mosca property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Mosca'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 appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Mosca'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 Mosca: rates range from 0.37% in 81146 to 0.37% in 81146, 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 Mosca.
About Mosca Property Taxes
About Property Taxes in Mosca, Alamosa, Colorado
Mosca’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 base levy combined with local school district levies and metro districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Mosca. Homeowners in the 81146 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 Mosca you live in can make a meaningful difference to your annual tax bill.
Mosca 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 Mosca, 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 Mosca'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 Mosca 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 Mosca, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81146 | 0.14% | 0.25% | 0.37% | 0.48% | 0.48% |
Source: Ownwell
Property Tax Assessment Values Across Mosca, Alamosa County, Colorado
When examining property taxes in Mosca, 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. For example, the median home price in Mosca is $98,357, with a median tax bill of $275. The 25th percentile tax bill is $71, while the 75th percentile is $816 and the 90th percentile is $1,387. The highest median home price is in 81146 at $98,357.
Property Tax Assessment Values Across Mosca, Alamosa County, Colorado
Source: Ownwell
$23,933
$144,058
$264,183
Median Mosca Market Value
$98,357
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 Mosca, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81146 | $4,348 | $17,026 | $98,357 | $233,249 | $325,612 |
Source: Ownwell
Property Tax Bills Across Mosca, Alamosa County, Colorado
Property tax bills in Mosca are based on the assessed value of a home, not its market value, and the local tax rate applied to that assessment. For homeowners, that means the bill can change when property values or taxing rates change, even if the home itself has not. In Alamosa County, the median home price is $98,357, which helps show how property taxes are tied to local home values.
Mosca homeowners typically see tax bills that vary widely depending on the property and its assessment. The 25th percentile tax bill is $71, while the 75th percentile is $816 and the 90th percentile is $1,387. The median tax bill is $275 in zip code 81146. Compared with the national median property tax bill of $2,400, Mosca’s bills are much lower, which can make homeownership more affordable for many residents.
Median Mosca Tax Bill
$275
Median Alamosa County Tax Bill
$589
Median Colorado Tax Bill
$2,732
Median United States Tax Bill
$2,400
Property Tax Bills Across Mosca, Alamosa County, Colorado
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 81146 | $24 | $71 | $275 | $816 | $1,387 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 8 |
Links | |
|---|---|
| Alamosa Tax Assessor | |
| Website | qpublic.schneidercorp.com |