The two main parties - ruling TMC and opposition CPI-M blamed each other for the incidents, which took place just a day after the assembly polls were held in Howrah district.
Police said six houses were damaged at Antapur area and CPI-M alleged that those belonged to its supporters. The party also claimed that the damage to the houses was the handiwork of TMC workers.
Police rushed to the area but none was arrested.
In another incident at Panitras a shop allegedly belonging to a TMC worker was set on fire.