18 Columbus Ave Bring your vision to one of Valhalla's most unique development opportunities. This offering includes an existing single-family home, four separately deeded tax lots, and approximately 1.20 acres (52, 272 SF) in a sought-after Westchester location. Property Highlights ? Existing single-family residence included ? Approximately 1.20 acres (52, 272 SF) ? Four separately deeded tax lots ? Public sewer, water, gas & electric available ? R10 zoning ? Updated topographic survey completed ? Conceptual development plans available Whether you're looking to renovate the existing home, build a custom residence, or explore future residential development, this property offers exceptional flexibility. A conceptual layout illustrating three new homes while retaining the existing residence is available for reference. Buyers should conduct their own due diligence regarding future development and approvals. Location Highlights ? Less than 1 hour from New York City ? Easy access to Metro-North & major highways ? Top-rated schools ? Minutes from Kensico Dam Plaza, parks & local amenities Conceptual plans, survey, and supporting materials available upon request.