A demolition crew has arrived at one of the properties in Brickell owned by Citadel.
A demolition permit was issued in January for the 12-unit apartment building where the contractor was seen working yesterday.
Northstar Contracting Group is listed as the contractor on the demolition permit, according to Miami Building Department records.
A Citadel affiliate owns the adjacent office tower, which will remain standing.
The company, which has thousands of employees, also owns bayfront property across the street where it is planning to build an iconic headquarters tower.
Soil testing was seen being done at the bayfront site earlier this month.
The apartment building being demolished sits in between the two properties.