# 1 American Development Corporation

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

- Legal business name: 1 American Development Corporation
- Alternative and DBA names: Walker Senior Housing Corporation IX
- Entity type: C corporation
- Original incorporation date: October 2, 1964
- Time in business: 62 years
- Jurisdiction count: 2

## Registered states

- [Illinois](https://index.baselayer.com/il/b67976b00311d604): Foreign registration, as Walker Senior Housing Corporation IX
- [Minnesota](https://index.baselayer.com/mn/893ef052e68cf444): Domestic registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/893ef052e68cf444)