Union County, NJ Housing Market Brief
county · NJ · score computed October 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.
Population band 5 of 5 (population 103,008–9,808,667) · comparable within its band
Where is Union County, NJ in its market cycle?
Union County, NJ is classified as Declining — cooling, with scores declining over recent months. This is a classification of recent (1–12 month) momentum, not a price forecast.
What’s the forecast for Union County, NJ?
County-level forecasts are paused (since Oct 18, 2026). The new public-data model we built to replace them didn't pass our accuracy test, and we won't publish forecasts again until a model does.
Union County, NJ housing market data
| Metric | Value | YoY | Source |
|---|---|---|---|
| Median Sale Price | $659K | ▲ +3.2% | Redfin |
| Median Days on Market | 27 days | ▼ -10% | Redfin |
| Months of Supply | 2.9 | ▲ +26.1% | Redfin |
| Homes for Sale | 974 | ▲ +23.5% | Redfin |
| Homes Sold | 330 | ▼ -2.1% | Redfin |
| Median Price / Sq Ft | $411 | ▼ -3% | Redfin |
How has Union County, NJ’s Alpha Score moved?
Markets like Union County, NJ
- Monmouth County, NJ, NJcounty45
- Umatilla County, OR, ORcounty43
- Garfield County, CO, COcounty43
- Morris County, NJ, NJcounty46
- York County, ME, MEcounty49
- Hawaii County, HI, HIcounty46
- Waukesha County, WI, WIcounty47
- Queens County, NY, NYcounty35
- Kenai Peninsula Borough, AK, AKcounty43
- Bergen County, NJ, NJcounty48
Frequently asked questions
Is Union County, NJ a buyer's or seller's market?
In the scores computed October 2026, Union County, NJ is classified as a Balanced Market, based on its Alpha Score of 43 out of 100. The classification reflects current price, building, 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 $659K, having risen 3.2% over the past year, according to Redfin.
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 (69/100) 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.