Ant Control

Ants are the pest we get called about more than any other, and the conversation usually goes the same way: “I’ve sprayed them three times and they keep coming back.” There is a good reason for that. The ants on your counter are foragers — a small fraction of a colony that lives somewhere else entirely, often in the yard, under a slab, or in a neighbor’s wall. Kill the foragers and the colony simply sends more.

Ant control that works stops being about the ants you see and starts being about the colony you do not see. That means finding where the nest is, putting out bait the workers carry back to it, and sealing the route they use to get in. It is slower than a spray and it actually finishes the job.

Signs you have an ant problem

• Trails of ants along counters, baseboards, windowsills, or the foundation, following a consistent route.
• Small piles of coarse sawdust (frass) near wood — the signature of carpenter ants, not a cleanliness issue.
• Rustling sounds inside walls during quiet hours, from carpenter ant colonies in voids.
• Fire ant mounds in lawns, flower beds, and along driveways, which can reach thousands of workers.
• Winged ants inside the home — swarmers leave the colony to start new ones, and their presence means a mature colony nearby.

The species matters more than the sighting. A trail of tiny sugar ants is a nuisance; carpenter ants and fire ants are property and safety problems.

The ants that invade homes

• Sugar ants and odorous house ants (Tapinoma sessile) — the tiny brown ones that trail through kitchens for sweets and proteins. Nuisance pests, but the most common call we take.
• Carpenter ants (Camponotus species) — large black or dark red ants that nest in damp, damaged wood. They do not eat wood; they hollow it out for galleries, and the damage can be structural.
• Fire ants (Solenopsis invicta) — reddish-brown mound builders with a painful, venomous sting. They infest lawns, parks, and any sunny turf and can swarm aggressively when disturbed.
• Pavement ants and thief ants — small species that nest in cracks and along foundations and invade kitchens for food.

Each species has its own colony structure and food preferences, which is why the bait that works on one does not work on another.

How professional ant control works

1. Inspect. The technician identifies the species, traces the trail to the entry point, and locates the colony or its satellite nests. For carpenter ants, that includes checking moisture-damaged wood, porches, and voids.
2. Treat. Baiting is the core of the program — a slow-acting bait the foragers carry back to the colony, eliminating the queen and brood. Where nests are accessible, they are treated directly; fire ant mounds get a targeted mound treatment.
3. Barrier. An exterior perimeter application creates a treated zone around the foundation, stopping the next wave of foragers before it reaches the house.
4. Prevent. Entry points get sealed, and the conditions that attract ants — mulch against the foundation, moisture, vegetation touching the house — get corrected so the colony does not simply move back in.

Ant control at a glance

DIY vs. professional ant control

A bottle of spray kills a trail of ants and sends the colony a message: avoid that spot and come in somewhere else. Bait traps from the store work on some species but rarely match the colony’s food preference, and carpenter ant or fire ant problems are beyond what a homeowner can finish.

Professional ant control wins because it pairs the right bait with the right species, treats the nest rather than the trail, and closes the entry points so the job does not repeat every spring.

Keeping ants out of your home

• Wipe counters and store food in sealed containers; ants follow scent trails, so remove the trail.
• Caulk cracks around doors, windows, pipes, and the foundation.
• Keep mulch, soil, and vegetation at least a foot away from the foundation.
• Fix moisture issues — leaky spigots, gutters, and condensation — that attract carpenter ants.
• Treat fire ant mounds as soon as they appear, and never kick or flood them.

What an ant exterminator does differently

The difference between a spray and an ant exterminator service is the colony. Sprays kill the foragers you can see; a professional service finds the nest, baits it so the workers carry the insecticide back to the queen, and treats the trails and entry points that brought them inside. Fire ant mounds get individual baiting, carpenter ant jobs start with a moisture and wood inspection, and household species like odorous house ants get a perimeter baiting program. If you have been spraying the same trail for a month, the queen is still laying — the inspection finds her.

If you are seeing ant trails, carpenter ant frass, or fire ant mounds, start with a free inspection. A licensed technician will identify the species, trace the problem to its source, and quote the treatment honestly — whether that is a simple baiting or a carpenter ant program.