# 400 Locust, LLC

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

- Legal business name: 400 Locust, LLC
- Entity type: LLC
- Original incorporation date: December 3, 2003
- Time in business: 22 years and 10 months
- Jurisdiction count: 2

## All known addresses

- 55 E Monroe St Ste 3900, Chicago, IL 60603 (listed in Iowa)

## Registered states

- [Delaware](https://index.baselayer.com/de/103bf559338b4935)
- [Iowa](https://index.baselayer.com/ia/7648785455cf9164): Foreign registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/103bf559338b4935)