The operators of a luxury hotel in lower Manhattan wanted to remodel their lobby, but the city’s Department of Buildings stood in the way, voicing concern that the building’s existing certificate didn’t allow for the proposed renovations.

Martin, Mayor Adams’ recently resigned chief adviser, used her influence for years to expedite construction projects on behalf of two real estate moguls who in exchange gave her son $100,000 for a Porsche and pledged to invest in his business ventures,