- J-51 Deadline: December 15 - (Sun Dec 15, 2019)
- RSA Seminar: Managing Rent Regulated Property: The Rent Laws of 2019 - (Wed Dec 18, 2019)
- Christmas Day - (Wed Dec 25, 2019)
- Filing Deadline for Labor Cost Adjustments - (Tue Dec 31, 2019)
- Local Law 87 Deadline - (Tue Dec 31, 2019)
- Annual Elevator Inspection Deadline for 2019 - (Wed Jan 1, 2020)
- Local Law 87 - (Wed Jan 1, 2020)
- January 1 - New Year’s Day - (Wed Jan 1, 2020)
- Window Guard/Lead Paint Notice /NYC Apartment Building Emergency Preparedness Guide/Stove Knob Cover - (Wed Jan 1, 2020)