53Alpha

St. Clair County, MI Housing Market Brief

county · MI · as of August 2026

Balanced

What is St. Clair County, MI’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 Momentum20%
+14.655
Inventory Health25%
+1.842
Affordability20%
-13.958
Economic Strength20%
56
Rental Yield15%
-14.959

Where is St. Clair County, MI in its market cycle?

EmergingGrowingMaturePeakingDecliningRecovering

St. Clair County, MI is classified as Mature holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.

What’s the forecast for St. Clair County, MI?

Our model forecasts St. Clair County, MI’s home prices to rise about 8.3% over the next 12 months (high confidence).

This is a separate, forward-looking view — not the cycle classification above. See how past forecasts performed on the track record, or the full local forecast with its confidence range on the market page.

St. Clair County, MI housing market data

MetricValueYoY
Median Sale Price$279K▲ +7.4%
Median Days on Market19 days▲ +18.8%
Months of Supply2.6▲ +30%
Homes for Sale480▲ +10.3%
Homes Sold193-12.3%
Median Price / Sq Ft$172▲ +2.8%

How has St. Clair County, MI’s Alpha Score moved?

Now: 53
12-period trend
Median sale price · 12 mo

Markets like St. Clair County, MI

Frequently asked questions

Is St. Clair County, MI a buyer's or seller's market?

As of August 2026, St. Clair County, MI is classified as a Balanced Market, based on its Alpha Score of 53 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.

Are home prices rising or falling in St. Clair County, MI?

The median sale price in St. Clair County, MI is $279K, having risen 7.4% over the past year.

How affordable is St. Clair County, MI?

St. Clair County, MI scores 58 out of 100 on affordability — moderately affordable relative to local incomes and prevailing mortgage rates compared with other counties.

What's driving St. Clair County, MI's Alpha Score?

St. Clair County, MI's strongest dimension is Rental Yield (59/100) and its weakest is Inventory Health (42/100). The Alpha Score is a weighted blend of all five dimensions.

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