New York City officials announced Thursday the start of a new levy aimed at high‑value secondary residences. The measure, known as the pied‑à‑terre tax, will apply to owners of pricey second homes within the city limits. State authorities said they will also begin actively monitoring these owners for possible tax‑avoidance fraud.

The city’s tax targets individuals who claim primary residence elsewhere but maintain an expensive secondary dwelling in New York. By imposing the levy, officials hope to close gaps that allow some property owners to sidestep local and state income taxes. In addition, the tax is intended to address concerns that such owners may avoid higher car‑insurance premiums that apply to residents.

New York State officials added that they will look for evidence that owners are actually spending the majority of their time in the city, rather than elsewhere. The state’s oversight will focus on detecting patterns that suggest false residency claims, with the goal of ensuring compliance with both municipal and state tax obligations.

City leaders described the tax as a step toward fairness in the housing market, arguing that secondary owners benefit from city services and infrastructure while often contributing less than full‑time residents. The policy follows a broader effort to address affordability and revenue challenges faced by the city.

State agencies plan to coordinate with city tax officials to share data and identify potential violations. While details of enforcement procedures were not disclosed, the announcement signals a joint municipal‑state approach to curb tax avoidance linked to luxury second homes. The tax and accompanying oversight are set to take effect later this year, with officials indicating that compliance checks will be ongoing.

The initiative reflects a coordinated response to perceived loopholes that allow affluent property owners to benefit from city amenities without bearing the full tax burden associated with primary residency.