 However, the Sandses' lots that are located within the historic district were not developed residentially until the mid-1830s to the early 1850s.In the 1800s and 1810s, the area started developing faster.In the late 1830s and early 1840s, the heirs of John Jackson sold off their estate's remaining lots on Hudson Avenue, which were developed individually or in small groups in the 1840s and 1850s with houses that have Greek Revival and Italianate characteristics because of the associations with Athenian democracy.