Seattle Green Factor
Seattle Green Factor is a scoring system for landscapes, required in certain parts of Seattle to help increase the quantity and improve the quality of urban landscaping.
Each of the links below show how a particular project met its Seattle Green Factor requirement. The case studies include landscape plans, Green Factor scoresheets, and photos of the finished projects.
Amazon Phase IV - Corporate Campus
Chloe Apartments - Seven-Story Mixed-Use Building
Joule Apartments - Six-Story Mixed-Use Building
Link Apartments - Six-Story Mixed-Use Building
Pinehurst Safeway - Grocery Store
First United Methodist Church - Religious Facility
Where Is It Required?
Green Factor applies in the following zones:
- Commercial and Neighborhood Commercial (NC1, NC2, NC3, C1, C2)
Minimum score 0.30 (Seattle Municipal Code (SMC) (SMC 23.47A.016)
- Industrial Commercial (IC) within urban village or urban center boundaries
Minimum score 0.30 (SMC 23.50.038)
- Development in South Downtown (variety of zones within the South Downtown planning area)
Minimum score of 0.30 for development with 20,000 gross square feet or more (SMC 23.49.031)
- Midrise and Highrise Multifamily Residential (MR, HR)
Minimum score 0.50 (SMC 23.45.524)
- Lowrise Multifamily Residential (LR)
Minimum score 0.60 (SMC 23.45.524)
- Yesler Terrace (MPC-YT)
Minimum score of 0.30 per development, 0.50 per sector (SMC 23.75.160)
- Seattle Mixed (SM)
Minimim score of 0.30 (SMC 23.48.024)
DPD sponsored a series of workshops to help applicants understand and apply the principles of the Seattle Green Factor. View the slideshows from these presentations:
Research and technical studies to provide further background information.