LOS ANGELES (CBS) — Police say thieves are posing as city workers in order to burglarize homes in the Foothill areas.

The burglars have been posing as either Department of Water and Power employees or City of Los Angeles construction workers, Los Angeles police officials say.

READ MORE: Newport Beach, Long Beach And Other OC Communities Brace For Incoming High Tides And Potential Flooding

They knock on the door of a home and convince whoever answers to let them into the backyard or into the house, purportedly to check wires, police said. While the victim is distracted with the first suspect, another will enter the home and steal valuables.

READ MORE: One Person Found Dead In South LA Homeless Encampment Fire

Residents are advised not to let anyone enter their home or backyard without confirming the person is who he claims to be. When in doubt, call the company, police said.

Anyone with information about the distraction burglars can call Foothill Station detectives at (818) 834-3115.

MORE NEWS: Massive Rescue Effort Underway After Multi-Story Building Partially Collapses In South Florida

(©2012 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Wire services contributed to this report.)