A repellent spray scatters the trail and can actually cause a colony to split into satellite nests — our non-repellent bait approach is built to eliminate the whole colony instead. Species identification happens on the first visit, since the right bait for odorous house ants isn't the same formulation that works on pavement ants or fire ants.
A technician checks for carpenter ant frass and moisture damage in addition to standard trail mapping.


Every technician treating Baltimore properties for ants carries state licensing and full liability coverage.
We prioritize fire ant mound calls given the sting risk to kids and pets.
You'll know the full cost before any bait station or barrier spray goes down.
We use non-repellent insecticide and slow-acting bait so the colony carries product back to the nest instead of scattering.
We trace frass (wood shavings) piles back to the actual nest location, often inside a wall void or damaged sill plate.
Odorous house ants form large, fast-moving colonies with multiple satellite nests, so bait placement targets several access points at once.
We treat expansion joints and slab edges directly, which is where pavement ant colonies typically establish.
Fire ant mounds get direct mound treatment plus a broader yard bait application to catch satellite colonies nearby.
Commercial accounts get documented service visits with bait station placement suited to kitchen and retail environments.
A perimeter barrier around the foundation reduces new trails from forming after the initial colony is addressed.

Call +1-866-315-0243 and describe the trail location — kitchen counter, foundation, or yard mound — for the right Baltimore dispatch.
Our mobile units stock separate bait types for carpenter, odorous house, pavement, and fire ants.
We trace the trail, identify the species, and quote a flat price covering interior and exterior treatment.
Guarantee coverage means continued trail activity after the guarantee window gets a free re-treatment.
Carpenter ants turned out to be nesting in a water-damaged window sill we didn't know about — the technician caught it during inspection.
Fire ant mounds near our kids' swing set got treated same-day, which was a huge relief given how close they'd built to the play area.
Having a documented ant program helped us pass our last health inspection without issue.
We didn't realize odorous house ants had multiple satellite nests until the technician explained why our own spray kept failing.

Nex Pest Control dispatches ant-specialized technicians throughout Baltimore and nearby communities, with species-specific bait stocked on every vehicle. Coverage includes single-family homes, apartment communities, and commercial kitchens across our Baltimore service area.

Non-repellent bait works differently — ants carry it back to the colony, which is what actually eliminates the nest.
Carpenter ants prefer damp or already-damaged wood, so their presence sometimes points to a moisture issue worth checking.
Bait stations are enclosed and placed out of reach, and we'll walk you through placement locations during the visit.
Most trails noticeably decline within one to two weeks as the bait works through the colony.
Fire ants are treated with both immediate mound knockdown and a longer-acting yard-wide approach.
Yes, we use bait placements and monitoring schedules suited to food-service environments and health code requirements.
Call +1-866-315-0243 for a same-day inspection and flat-rate quote.
Call +1-866-315-0243