- N.Y.C. Tax Protest Deadline - (Mon Mar 1, 2021)
- File Corporate Income Tax Returns - (Mon Mar 15, 2021)
- NYC Assessment Correction Application - (Mon Mar 15, 2021)
- Taxable Status Date - (Mon Mar 15, 2021)
- NYC Real Property Tax Assessment Protest Class 2 & Class 4 Properties - (Mon Mar 15, 2021)
- RSA Membership Meeting - Virtual Meeting - (Wed Mar 24, 2021)
- Pay NYC Property Tax - (Thu Apr 1, 2021)
- Rent Registration Begins - (Thu Apr 1, 2021)
- N.Y. State Fiscal Year Begins - (Thu Apr 1, 2021)
- Boiler Inspection - (Fri Dec 31, 2021)
