# 400Mass1007 LLC

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

- Legal business name: 400Mass1007 LLC
- Alternative and DBA names: 400Mass1007
- Entity type: LLC
- Original incorporation date: March 1, 2021
- Time in business: 5 years and 7 months
- Jurisdiction count: 1

## All known addresses

- 400 Massachusetts Ave NW Apt 1007, Washington, DC 20001 (listed in District of Columbia)

## Registered states

- [District of Columbia](https://index.baselayer.com/dc/1495354e84a7e873): Domestic registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/1495354e84a7e873)