10 warning letters have been issued and 5 people were fined for waste offences.
Covert teams approached almost 70 traders in hotspot areas across the county - as they searched for any illegal activity.
The Trading Standards and Thames Valley Police operation aimed to disrupt rogue traders and track down aggressive doorstep sellers.
During a targeted day of action, 10 people were given warnings for things like breaches of Consumer Contracts.
Five waste offences were fined and an overloaded vehicle is being investigated.
JACKfm joined one of the teams patrolling the Henley area on Wednesday:
Teams also carried out warrants and identified vehicles used by criminals, through automatic number plate recognition.
Between April 2017 and March this year, £19,995 was returned to victims of rogue traders as a result of intervention by Oxfordshire County Council's Trading Standards team.
Operations Manager Jody Kerman said: "It's crucial to raise awareness of doorstep crime and help prevent innocent people from falling victim to these criminals.
"This campaign provides a platform to educate people and put a stop to doorstep crime in our communities."
The activity also aimed to raise awareness of rogue traders among the most vulnerable groups.