Greenwich Avenue in Greenwich is the nation’s fifth most expensive street, based on average square-foot rent costs, according to JLL, a professional services firm that specializes in real estate and investment management.
The nation’s most expensive street is San Francisco’s Sand Hill Road, with average rents at $119.38 per square foot, followed by New York City’s Fifth Avenue ($116.04 per square foot); San Francisco”™s Mission Street ($93.68); and Cambridge, Massachusetts”™ Main Street ($90).