| Assessment Development | JANUARY | 2021 Infrastructure Assessments Pre-release |
| Industry consultation on design of governance structures and engagement | ||
| FEBRUARY | Industry consultation on design of governance structures and engagement | |
| MARCH | March 1: 2021 Real Estate and Infrastructure Assessments Reference Guides | |
| Online GRESB Assessment Training | ||
| Assessment Reporting Period | APRIL | April 1: GRESB Portal opens for the 2021 GRESB Assessments |
| GRESB Foundation operational to oversee the development of the 2022 GRESB Standards | ||
| Response Checks can be requested | ||
| MAY | Response Checks | |
| JUNE | Response Checks | |
| June 1: Deadline to request a Response Check is June 1, 23:59 PDT | ||
| Validation, Scoring and Benchmarking | JULY | July 1: GRESB Portal closes on July 1, 23:59 PDT. This is the submission deadline for the 2021 Assessments |
| AUGUST | Validation starts | |
| Scoring and benchmarking | ||
| SEPTEMBER | September 1: Launch of preliminary 2021 Real Estate and Infrastructure Assessment results for Participants only | |
| Review Period | ||
| Assessment Results | OCTOBER | October 1: Launch of 2021 Real Estate and Infrastructure Assessment results for Participants and Investors |
| Public results events | ||
| NOVEMBER | Public results events | |
| DECEMBER | Public results events |