The action was taken in Pimpari village on Taloja-Shil road, by Thane district administration on the directions of District Collector Mahendra Kalyankar, an official release said.
Among these 101 structures were four constructed by entrepreneurs from various places including Mumbra near here, it said, adding 90 chwals were also pulled down in presence of policemen.
The village is predominantly occupied by refugees of Koyna Dam project of Satara district in Maharashtra, the release added.