Police busted a cannabis farm in Castleford on Friday.
Officers raided the empty building in Airedale at around 6pm and seized 373 plants in various stages of growth.
Castleford NPT said people in living nearby had complained of water leaking into their building.
Police forced entry into the the building and discovered the farm.
To report drugs offences, call Police on 101 or Crimestoppers anonymously on 0800 555 111