Yuhong Zeng, of Fresh Meadows, N.Y., was arrested at the Green Tea Spa, 7 Danbury Road, 2nd Floor, police said.
The Wilton Police Detective Division, with assistance from the Norwalk Police Department, had initiated an investigation into a complaint of prostitution taking place at the spa, police said.
A search warrant was served for the business and a vehicle, police said.
Zeng was released after posting $5,000 bond and was issued a court date of Oct. 30, police said.
Click here to follow Daily Voice Wilton and receive free news updates.