*Fully Approved, Shovel-Ready Limestone Townhouse Off Park Avenue* 105 East 64th Street is a fully approved, shovel-ready redevelopment opportunity for end users or developers to create a world-class, limestone single-family townhouse. Situated on a distinguished tree-lined block just off Park Avenue, this home is located in one of the Upper East Side's most coveted neighborhoods. All approvals for the current plans (including Landmarks, DOB, structural, mechanical, plumbing, sprinkler, architectural, and foundation work) have been obtained, with new water service, storm and sewer connections in place, and electric and gas services filed with ConEd. Exterior protection is currently installed, supporting efficient mobilization following closing. The proposed building would span over 9,100 gross square feet across seven beautifully proportioned levels. The approved plans envision a six-bedroom, seven-bathroom, two-half-bathroom single-family home that combines timeless architecture with modern functionality. A custom commercial-grade elevator, multi-story feature stairwell, and integrated service and storage areas provide exceptional flow for both entertaining and everyday living The approved plans also include over 1,500 square feet of private outdoor space, encompassing a 30-foot-deep rear garden, a deeded front yard, multiple private terraces across the fifth and sixth levels, and a landscaped rooftop retreat with an outdoor kitchen and water feature. The layout balances grand entertaining spaces with intimate private quarters across its seven proposed floors. - Lower Level: Wellness and recreation floor featuring a fully equipped gym, a temperature-controlled wine cellar, a full bathroom, dedicated staff laundry and linen storage, storage rooms, and direct access to the rear garden. - Parlor Level: Elegant entry foyer with package room and mudroom leads to a discreet powder room, gourmet kitchen with pantry and wet bar, and an open-concept family room opening directly to the rear garden. -Second Floor: Formal dining room and drawing room with a secondary pantry and bar for refined entertaining. - Third Floor: Full-floor primary suite with a grand bedroom, private study, spa-like bathroom, and expansive dressing room. - Fourth & Fifth Floors: Secondary and guest suites, each with ensuite baths, walk-in closets, and access to private terraces on the fifth floor. - Sixth Floor: Lounge and home theatre with wet bar, powder room, and terrace overlooking the rear garden. - Rooftop: Landscaped terrace featuring an outdoor kitchen, water feature, and skyline views. Designed with smart-home infrastructure for a centralized management system integrating lighting, climate, window treatments, security, AV, and irrigation. Multi-zone HVAC, radiant-floor heating, and humidity control ensure year-round comfort, supported by a fully engineered and approved mechanical framework that is design-ready for implementation. Architectural design details include a limestone facade, high-performance steel windows, and a Rheinzink mansard roof, with masonry and limestone cladding along the rear and sides. Hand-laid stone paving would enhance the front and rear gardens. The projected build timeline is approximately 16 to 20 months. Property Highlights: - Lot: 20'-10? x 100'-5? (approx. 2,092 SF) - Approved for: 9,104 GSF (existing 7,570 GSF) - Configuration: 6 Bedrooms 7 Full Bathrooms 2 Half Bathrooms - Outdoor: Rear yard, terraces on the 5th & 6th floors, full rooftop kitchen & water feature - Smart Building Systems: Multi-zone HVAC, radiant floors, humidity control - Approvals: Landmarks, DOB, structural, mechanical, plumbing, and electrical A complete procurement package is available by request.