NYC Local Law 84: 2026 Deadline, Penalties & How to Stay Compliant

Local Law 84 (LL84) is New York City’s annual energy and water benchmarking requirement for covered buildings. If you own or manage a qualifying property in Brooklyn, Queens, Manhattan, the Bronx, or Staten Island, compliance is not optional — and the deadlines matter.

This guide explains LL84 requirements in 2026, who must file, when it’s due, and how penalties work.

Lower Manhattan skyline with One World Trade Center