How many homes are for sale in Union County, NJ?

There are 728 homes for sale in Union County, NJ as of May 2026, 8% fewer than a year ago.

728

For sale now

▼ 8% vs last year

473

Newly listed

310

Homes sold

▼ 12% vs last year

2.3

Months of supply

473 homes came on the market during May 2026, and 310 sold. More homes are arriving than leaving, so the number for sale is building.

At this pace it would take about 2.3 months to sell every home currently listed. There are more buyers than homes for sale. Sellers have the edge.

A count like this moves with the season everywhere in the country — listings build through spring and thin out over the winter. The number worth watching is how it compares to the same month a year ago, which is why we show that too.

Source: Redfin's published market data for the Union County, NJ area, through May 2026.

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More about the Union County, NJ market

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Figures come from Redfin's published market data for the Union County, NJ area, through May 2026. Neighborhood Numbers is an independent data publisher and is not affiliated with Redfin. We update these pages when Redfin publishes, once a month.