What the Pros Know
Market Snapshot
Zip Code 11803 | Nassau County, NY
30,298
Population
YoY
202244.9
Median Age
YoY
2022$179,197
Median Household Income
YoY
2022$950,000
Median Sale Price
1.0% MoM
0.5% YoY
6/202579
Homes Sold
23.4% MoM
12.2% YoY
6/20250.4
Months Inventory
38.7% MoM
42.2% YoY
6/202522
Days on Market
2 MoM
5 YoY
6/202531
Listings
24.4% MoM
20.5% YoY
6/2025547
Price per Sq Ft
4.8% MoM
0.4% YoY
6/2025
See 11803 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.