Union County, NJ Housing Market Brief
county · NJ · as of May 2026
What is Union County, NJ’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 Union County, NJ in its market cycle?
Union County, NJ is classified as Recovering — turning back up after a downturn. This is a classification of recent (1–12 month) momentum, not a price forecast.
Union County, NJ housing market data
| Metric | Value | YoY |
|---|---|---|
| Median Sale Price | $714K | ▲ +9.9% |
| Median Days on Market | 19 days | ▼ -5% |
| Months of Supply | 2.3 | ▲ +4.6% |
| Homes for Sale | 728 | ▼ -8.1% |
| Homes Sold | 310 | ▼ -12.4% |
| Median Price / Sq Ft | $434 | ▼ -3.2% |
| Sale-to-List Ratio | 105.1% | ▼ -1.8% |
How has Union County, NJ’s Alpha Score moved?
Markets like Union County, NJ
- Monmouth County, NJ, NJcounty44
- Fauquier County, VA, VAcounty47
- Providence County, RI, RIcounty47
- Hampshire County, MA, MAcounty45
- Cook County, IL, ILcounty51
- Washtenaw County, MI, MIcounty46
- Newport County, RI, RIcounty45
- Waukesha County, WI, WIcounty51
- York County, VA, VAcounty53
- Hunterdon County, NJ, NJcounty50
Frequently asked questions
Is Union County, NJ a buyer's or seller's market?
As of May 2026, Union County, NJ 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 Union County, NJ?
The median sale price in Union County, NJ is $714K, having risen 9.9% over the past year.
How affordable is Union County, NJ?
Union County, NJ scores 8 out of 100 on affordability — relatively unaffordable relative to local incomes and prevailing mortgage rates compared with other counties.
What's driving Union County, NJ's Alpha Score?
Union County, NJ's strongest dimension is Price Momentum (82/100) and its weakest is Affordability (8/100). The Alpha Score is a weighted blend of all five dimensions.
Want the live, interactive view of Union County, NJ? Open the full market dashboard — charts, ZIP-level drill-down, and watchlist tracking. Explore the map or read the methodology.