The Girl Guide Hall on Thornton Rd and Lakewood Developments were among two businesses hit by vandals over recent weeks.
The western end of the apartments at Lakewood closest to the VTNZ was also tagged, and police would like to hear from anyone who recognises the tags which a signature for vandals.
Anyone with information should contact the Cambridge police on 827 5531 or call Crimestoppers on 0800 555 111 to make an anonymous report.