Home owners have expressed outrage over the trashing of properties they rented out through Airbnb on New Year's Eve.
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A San Francisco couple who thought they were renting their home to an older man from Chicago were horrified to discover the tenant was a teenager who threw a raucous 18th birthday party for 200 friends.
Reshma Vasanwala and Jim Santi Owen told American news outlets they were alerted to the wild party by a concerned neighbour.
"Next door neighbour texts me and says, 'There are 40-50 youths here throwing a party, they've been shouting for over an hour and there's four or five police out here," Mr Owen said.
The panicked couple raced home to find damaged furniture, blood stains, broken glass and beer cans and cigarette butts strewn all over their property.
It has taken more than two days to clean the home with more work to be done to fix damaged floors, walls and fences.
San Francisco police arrested the 18-year-old host for vandalism and Mr Owen said he would pursue legal action against the party boy, although officers told him a further 200-300 young people were found near the home after the party was broken up.
"Obviously he's, as far as we know, ultimately responsible, but so are those 200 or 300 kids," Mr Owen said.
Airbnb has banned the teenager from the site and will help the couple pay for the damage to their property.
Mr Owen said he was disappointed that it took Airbnb almost 14 hours to contact him about the party.
"It was an emergency, urgent kind of situation and it would've been nice to feel that they really had our back as all this was going on," he said.
It was like an orgyChristina McQuillan
An English couple were also left devastated when they rented their south-west London apartment on New Year's Eve only to discover the tenant threw a wild party with 100 revellers.
Christina McQuillan, 31, and her partner rented their $1 million Putney apartment out to a young woman who told them she was going out for the evening.
When a neighbour called, concerned about loud music and the smell of marijuana coming from the flat, the couple hurried home to find the place trashed and a couple having sex in their bed.
"We couldn't get them out," Ms McQuillan told UK media. "When my partner went in the bedroom it was like an orgy, there were people having sex on the bed and a man just standing there watching. It was just disgusting.'
The couple claimed revellers stole items from their flat, ripped the TV off its wall brackets and damaged the floor and walls.
Police were called to break up the party after revellers refused to leave.
Ms McQuillan later discovered the tenant had used a fake name to book the property.
Airbnb have apologised to Ms McQuillan and offered to help fund the clean up.