this list of tallest buildings in jersey city ranks skyscrapers and high-rises in the u.s. city of jersey city, new jersey by height. the tallest building in jersey city is the 79-story 99 hudson street, which topped out at in september 2018. it is currently the tallest building in new jersey and 41st tallest building in the united states. the 42-story 30 hudson street, known widely as the "goldman sachs tower", which rises and was completed in 2004 is the second tallest building in jersey city. it is currently the 81st-tallest building in the united states, and the second tallest building in the state of new jersey. the third-tallest skyscraper in jersey city is the 69-story urby harborside tower i at . ten of the twenty tallest buildings in new jersey are located in jersey city. with a population of less than 275,000, jersey city is the least populous city in the u.s. with a building over .