Q: What is a legal bedroom?
A: It must have light and ventilation. Must have a window overlooking a street or garden. Lot line Windows do not count. Lot line windows are windows on sides of building that might be blocked by construction next door.
Q: What are lot line windows?
A: A window existing on the wall of a building that is on or in close proximity to the interior or side property lines of a building.
If adjacent property owner constructs a building that blocks the lot line window, that window will likely have to be closed if it's within 30 feet of the lot line window.
Review Offering Plan, "Special Risks" section to determine if Lot Line windows are present.
What is A Room in NYC Apartments
New York City Apartment Terminology A to Z
New York City Building Terminology