# 100 North Mason-Austin Block Club

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

- Legal business name: 100 North Mason-Austin Block Club
- Entity type: Nonprofit
- Original incorporation date: April 7, 2004
- Time in business: 22 years and 6 months
- Jurisdiction count: 1

## Registered states

- [Illinois](https://index.baselayer.com/il/5b56cce18cd34992): Domestic registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/5b56cce18cd34992)