Unshakable ZIP Data 11730 | East Islip, NY Housing Market
East Islip · Suffolk County · New York-Newark-Jersey City, NY-NJ-PA metro · New York · Data updated June 19, 2026
The median sale price in ZIP 11730, East Islip, New York is $749,777 at $481 per square foot. 24 single-family homes sold in the latest period, up 3.0 percent from a year earlier. Homes sit a median of 21 days on market with 3.2 months of supply. Sellers are getting 103.5 percent of list price and 73.9 percent of homes sold above asking.
Balanced market.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $739,246 | |
| Average price per sq ft | $474 | |
| Median sale price | $749,777 | |
| Median sale price per sq ft | $481 | |
| Median home size | 1,559 sq ft | |
| Median new listing price | $683,655 | -2.2% |
| National size rank | 8,563 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 24 | +3.0% |
| Median days on market | 21 days | |
| Months of supply | 3.2 months | |
| New listings | 45 | +59.5% |
| Active listings | 53 | +17.1% |
| Pending sales | 28 | +18.3% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 103.5% | -2.3 pts |
| Share sold above list | 73.9% | -8.7 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$562,741
3-bedroom
$725,614
4-bedroom
$827,947
5-bedroom
$945,111
These figures describe the single-family market for East Islip, New York ZIP 11730. They are market context, not a substitute for sold comps or a formal appraisal.