# 221 Si LLC

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: 221 Si LLC
- Entity type: LLC
- Original incorporation date: September 22, 2020
- Time in business: 6 years
- Jurisdiction count: 1

## All known addresses

- 2226 3rd Ave, Seattle, WA 98121 (listed in Washington)

## Registered states

- [Washington](https://index.baselayer.com/wa/179db5f72d25ec40): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/179db5f72d25ec40)