5th Ave Penthouse – Master bedroom By nycinteriordesign|2019-03-12T16:44:17-04:00March 12th, 2019| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail About the Author: nycinteriordesign NYC Interior Design is a full service high end residential firm. We specialize in penthouses, landmarks, townhouses and estates throughout the tri-state region.