Cockroach Control in South Florida

What's Distinctive About South Florida

South Florida's housing stock leans heavily toward condominiums, apartment complexes and older duplexes, especially closer to the coast, alongside newer suburban single-family development further inland. That mix matters: German cockroaches move between units through shared walls and plumbing in multi-unit buildings, while palmetto bugs and other outdoor species are the more common concern around single-family homes with screened lanais and mature landscaping. The region's climate stays warm and humid essentially all year, so activity doesn't really pause for a season, summer storms can drive outdoor species indoors in short waves, and a large seasonal-resident population means empty units are a real, recurring situation. South Florida's hospitality sector is also substantial, and commercial kitchens here are typically handled on their own scheduled program.

Seasons Without a Winter

South Florida never gets a real cold season, so outdoor cockroaches stay active every month. Activity peaks in the rainy season from June through October, when daily storms flood storm drains and push American cockroaches up through floor drains, garages and ground-floor units. Dry season brings a short lull, but drains, AC closets and trash rooms stay warm and damp all year.

King tides in the fall raise water in low streets from Miami Beach to Fort Lauderdale, backing up drains in the same way heavy rain does. Buildings near the water should check drain covers and garage thresholds before those tides arrive.

Dense Buildings and Shared Walls

High-rise condos, garden apartments and older duplexes make South Florida the most multi-unit region in the state. German cockroaches move between units along plumbing chases and shared walls, so a problem in one apartment often started next door. Coordinated treatment across neighboring units, arranged through the association or landlord, works far better than treating one unit alone. The multi-unit and condo pages explain how that usually works.

Start here

Which One Did You See?

Saying "cockroach" in Florida usually means one of two very different things. Neither means anything about how a home is kept.

Small and indoors: German cockroach

• About half an inch, tan to light brown
• Found in kitchens and bathrooms, behind appliances
• Breeds indoors and builds over time
• Can spread between units in apartments and condos

Large and mostly outdoors: palmetto bug

• 1 to 1.5 inches, reddish-brown, flies short distances
• Also called the American cockroach
• Lives outdoors and comes in through gaps and vents
• Doesn't indicate an indoor infestation on its own

A professional inspection is the reliable way to confirm which one applies. These are general patterns, not a diagnosis. More on identification →

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