99 John Street

99 John Street is a prominent building located in the Financial District of Lower Manhattan, New York City. Originally designed as a commercial office space for the insurance industry, the structure was later converted into a residential apartment building in the late 1990s.

Development and Construction

In June 1931, the Insurance Company of North America purchased the site on John Street for $2.5 million. The company commissioned the architectural firm Shreve, Lamb & Harmon to design a 25-story building, which also featured a penthouse. Construction began in April 1932, with the A. L. Hartridge Company serving as the primary contractor. The project was notable for its rapid construction timeline, with the steel frame completed in 22 workdays and the floor slabs poured in an additional 28 days. The building officially opened on May 2, 1933.

Commercial History

For several decades, 99 John Street served as a hub for insurance firms. Initial tenants included the American branch of Swiss Re, the London Assurance Company, and the Provident Mutual Insurance Company. In 1939, the Insurance Company of North America expanded its footprint by acquiring adjacent land on Gold Street, leading to the construction of an annex designed by the same architects. Throughout the 1940s and 1950s, the building hosted various organizations, including the War Shipping Administration and the General Accident, Fire, and Life Assurance Corporation.

In 1955, the Insurance Company of North America sold the building to the Great American Insurance Company. Subsequent decades saw various ownership changes, including a 1970 sale to a Swiss-owned group and a 1995 acquisition by investors David Werner and Tamir Sapir.

Residential Conversion

In 1996, Rockrose Development purchased the building for $17 million with the intent to convert the structure into residential apartments. This project was part of a broader trend of office-to-residential conversions in Lower Manhattan, supported by municipal tax incentives. The renovation, completed in 1999, included the addition of ground-floor retail space, notably a large supermarket known as the Jubilee Market.

Following the 2008 financial crisis, the owners implemented new sales strategies, including offering apartments in groups and introducing a rent-to-own model. In 2009, the operators of Rockrose Development split the business into two firms, Rockrose and TF Cornerstone, while maintaining joint ownership of the property.