The 25-year-old had to call the police after an older gentleman knocked on her door and told her he wanted to speak to her, reported TMZ.
Lohan spoke to the man through the door and asked him to leave but he refused. Police received a call minutes later about a trespasser on Lohan''s property.
According to law enforcement sources, cops showed up soon after and arrested the man for trespassing. The man is currently being booked.
Lohan has just returned home after spending the holidays in New York with her mother Dina.
