Unshakable ZIP Data 49831 | Foster City, MI Housing Market
Foster City · Dickinson County · Iron Mountain, MI-WI metro · Michigan · Data updated June 19, 2026
The median sale price in ZIP 49831, Foster City, Michigan is $356,894 at $163 per square foot. 1 single-family homes sold in the latest period, down 48.5 percent from a year earlier. Homes sit a median of 172 days on market with 3.2 months of supply. Sellers are getting 97.8 percent of list price and 0.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $171,772 | |
| Average price per sq ft | $79 | |
| Median sale price | $356,894 | |
| Median sale price per sq ft | $163 | |
| Median home size | 2,185 sq ft | |
| National size rank | 24,626 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 1 | -48.5% |
| Median days on market | 172 days | |
| Months of supply | 3.2 months | |
| Active listings | 2 | +1.3% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 97.8% | +3.7 pts |
| Share sold above list | 0.0% | 0.0 pts |
These figures describe the single-family market for Foster City, Michigan ZIP 49831. They are market context, not a substitute for sold comps or a formal appraisal.