Apartments For Rent Ulster County . Start your free search for apartments today. Some apartments for rent in ulster county might offer rent specials. 27 Spring St, Kingston, NY 5 Bed MultiFamily Home 17 Photos Trulia from www.trulia.com Today's average rental price for two bedrooms here is $2,400. Find your next ulster county apartment. Explore rentals by neighborhoods, schools, local guides and more on trulia!