350 Seattle
Business profileNonprofitLinked registrations
Public business information with links to supporting state records. Data as of October 16, 2026.
Business profile
- Legal business name
- 350 Seattle
- Alternative and DBA names
- 350 Seattle, Corporation
- Entity type
- Nonprofit
- Original incorporation date
- October 28, 2013
- Time in business
- 12 years and 11 months
- Jurisdiction count
- 2
All known addresses
600 1st Ave, Seattle, WA 98104
Listed in Washington
5031 University Way NE, Seattle, WA 98105
Listed in Indiana
Registered states
View linked public registration records.
Source: public state registration records. Missing values are not a negative finding.