What went wrong with Mamdani's pied-à-terre tax rollout?

This week, New York City sent letters to 17,000 homeowners who may have to pay a non-primary residence tax, or pied-à-terre tax, starting next year. The tax played a role in closing the city's budget deficit earlier this year and helped Mayor Zohran Mamdani deliver on his campaign promise of taxing the rich. But some city homeowners are blasting this week's notification rollout, calling it…