St. Mary's County, MD Housing Market Brief
county · MD · score computed October 2026
What is St. Mary's County, MD’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Population band 5 of 5 (population 103,008–9,808,667) · comparable within its band
Where is St. Mary's County, MD in its market cycle?
St. Mary's County, MD 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 St. Mary's County, MD?
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.
St. Mary's County, MD housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $419K | ▲ +3.5% | Redfin |
| Median Days on Market | 41 days | ▼ -2.4% | Redfin |
| Months of Supply | 3.5 | ▲ +52.2% | Redfin |
| Homes for Sale | 337 | ▲ +8.7% | Redfin |
| Homes Sold | 96 | ▼ -27.8% | Redfin |
| Median Price / Sq Ft | $199 | ▼ -4.3% | Redfin |
How has St. Mary's County, MD’s Alpha Score moved?
Markets like St. Mary's County, MD
Frequently asked questions
Is St. Mary's County, MD a buyer's or seller's market?
In the scores computed October 2026, St. Mary's County, MD is classified as a Balanced Market, based on its Alpha Score of 43 out of 100. The classification reflects current price, building, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in St. Mary's County, MD?
The median sale price in St. Mary's County, MD is $419K, having risen 3.5% over the past year, according to Redfin.
How affordable is St. Mary's County, MD?
St. Mary's County, MD scores 32 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving St. Mary's County, MD's Alpha Score?
St. Mary's County, MD's strongest dimension is Price Momentum (74/100) and its weakest is Inventory Health (22/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of St. Mary's County, MD? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.