4 Mamdani blew off concerns that some New Yorkers are being wrongly targeted by the state’s new pied-à-terre tax. 4 Mamdani published the names and addresses of all property owners who could be hit with the new pied-à-terre tax. An Albany insider said the state gave the authority to Mamdani to impose the tax and City Hall took it from there. 4 An Albany insider said the state gave the authority to Mamdani to impose the tax and City Hall took it from there. Mamdani — who campaigned on government efficiency — was also asked whether anyone should have concerns about the tax being meted out fairly and accurately.