Image courtesy of Google Maps

One of Greater Boston’s most active life science investors has proposed a 354,000-square-foot development at a 3.1-acre Brighton property that it bought in June for $50 million.

The 155 North Beacon St. property includes a 139,470-square-foot warehouse and furniture outlet and would be replaced with a four-building campus, according to a notification letter submitted to the Boston Planning and Development Agency by IQHQ Chief Investment Officer John Bonanno.

The project would include office, lab, R&D and ground-floor retail space and include a series of publicly accessible courtyards above areas used for service uses. The height of the buildings will be “well below” those at Boston Landing, according to IQHQ.

IQHQ has raised nearly $3 billion since its founding in 2019 and has acquired properties in Andover, Alewife and the Fenway, and is partnering with Meredith Management on the imminent construction of the Fenway Center air rights office-lab project.

On NB Development’s nearby Boston Landing campus, developers Lendlease and Ivanhoe Cambridge are seeking approval for a 317,000-square-foot life science building, joining two other lab buildings which also contain the Boston Celtics’ and Bruins’ training facilities.