What the Pros Know
Market Snapshot
Zip Code 11557 | Nassau County, NY
8,290
Population
YoY
202240.1
Median Age
YoY
2022$162,266
Median Household Income
YoY
2022$832,600
Median Sale Price
4.7% MoM
9.5% YoY
6/202519
Homes Sold
5.0% MoM
9.5% YoY
6/20251.5
Months Inventory
13.4% MoM
30.9% YoY
6/202544
Days on Market
4 MoM
2 YoY
6/202528
Listings
7.7% MoM
20.0% YoY
6/2025496
Price per Sq Ft
19.1% MoM
2.7% YoY
6/2025
See 11557 on Zillow
1. Population Data from U.S. Census Bureau.
2. Sales Data provided by Redfin, a national real estate brokerage.
MoM = Month over Month. The percentage change from the previous month to the current month.
YoY = Year over Year. The percentage change from the same period the previous year to the current period.