Green Building Standard - Overview

What is it?

The Land Use Code requires compliance with the Green Building Standard, as described in Director's Rule 4-2021, when a development exceeds a minimum floor area, includes building a second accessory dwelling unit, and other voluntary incentives for new buildings that provide additional development capacity, such as extra floor area or height.

Can my project benefit from the Green Building Standard?

The Green Building Standard is available in specific zones throughout the city. Please reference our Green Building Standard summary to see if your project triggers the Green Building Standard.

Where can I find more information on what is required?

Please refer to the Land Use Code, Seattle Municipal Code 23.58D and Director's Rule 4-2021.

View our Green Building Standard overview video.