# 100 Jane Street Realty Corp.

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

- Legal business name: 100 Jane Street Realty Corp.
- Alternative and DBA names: William Street Acquisition Realty Corp.
- Entity type: C corporation
- Original incorporation date: December 29, 1989
- Time in business: 36 years and 9 months
- Jurisdiction count: 2

## All known addresses

- 309 E 45th St, New York, NY 10017 (listed in New York)

## Registered states

- [Delaware](https://index.baselayer.com/de/148039702233e21a)
- [New York](https://index.baselayer.com/ny/2ca4bc90cf3e153b): Foreign registration

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

Cite as: Baselayer Business Index (https://index.baselayer.com/business/148039702233e21a)