Addenda Database
Addenda incorporate changes and improvements to LEED rating systems and resources to help clarify, correct, interpret or provide alternative language helping project teams better implement LEED.
More Technical Resources
ZCB-Design v4 – Part 9 Residential Pilot
As Canada accelerates residential construction to help address housing affordability, ensuring low-cost, low-carbon…
June 19, 2025
LEED v5 Resources
Critical LEED v5 resources are outlined below, including scorecards, fact sheets, and the…
April 28, 2025
ZCB Pricing
Project fees are based on a project’s certification pathway and size. Project size…
January 31, 2025
LEED Pricing
Registration and certification fees are based on your project’s rating system and size;…
January 31, 2025