The operation was conducted in the early hours of Tuesday morning.
Footage shows armed police officers detaining a man and taking him away in a police car.
Officers can later be seen removing items from the building while several journalists looked on, Presstv reported.
According to reports, some of those arrested had links to common crimes.
The operation, called Casa Alejandria, planned to make a total of 20 arrests at six locations in and around Barcelona.