Welcome to the Upper East Side Real Estate Apartment Buildings and Management Companies section listing apartment buildings and management companies focused in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Be sure to hold your mouse over bold italicized listings for a special pop-up description. If you are interested in assistance with finding an apartment to buy or rent, fill out a form on our UES Apartments page, and we will be back to you shortly.