Mount Vernon, NY Short-Term Rentals: Night Caps (2026)

There is no Mount Vernon ordinance setting a maximum number of short-term rental nights per year (such as the 90-day or 180-day caps used in other jurisdictions). Instead, the binding rule comes from state law: NY Multiple Dwelling Law section 4(8) defines permanent residence as occupancy by the same person or family for thirty consecutive days or more, and Class A multiple dwellings (apartment houses, tenements, and other buildings with three or more units occupied for permanent residence) cannot lawfully be rented for less than 30 days unless the permanent occupant remains present and no compensation is paid to that occupant for incidental hosting. Mount Vernon's housing stock is dominated by Class A multiple dwellings, so unhosted whole-unit STRs in apartment buildings are categorically prohibited regardless of how many nights per year. One- and two-family homes are not Class A multiple dwellings and are not bound by the 30-day floor, but they remain subject to Chapter 198 property registration, Chapter 211 if used as a rooming house, and the proposed Chapter 267 Article XV permit. Verify current status with the Department of Buildings at 914-665-2483.