Alamosa County, CO property tax rate
Alamosa County · Colorado · #23 of 64 in the state
Median annual property tax $1,024 · median home value $239,100
$1,024 a year · $85 a month using the area benchmark. Enter a value such as 350,000 or 350,000.00.
A rough planning estimate, not a tax quote.
Below the U.S. benchmark 0.94% (0.46×), below the Colorado benchmark 0.48%.
Ranked among 64 Colorado counties with available benchmarks.
What this benchmark means
Median real estate taxes paid ÷ median owner-occupied home value, ACS 2020–2024 — a ratio of two medians, not a statutory rate, not the median of individual bills and not your property's rate. Exemptions people already claim are reflected in the survey; your bill depends on taxable value, local districts, exemptions and reassessment after a sale.
Census figures behind this page
| Median real estate taxes paid | $1,024 |
|---|---|
| With a mortgage / without | $1,177 / $893 |
| Median home value | $239,100 |
| Median household income | $55,397 · tax is 1.8% of it |
| Median gross rent | $907 / mo |
| Owner-occupied | 56% of 6,648 homes |
| Population | 16,581 |
When it's due in Colorado
All states| First half | Due Feb 28 Late after Mar 1 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
|---|---|
| Second half | Due Jun 15 Late after Jun 16 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
| Late penalty | 1% per month interest beginning on day following delinquency date (C.R.S. § 39-10-104.5(3)) |
| Early-payment discount | none (single full payment option due 04-30 without penalty) |
| Appeal window | protest to county assessor by June 8 for real property (C.R.S. § 39-5-122) |
Taxpayers may pay in 2 halves (last day of Feb and June 15) or in one full payment on or before April 30. Regular annual schedule; tax year: calendar 2026, bills mailed January. Source: C.R.S. § 39-10-104.5, rules checked 2026-09-19. Confirm the amount and deadline on your official tax bill.
Colorado counties with a similar rate
All 64How this benchmark was computed
Median real estate taxes paid by owner-occupied households in Alamosa County ($1,024) divided by the median value of those homes ($239,100), both from the Census Bureau's American Community Survey 2020–2024 5-year estimates. It is a ratio of two medians — a reasonable area benchmark, not the assessor's mill rate and not any one household's rate. Newly purchased homes are often reassessed to sale price, so a buyer's first bill can run above it. Data & method