Thames Valley Police is appealing for witnesses after offenders left a trail of graffiti on the Southwold Estate, Bicester.
The offences occurred between Friday April 24 and the following day.
Offenders targeted properties, fences and an electrical substation. Police say this appears to be a new graffiti tag being used in the area and are asking anyone who might be able to identify who it belongs to will to contact PCSO Kate Ford from Bicester police station, via the Thames Valley Police Enquiry Centre on 101.
You can also call Crimestoppers anonymously on 0800 555 111.