Their sticky-fingered ways - often slipping into the store when the door was left open - has led to dozens of chocolate bars disappearing from the shelves of Luke's Grocery and Snack Bar over the years.
And Cindy Kim says her parents have only themselves to blame.
About five years ago, her father, who runs the store, started doing a little community outreach - namely feeding the birds who gathered outside.
But his generosity may have drawn another element to the neighborhood.
"The squirrels started coming and eating the sunflower seeds and such," Kim tells The Dodo. "I suppose they started getting used to coming to our store for food. But those seeds don't last forever. So I think they started robbing us."