2025 New York Energy Code Overview New York State is rolling out the 2025 Energy Conservation Construction Code of New York State (ECCCNYS), which takes effect on December 31, 2025 with no grace period. Any project submitted or postmarked after that date must comply with the new code. The 2025 ECCCNYS is based on the 2024 International Energy Conservation Code (IECC) with New York specific amendments that significantly increase requirements for energy efficiency, electrificat

A quick update to our recent post on NYC Local Law 87 (LL87) compliance. NYC DOB has issued a Service Notice extending the 2025 Energy Efficiency Report (EER) submission deadline from 12/31/2025 to 3/31/2026.   What this means for building owners (2025 filing year) If your building is required to demonstrate compliance in 2025 (Admin Code §28-308.2), your EER is now due: March 31, 2026, and per usual, failure to submit by the due date will result in penalties: $3,000 for the