Police officers have been at a cordoned off property on Esplanade in Bridlington since Wednesday afternoon.
A spokesperson for Humberside Police said: "We were called to a property on Esplanade in Bridlington on Wednesday, March 6, around 5pm to a report that a woman had been seriously assaulted.
"On attendance, officers found a woman had sustained injuries to her face and abdomen and was taken to hospital for treatment.
"A 30-year-old man was arrested on suspicion of section 18 assault, false imprisonment, and possession of a class A drug with intent to supply. He has since been bailed.
"During our investigations in the area, a cannabis factory was found in a nearby property.
"Officers have been working to remove the drugs and make the building safe.
"Enquiries are continuing."