How long does ant treatment take to work?

Gel bait treatments typically show significant reduction within 3 to 5 days as workers carry bait back to the colony. Full colony elimination usually takes 1 to 2 weeks. Perimeter sprays work within hours for contact kill.

Are carpenter ants dangerous to my home?

Yes. Unlike termites, carpenter ants do not eat wood, but they excavate galleries to nest, which can cause structural damage over time if untreated. An active infestation should be treated as soon as possible.

Why do I still see ants after treatment?

With bait treatments, seeing ants for 3 to 7 days post-treatment is normal, they are actively feeding on and transporting the bait to the colony. Increased activity is actually a sign the treatment is working.

Can ants come back after treatment?

Without an ongoing prevention program, new ant colonies can establish. Our quarterly protection plans include retreatment at no extra charge if ants return between scheduled visits.

🐜Moderate Priority

Ant Control

Eliminate ant colonies at the source, not just the workers

Ants are the #1 pest complaint in America. From tiny sugar ants to destructive carpenter ants, a visible ant trail means thousands more are hidden in your walls and foundation. Our targeted colony elimination treatment finds and destroys the queen, stopping the infestation permanently.

Free Inspection

Starting price

$149 to $299

Free inspection & written quote before any work

Licensed & insured technicians
100% satisfaction guarantee
Free re-service if pests return
Available in all 50 states + DC
Same-day or next-day service

Licensed and insured local pros, 50 states + DC

Warning Signs of Ant Control

Ant trails along walls, countertops, or windows

Small piles of sawdust (carpenter ants tunneling in wood)

Ant nests or mounds near the home's foundation

Food packaging with tiny holes or ant activity inside

Flying ants (swarmers) indoors, often mistaken for termites

Seeing any of these signs? Request an inspection right away, early treatment prevents the problem from growing and reduces total treatment cost.

Our Ant Control Treatment Methods

We select the most effective approach based on your specific infestation, property, and family situation.

Gel Bait Treatment

Worker ants carry slow-acting bait back to the colony, killing the queen and all nestmates within days. Highly effective for most species.

Perimeter Spray

Exterior residual treatment forms a barrier around your foundation, preventing new ants from entering the structure.

Direct Colony Treatment

For outdoor mounds and carpenter ant nests, direct dust or liquid application eliminates the colony at the source.

Exclusion & Caulking

We seal cracks, gaps, and utility penetrations to eliminate ant entry points and reduce future infestations.

Why Choose PestRemovalUSA for Ant Control?

Specialists in ant control, not generalists
Licensed and certified in all 50 states + DC
Written quote before any work begins, no surprises
Family-safe, EPA-registered products only
100% satisfaction guarantee, free re-service if needed
Same-day service available in most metro areas

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Same-day and emergency service available

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Carpenter ants: finding the nest, and keeping pets safe

Carpenter ants don't eat wood. They excavate it to make nest galleries, and University of Minnesota Extension says the damage usually builds slowly, often over years. Control depends on finding the nest, not on killing the ants you can see.

Workers are black, or red and black, and about 3/8 to 1/2 inch long. Unlike termites, they have a narrow waist and elbowed antennae.
Signs of a nest inside: coarse sawdust, 20 or more workers seen indoors on a regular basis, large numbers of winged ants in the house, or any carpenter ants indoors in winter.
Indoor parent nests sit in moist or decayed wood, around leaks, tubs, sinks and condensation, so fixing the moisture is part of the job.
Spraying foraging ants does little, because they carry little insecticide back to the colony. Baits work but can take weeks or months, and insecticide sprayed on or around baits stops the ants from feeding.
With pets in the house, keep children and pets out of treated areas until a spray has dried, as the EPA advises, and ask the company for the label of every product it plans to use. The label is the law, in Extension's words.

Sources: University of Minnesota Extension, Carpenter ants; US EPA, Tips for Selecting a Pest Control Service