Unshakable ZIP Data 11939 | Suffolk County, NY Housing Market
Suffolk County · New York-Newark-Jersey City, NY-NJ-PA metro · New York · Data updated June 19, 2026
The median sale price in ZIP 11939, Suffolk County, New York is $1,064,184 at $536 per square foot. 4 single-family homes sold in the latest period, down 31.4 percent from a year earlier. Homes sit a median of 74 days on market with 8.8 months of supply. Sellers are getting 100.0 percent of list price and 25.0 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,190,876 | |
| Average price per sq ft | $599 | |
| Median sale price | $1,064,184 | |
| Median sale price per sq ft | $536 | |
| Median home size | 1,986 sq ft | |
| Median new listing price | $1,388,134 | +30.7% |
| National size rank | 21,671 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 4 | -31.4% |
| Median days on market | 74 days | |
| Months of supply | 8.8 months | |
| New listings | 11 | -20.2% |
| Active listings | 19 | -12.5% |
| Pending sales | 4 | -42.1% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 100.0% | +0.6 pts |
| Share sold above list | 25.0% | -8.3 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
3-bedroom
$1,162,691
These figures describe the single-family market for Suffolk County, New York ZIP 11939. They are market context, not a substitute for sold comps or a formal appraisal.