46Alpha

Costilla County, CO Housing Market Brief

county · CO · score computed October 2026

Balanced

What is Costilla County, CO’s Alpha Score?

The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.

Price Momentum—No data
—
Inventory Health31%
●100

Population band 1 of 5 (population 475–9,803) · comparable within its band

Affordability25%
●9
Economic Strength25%
●5
Rental Yield19%
●59

Where is Costilla County, CO in its market cycle?

EmergingGrowingMaturePeakingDecliningRecovering

Costilla County, CO is classified as Declining — cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.

What’s the forecast for Costilla County, CO?

County-level forecasts are paused (since Oct 18, 2026). The new public-data model we built to replace them didn't pass our accuracy test, and we won't publish forecasts again until a model does.

Costilla County, CO housing market data

MetricValueYoYSource
Median Sale Price$284K▲ +13.8%Redfin
Median Days on Market123 days▲ +9.8%Redfin
Months of Supply19.6▲ +317%Redfin
Homes for Sale60▲ +15.4%Redfin
Homes Sold3▼ -72.7%Redfin
Median Price / Sq Ft$237▲ +45.4%Redfin

How has Costilla County, CO’s Alpha Score moved?

Now: 46
2-period trend
Median sale price · 12 mo

Markets like Costilla County, CO

Frequently asked questions

Is Costilla County, CO a buyer's or seller's market?

In the scores computed October 2026, Costilla County, CO is classified as a Balanced Market, based on its Alpha Score of 46 out of 100. It is based on the 4 of five dimensions we can measure for this market — building, affordability, economic, and rental-yield — whose weights are scaled up to cover the whole score. The rest are not measured here and are left out rather than filled in with a placeholder.

Are home prices rising or falling in Costilla County, CO?

The median sale price in Costilla County, CO is $284K, having risen 13.8% over the past year, according to Redfin.

How affordable is Costilla County, CO?

Costilla County, CO scores 9 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.

What's driving Costilla County, CO's Alpha Score?

Costilla County, CO's strongest dimension is Inventory Health (100/100) and its weakest is Economic Strength (5/100). The Alpha Score is a weighted blend of five dimensions; 4 of them have data for this market.

Want the live, interactive view of Costilla County, CO? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.