Cockroaches are among the most resilient pests on earth — and Arizona's warm climate makes it an ideal year-round habitat for several species. The German cockroach is the most common indoor species: small (about half an inch), tan with two dark stripes behind the head, and capable of producing up to 30,000 offspring per year from a single female. They infest kitchens and bathrooms, contaminate food, and trigger asthma and allergy symptoms. The American cockroach — the large, reddish-brown palmetto bug that can reach 2 inches — lives in sewers, drains, and utility areas and enters homes through pipes and drains. The Turkestan cockroach is increasingly common in Arizona and often found in block wall voids and irrigation boxes outdoors.

Cockroaches are not just disgusting — they are a genuine health hazard. They carry and spread Salmonella, E. coli, and other pathogens on their legs and bodies as they walk across food preparation surfaces. Their shed skins and fecal matter are potent allergens that can trigger asthma attacks, especially in children. A German cockroach infestation that starts in a kitchen can spread to every room in a home within months. The key to effective control is understanding that cockroaches are nocturnal and hide in cracks, voids, and dark areas during the day — so you rarely see the full extent of an infestation until it is severe.

Effective cockroach control requires a combination of gel bait placed in cracks and voids where roaches hide, insect growth regulators which prevent juveniles from reaching reproductive maturity, and residual sprays for perimeter treatment. For German cockroaches, sanitation is critical — eliminate food sources, fix moisture problems, and seal entry points. For American cockroaches, treat drains and utility penetrations. DIY products are often ineffective because they do not reach the harborage areas where roaches spend most of their time. Pest Control Bros provides professional cockroach control across Maricopa, Chandler, Casa Grande, Tempe, Gilbert, and Mesa — free inspections, no contracts.