Who is covered
New construction and substantial facade renovations filed on or after January 10, 2021.
What the law requires
- Use bird-friendly glazing (fritted, patterned, or etched) with a Threat Factor of 25 or less on the lower 75 feet of facade.
- Apply bird-friendly treatment to any glazing within 12 feet of a vegetated roof or water feature.
- Document compliance in DOB construction filings.
Filing frequency and deadlines
Penalty structure
Non-compliance with LL15 can result in the following penalties:
- DOB will not issue CO/TCO for non-compliant glazing installations.
Exemptions
- R-3 one- and two-family dwellings.
- Alterations that don't substantially replace exterior glazing.
Recent updates and amendments
DOB clarified which glazing products qualify and updated the approved product list.
Reference
Official source: NYC DOB — Bird-Friendly Buildings
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