Unshakable ZIP Data 20818 | Cabin John, MD Housing Market
Cabin John · Montgomery County · Washington-Arlington-Alexandria, DC-VA-MD-WV metro · Maryland · Data updated June 19, 2026
The median sale price in ZIP 20818, Cabin John, Maryland is $547,337 at $484 per square foot. 4 single-family homes sold in the latest period, down 17.6 percent from a year earlier. Homes sit a median of 26 days on market with 4.8 months of supply. Sellers are getting 99.3 percent of list price and 0.0 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,322,027 | |
| Average price per sq ft | $1,168 | |
| Median sale price | $547,337 | |
| Median sale price per sq ft | $484 | |
| Median home size | 1,132 sq ft | |
| Median new listing price | $1,437,710 | +11.9% |
| National size rank | 18,514 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 4 | -17.6% |
| Median days on market | 26 days | |
| Months of supply | 4.8 months | |
| New listings | 11 | -6.9% |
| Active listings | 12 | -6.5% |
| Pending sales | 4 | -49.3% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 99.3% | -5.1 pts |
| Share sold above list | 0.0% | -60.0 pts |
These figures describe the single-family market for Cabin John, Maryland ZIP 20818. They are market context, not a substitute for sold comps or a formal appraisal.