Police said the roof of the building and walls of KKN memorial hall attached to it were damaged.
The CPI(M) alleged that RSS-BJP workers were behind the attack.
CPI(M) District Secretary P Jayarajan visited the spot and party workers took out a protest demonstration in the area.
Kannur and some parts of the state have been witnessing clashes between CPI(M) and BJP workers after the May 16 2016 assembly polls.