Ant Control in Columbus, OH

Why do ants keep coming back after I spray?

Because the ants on your counter are a small slice of the colony. Workers forage, and the queen and the brood stay hidden in a nest that can hold thousands of ants. A contact spray kills the workers it touches and leaves the nest untouched.

It can also make things worse. Some of the ants common in Ohio, including odorous house ants and pavement ants, can split into several smaller colonies when they are disturbed by a repellent. You end up with more trails in more rooms. Our post on why ants keep coming back after you spray walks through it in more detail.

Which ants are in my Columbus kitchen?

Most of what people call "sugar ants" is not a single species. It is a nickname for any small ant that shows up near food. The ones we see most in central Ohio homes:

Size matters when you look. If the ants are big, you may have a wood problem and not a kitchen problem, so read our page on carpenter ant control. Tiny ants in single file along a baseboard are the usual kitchen visitors.

Ants in the kitchen: what pulls them in?

Ants are after food and water, and they find both easily. A sticky jar rim, pet food left out overnight, a damp sponge or a leaky trap under the sink is plenty. Once one scout finds it, she lays a scent trail so the rest can follow.

Columbus housing adds its own routes. The median Columbus home was built in 1980 and about 56% of homes are rented (ACS 2019-23), so there are many older foundations with cracks and many shared buildings where ants travel along pipes and wall voids from one unit to the next. In a multi-unit building the neighbors matter as much as your own kitchen.

Does a trail indoors mean the nest is inside?

Not always. Pavement ants usually nest outside, under slabs, sidewalks and patios, and send foragers in through a threshold or a utility gap. Odorous house ants are more flexible and will nest in a wall void, under a floor or beside a water heater when the weather turns. A trail that starts at a window frame points outside. A trail that appears from an outlet plate or the back of a cabinet points to a nest inside, and that changes where we treat.

Ant control in Columbus: bait, barrier or both?

The answer depends on the species and where the nest is. We usually combine methods. Here is how they compare:

A perimeter treatment means treating a strip around the outside of the house, where ants cross into the building. Crack and crevice work means putting product only into the cracks and gaps, not spraying open surfaces. All of it follows label directions.

Why does the ant bait work one week and get ignored the next?

Ants change what they want. A colony may crave sugars while it feeds on nectar and honeydew, then switch to protein and fats when brood is growing. A bait that matches the wrong appetite sits untouched. That is why identification comes first, and why we sometimes set more than one bait type.

Pavement ants and odorous house ants are the two most common home invaders in Ohio, according to Ohio State University guidance. Pavement ants nest in the ground under slabs, so a bait or a treatment at the entry point reaches them. Odorous house ants spread into several nests, so killing the trail alone will not end it. Leave the bait in place for days, since the point is for workers to carry it home.

What does an ant treatment visit look like?

1. We follow the trailWe trace the ants from where you see them back toward the nest. That usually leads to a gap at a window, a pipe entry or a crack at the slab.
2. We identify the speciesAnt type decides whether bait, barrier or nest work leads. We look at size, color and behavior before choosing.
3. We ask what we need to work aroundPets, children, allergies and food prep areas shape where bait goes and what we apply. We ask at each visit.
4. We treat inside and outsideThat means bait or targeted product along the trail indoors and a perimeter treatment outside, applied per label directions. You get the label's re-entry time.
5. We tell you what not to doLeave bait alone for a few days and do not spray over the trail. You may see more ants at first, which means the bait is working.
6. We schedule the follow-upIf the trail keeps going, we come back. Follow-up can be as needed or on a set schedule.

Do you offer a seasonal ant treatment in Columbus?

Yes, and for many households it makes more sense than a one-off call. Ants in central Ohio start moving as soil warms in spring and stay active through fall. Recurring visits, biweekly, monthly or bimonthly depending on the property, keep a barrier in place and let us catch new trails early.

One-time service is available too. A single kitchen trail in a small home may need one treatment and a follow-up check. We explain both options before you decide, and we describe what is likely to happen so you are not guessing.

What does ant control cost and what do you do yourself?

We price by the species and the extent of the infestation, and you hear the price before work starts. The factors that move it are how many trails there are, whether ants are inside walls, the size of the property, and whether you want one visit or a recurring plan.

A few things you can do while you wait for the visit:

• Wipe the trail with soapy water to break the scent line, but do not wipe near bait once it is down
• Store sugary food, pet food and cereal in sealed containers
• Fix drips under sinks and dry out damp areas
• Trim shrubs and branches that touch the house
• Pull mulch back from the foundation so ants lose their nesting cover

Our spring ant and insect prevention checklist turns these into a monthly routine.

Ant treatment in Ohio: label law, the ODA license rule and landlord duty

Ant products sold at the hardware store and ones applied by a company fall under the same federal rule: the label is the law. It names the pests, the sites and the amount, so a bait made for the kitchen does not belong in a wall void. If you treat a trail yourself, read the label for where it may go and when pets and kids may return.

If you hire out the work, Ohio Department of Agriculture rules require a Pesticide Business License for any company applying pesticides for hire. ODA's public business search lets you check a name before you sign. Ask which ant species the company found and which products it plans to use.

Renters should know that Columbus Public Health makes the owner of a building with two or more units responsible for eliminating pests. Tell the landlord in writing, since ants travel along shared pipes.