Landmark: Stuyvesant Square Historic District: Historic District. Regulation type: Certificate of No Effect. Work types: Filing any work, Non-occupiable Space: Buildings in a historic district, Rear yard decks, Wall mounted HVAC equipment on secondary facades, Interior Alterations, HVAC equipment and other mechanical equipment on rooftops or terraces over secondary facades, Through-wall HVAC equipment on non-visible secondary facades, No underpinning. Address: 217 EAST 17TH STREET. Community Board: MN-06. Issued: 2020-07-13. Expires: 2024-07-13. Applicant: Cortney Walleston. Owner: Janet Levinson.