New York City is moving forward with its newly enacted pied-à-terre tax, with the first surcharge notices expected to be sent to owners of luxury second homes by August 30. The city's Department of Finance (DOF) has published proposed guidelines outlining the enforcement of the tax, which targets unoccupied residential properties valued at $5 million or more for one-to-three-family homes, and $1 million or more for co-ops and condominiums.

The DOF will inform owners of eligible secondary residences by the end of August. The department possesses subpoena power and can conduct audits dating back six years to verify a property's tax status. Owners found to have provided false, inaccurate, or misleading information to evade the tax may face a fine equal to 50% of their pied-à-terre tax bill. This measure aims to discourage "gamesmanship" by property owners attempting to avoid the levy.

City officials estimate the pied-à-terre tax will generate between $340 million and $500 million annually from approximately 10,000 luxury second homes. The tax rates vary: one-to-three-family homes will be subject to a surcharge between 0.8% and 1.3% of their value, while co-ops and condominiums will face rates from 4% up to 6.5% for properties exceeding $5 million. Real estate insiders suggest the higher rates for co-ops and condos are intended to account for potential undervaluation within the city's property assessment system.

Owners will have 30 days to appeal or challenge their tax bills, with appeals to be directed to the city’s Tax Commission or, in some instances, the DOF. The tax, approved by the state Legislature, is set to lapse in 2031 unless renewed.

Concerns have been raised by the real estate industry regarding the complexity of implementation and potential unintended consequences. Zachary Steinberg, executive vice president of external relations & advocacy at the Real Estate Board of New York, expressed worries that "many New Yorkers—particularly cooperative apartment owners who were never intended to be affected—may be hit with unexpected tax bills and little time to appeal."

The proposed rules are subject to a public comment period closing July 9. While some public comments have expressed opposition, viewing the tax as detrimental to attracting wealthy residents, others, like licensed real estate agent Mohamed Fathelbab, believe the tax will not deter millionaires and billionaires and will provide significant revenue for the city. The administration has highlighted specific cases, such as billionaire Citadel CEO Ken Griffin's city property, as examples eligible for the tax.