Unshakable ZIP Data 11771 | Oyster Bay, NY Housing Market
Oyster Bay · Nassau County · New York-Newark-Jersey City, NY-NJ-PA metro · New York · Data updated June 19, 2026
The median sale price in ZIP 11771, Oyster Bay, New York is $1,799,466 at $490 per square foot. 7 single-family homes sold in the latest period, down 62.1 percent from a year earlier. Homes sit a median of 44 days on market with 11.8 months of supply. Sellers are getting 97.4 percent of list price and 28.6 percent of homes sold above asking.
Buyer leverage market. Negotiate hard.
Value anchors
| Metric | Value | Year over year |
|---|---|---|
| Average single-family value | $1,398,838 | |
| Average price per sq ft | $381 | |
| Median sale price | $1,799,466 | |
| Median sale price per sq ft | $490 | |
| Median home size | 3,672 sq ft | |
| Median new listing price | $1,536,863 | +2.5% |
| National size rank | 9,403 |
Sales activity
| Metric | Value | Year over year |
|---|---|---|
| Homes sold | 7 | -62.1% |
| Median days on market | 44 days | |
| Months of supply | 11.8 months | |
| New listings | 27 | -29.7% |
| Active listings | 41 | -39.5% |
| Pending sales | 13 | -62.4% |
Pricing power
| Metric | Value | Year over year |
|---|---|---|
| Average sale-to-list ratio | 97.4% | -1.8 pts |
| Share sold above list | 28.6% | +7.5 pts |
Bedroom value anchors
Average values by bedroom count. Value anchors for orientation, not appraisals.
2-bedroom
$758,513
3-bedroom
$969,214
4-bedroom
$1,344,249
5-bedroom
$2,578,598
These figures describe the single-family market for Oyster Bay, New York ZIP 11771. They are market context, not a substitute for sold comps or a formal appraisal.