Nassau County, NY Housing Market Brief
county · NY · as of May 2026
What is Nassau County, NY’s Alpha Score?
The Alpha Score is a composite 0–100 index of market strength, a weighted blend of five dimensions. See the methodology.
Where is Nassau County, NY in its market cycle?
Nassau County, NY is classified as Mature — holding near a healthy peak. This is a classification of recent (1–12 month) momentum, not a price forecast.
Nassau County, NY housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $850K | ▲ +7.9% |
| Median Days on Market | 32 days | ▲ +14.3% |
| Months of Supply | 3.5 | ▲ +2.9% |
| Homes for Sale | 2,431 | ▼ -7.4% |
| Homes Sold | 702 | ▼ -10.1% |
| Median Price / Sq Ft | $524 | ▲ +6% |
| Sale-to-List Ratio | 100.8% | ▲ +0.1% |
How has Nassau County, NY’s Alpha Score moved?
Markets like Nassau County, NY
- Westchester County, NY, NYcounty48
- Rockland County, NY, NYcounty45
- Suffolk County, NY, NYcounty50
- Johnson County, IA, IAcounty53
- Somerset County, NJ, NJcounty47
- Dane County, WI, WIcounty50
- Hudson County, NJ, NJcounty45
- San Francisco County, CA, CAcounty44
- Honolulu County, HI, HIcounty42
- York County, ME, MEcounty51
Frequently asked questions
Is Nassau County, NY a buyer's or seller's market?
As of May 2026, Nassau County, NY is classified as a Balanced Market, based on its Alpha Score of 50 out of 100. The classification reflects current price, inventory, affordability, economic, and rental-yield conditions.
Are home prices rising or falling in Nassau County, NY?
The median sale price in Nassau County, NY is $850K, having risen 7.9% over the past year.
How affordable is Nassau County, NY?
Nassau County, NY scores 10 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Nassau County, NY's Alpha Score?
Nassau County, NY's strongest dimension is Economic Strength (83/100) and its weakest is Affordability (10/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Nassau County, NY? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.