2,560 overtime hours — the most of any city employee — drove his earnings above the mayor and most of the city’s roughly 350,000 municipal workers.
City permit records show Markowski was also running two private plumbing businesses, raising questions about compliance with safety rules for work involving gas pipes.
NYCHA’s strained system helps explain heavy overtime: nearly 300,000 residents live in more than 240 developments, and the agency says repairs and upgrades require tens of billions of dollars.