Websep 14, 2024 · 451 single family homes for sale in union county nj. View pictures of homes, review sales history, and use our detailed filters to find the perfect place. Web515 17th st #1, union city, nj 07087 is an apartment unit listed for rent at $2,400 /mo. The 1,200 square feet unit is a 2 beds, 1 bath apartment unit. View more property details,. Webthere are 1,928 homes for sale in union county, nj, 1 of which were newly listed within the last week. Additionally, there are 439…