Unshakable ZIP Data 59631 | Basin, MT Housing Market
Basin · Jefferson County · Helena, MT metro · Montana · Data updated June 19, 2026
The average single-family home value in ZIP 59631, Basin, Montana is $302,548.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $302,548 | |
| Median new listing price | $321,700 | -71.8% |
| National size rank | 28,304 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| New listings | 2 | +103.0% |
| Active listings | 2 | -32.5% |
| Pending sales | 1 |
These figures describe the single-family market for Basin, Montana ZIP 59631. They are market context, not a substitute for sold comps or a formal appraisal.