The house fly is the fly most people picture when they think of an everyday nuisance pest — a dull gray insect, about a quarter-inch long, with four thin dark stripes running down the top of its thorax and large reddish eyes. Its flight is quick and erratic compared to the heavier, more direct buzz of a blow fly or horse fly, and it lacks the metallic sheen that makes blow flies easy to spot. House flies don’t bite; instead, they feed by regurgitating digestive fluid onto food to liquefy it before sponging it back up.
House flies are extremely adaptable and turn up in nearly every Los Angeles and Orange County neighborhood, from Downtown LA apartments to single-family homes in Hawthorne or Lakewood. They’re drawn to kitchens, trash cans, pet waste in yards, compost piles, and any exposed food source, entering through open doors, torn screens, or gaps around windows. Because they can breed in almost any moist organic material — garbage, manure, or rotting produce — a single overlooked trash area or drain can sustain a recurring population through the warmer months common in our region.
The main issue with house flies is sanitation rather than direct bites or fabric damage. As they move between trash, waste, and food surfaces, they can pick up and transfer bacteria on their legs and mouthparts, contaminating countertops, dishes, and exposed food. Public health sources have long associated house flies with the mechanical spread of bacteria in food-handling environments, which is why persistent fly activity in a kitchen or restaurant setting is worth addressing quickly rather than treating as a minor annoyance.
Guarantee Pest Control has helped Los Angeles and Orange County homes and businesses manage house fly activity since 1958. Our technicians will inspect trash storage areas, entry points, and potential breeding sites around your property, then recommend an effective treatment plan to reduce fly pressure, with eco-friendly Guarantee Green options available for those who prefer them. We back most services with a 3-month guarantee and offer free estimates with no-penalty cancellation. If house flies have become a recurring problem at your home or business, call 1-800-507-3787 or request a free estimate at /get-a-quote/.