Terrace on Walnut apartments January 10, 2018 0 Facebook Twitter Google+ Pinterest WhatsApp The new Terrace on Walnut apartments at 1721 Walnut opened just over a week ago. 1721 Walnut St. | 38 apartments | Cost: $7.9 million | Opened December 2017 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)MoreClick to share on Reddit (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)