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Austin, Texas

Ant control in Austin, TX.

Which side of MoPac you live on decides which ant you have. Limestone seams to the west, blackland clay to the east, pier-and-beam sugar ants in the middle. Our recurring plan covers all of them from $66 a month, with free re-treatments if a trail shows back up between visits. Same crew on either side of the highway.

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Written by the Bastion Pest Control service team · Licensed & insured in Texas · Last updated

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843-480-8699
Included on every visit
Licensed & insured
Free re-treatments
Phone answered 24/7

Ant control in Austin, the short version

Two soils, one metro, eight species that read the geology better than most realtors. Here is the Austin ant picture before you scroll into the details.

Peak season
March through November
Clay east of MoPac floods colonies up after rain, limestone west stays busy through drought.
Most common
Fire & sugar ants
Fire ants own the yards, sugar ants own the pier-and-beam kitchens in the central neighborhoods.
Included in
$66/mo plan*
No ant upcharge, ever.
Why spray fails
Queen survives
Bait is what reaches the colony.
Fire ants
2 - 3 weeks
Granular needs a watering cycle to activate.
Guarantee
Free re-treatments
Trails return between visits? So do we.

Ant control is included in our general pest plan.

No ant line item on an Austin invoice, ever. The recurring plan already covers ants alongside spiders, roaches, scorpions, wasps and rodents on every visit, whether your house sits on Tarrytown limestone or Mueller clay. If a trail reappears between scheduled visits, you call, we come back, and the return trip costs you nothing.

See full pricing details →
General Pest + Rodent
$66*/month

Starting rate for a single-family home in Austin. Includes ant control plus free re-treatments between visits.

Ant control in Austin: what each option covers, and what it costs.
 General pest planRecurringOne-time treatmentSingle visit
What it is forKeeping ants out of the house year-roundKnocking down one active trail or mound
Right for you ifYou want it handled and kept handledYou are between tenants, or you want to try us once
What you getFull TriBarrier on every visit, on a recurring scheduleOne full TriBarrier treatment
If they come backWe re-treat free, with no limit and no trip feeA return visit is a new charge
Other pests coveredSpiders, cockroaches, scorpions, wasps and rodentsAnts only
PriceFrom $66 a month*Quoted per job*

* Starting price. Your exact number depends on home size, lot size and current pest pressure.

Our approach

How we get rid of ants in Austin.

Three steps, every visit, the full TriBarrier treatment. With ants we always lead with identification and baiting, because killing the foragers and never reaching the queen is exactly what makes an ant problem feel like it has a lease.

Bastion Pest Control technician in a blue glove placing an ant bait station on a foundation edge where ants are trailing 1

Identify and bait

We work out exactly what we are dealing with before anyone touches a sprayer, then put down bait the workers actually want. They carry it home and hand it to the queen themselves. It is a Trojan horse, except smaller, and with considerably more legs.

Bastion Pest Control technician broadcasting granular ant bait across a lawn with a fire ant mound in the foreground 2

Treat the yard and mounds

A granular broadcast across the lawn plus a direct hit on every mound, and it reactivates every time you water. Congratulations, your sprinkler system is on our payroll now. That is what stops fire ants moving back in between visits.

Bastion Pest Control technician with a backpack sprayer treating the stone foundation perimeter of a Central Texas home 3

Seal the perimeter

A treated band three feet up and three feet out around the foundation, plus weep holes, slab joints, irrigation boxes and utility gaps. Every little door nobody thinks about until something walks through one at 2am.

Recognize any of these in your Austin home?

Free quote, same-day service most days, and free re-treatments if they come back between visits.

Get a free quote 843-480-8699

Why ants keep coming back in Austin.

Austin is two cities in a trench coat, and the ants worked that out before we did. East of MoPac you have blackland clay, which holds water like a sponge that never learned to let go. Every time it rains, fire ant colonies ride that flood straight up to the surface. You mow a flawless yard on Saturday and Sunday morning it looks like the moon. West of MoPac it is limestone: cracks, seams and little underground condos where a hose-end sprayer has never once reached them. In the central neighborhoods it is usually sugar ants strolling in from damp soil under pier-and-beam foundations that are older than your parents.

The Balcones fault splits this town into two completely different pest problems. West of MoPac: thin soil over fractured limestone, full of voids and seams that stay cool and humid right up against your foundation. Rent free, great schools. East of it: blackland prairie clay that holds water instead of draining it. Which side you live on changes which pests turn up and how they get in, and it is genuinely the first thing our technicians look at.

Here's why the bottle from the hardware store keeps letting you down. Spraying a trail is like firing the delivery drivers and expecting the restaurant to close. You got the fifty ants you could see. Congratulations. The queen didn't even look up. About nine in ten ants never leave the nest, so if the treatment doesn't get carried home to her, nothing actually happened. You just rearranged the furniture. Worse, some species panic and split into extra colonies when they taste something repellent, which is how one ant problem gets a promotion to five. Real ant control means naming the species first, baiting so the workers deliver the bad news themselves, then keeping a treated ring the next colony cannot cross. If you want the version with no sales pitch attached, the EPA's integrated pest management principles are a solid read.

Two soil types

Limestone west of MoPac, blackland clay east, different pests, different entry routes.

Older housing stock

1930s-60s homes in the central neighborhoods have far more gaps and harborage.

Mature canopy

Live oaks and pecans give climbing pests elevated routes and drop constant leaf litter.

Creeks and greenbelts

Shoal, Waller and Barton Creek corridors keep moisture and insect volume high year-round.

Seasonal pattern

When fire ants peak in Austin.

Fire ants do not follow one simple curve. They surge twice. Spring rain collapses their tunnels and pushes fresh mounds up across the yard, then the summer heat drives them down out of sight, then fall brings them straight back. Two peaks, one very misleading gap in the middle.

Typical fire ant surface activity in Austin by month Fire ant activity has two peaks. It is very low in January and February, climbs steeply through March to a spring peak in April and May, drops through July and August as heat and drought push colonies deeper underground, rises again to a second peak in September and October, then falls away through November and December. January: very low activity February: low activity March: moderate activity April: very high activity, peak month May: very high activity, peak month June: high activity July: moderate activity August: low activity September: high activity, peak month October: very high activity, peak month November: moderate activity December: very low activity SPRING PEAK FALL PEAK not gone, just deeper JanFebMarAprMayJunJulAugSepOctNovDec lowhigh
Surface activityPeak months and best treatment window
Relative pattern of fire ant surface activity in Central Texas, not a measured local count. Spring rain collapses underground tunnels and forces visible mounds, hot dry summers push colonies deeper where mounds are far less visible, and foraging resumes in fall. Texas A&M recommends broadcast baiting in spring and again between late August and mid-October. Sources: Texas A&M Imported Fire Ant Project, Two-Step timing, Dr Robert Puckett, AgriLife Extension entomologist, Williamson County AgriLife, Two-Step method.
First peak
April & May

Spring rain floods the tunnels and the colony surfaces to rebuild. This is the month you actually notice mounds.

The summer trap
July & August

Looks like they packed up. They did not. Heat and drought drive them down, and the mounds just stop being obvious.

Second peak
September & October

Foraging restarts and the mounds reappear. Texas A&M calls late August to mid-October the prime baiting window.

From real jobs

Every photo below came off a real Austin service call. If you are standing in your kitchen right now trying to work out what is marching across the countertop, one of these is almost certainly it.

Red imported fire ant mound in a lawn beside a concrete sidewalk with worker ants streaming across the pavement
Red imported fire ants Lawn at the sidewalk edge

No entry hole on top, which is the giveaway. Fire ants come and go through tunnels that surface a good distance away.

Trail of odorous house ants crossing a granite kitchen countertop toward a sticky spill and crumbs
Odorous house ants Kitchen counter

Started as one scout finding a spill. Crush one and you get a smell like rotten coconut, which is exactly where the name comes from.

Large dark carpenter ant on a tile floor beside a white painted baseboard with a gap at the seam
Carpenter ant Kitchen baseboard

Large, dark, and on its own. A lone carpenter ant inside usually points at damp timber somewhere, and the timber is the actual job.

Line of reddish brown ants walking along a kitchen countertop seam toward a stainless steel sink
Trail to the sink Kitchen countertop seam

Dead straight, no dithering. A trail running to a sink is a water trail, and water trails carry on long after you clear the crumbs.

Ants trailing along tile grout lines on a bathroom floor toward a small water droplet near a bath mat
Trail along the grout Bathroom floor

Grout lines make a handy motorway. They are all heading for one small drip that nobody had spotted yet.

Trail of small amber colored pharaoh ants along the edge of a bathroom countertop with a toilet in the background
Pharaoh ants Bathroom counter

About 2mm and the color of weak tea. Also the species where reaching for a store-bought spray reliably makes things worse.

Photographs by our own Austin service team. All six turn up regularly across the metro. 843-480-8699 and we will identify it for you.

Know your pest

The ants we actually find in Austin homes.

Guess the species wrong and the bait sits there untouched while the trail walks around it. In Austin the geology does half the identification for us. Fire ants dominate the clay yards east of MoPac, odorous house ants come up from damp soil under central pier-and-beam homes, and carpenter ants like the shaded trim under the live oaks and pecans. Your technician confirms the species on site before anything gets applied, because the map is a hint, not an answer.

Red imported fire ant (Solenopsis invicta) workers on a dry grass stem, showing their reddish-brown heads and darker abdomens

Red imported fire ants

Solenopsis invicta

Loose crumbly mounds in open turf with no front door. Aggressive when disturbed, and they sting repeatedly, because apparently once did not feel like enough. This is the dominant lawn ant here, and the reason yards need broadcast treatment instead of spot treatment. Red imported fire ant guide (Texas A&M)

Red imported fire ant workers. Reddish body, darker abdomen, and a sting you remember.
Odorous house ants (Tapinoma sessile) trailing along a dry stem, showing their small dark brown bodies

Odorous house ants

Tapinoma sessile

The tiny brown sugar ant that smells like rotten coconut when you squish it. In central Austin they are practically a housing feature. Damp soil under a 1950s pier-and-beam home in Hyde Park or Bouldin Creek is exactly the nesting ground they want, and the gaps in an old floor are the commute. They trail to kitchens and pet bowls, and they do not stop because you wiped the counter. Texas A&M key to identifying household ants

Odorous house ants on a trail. Small, dark, and endlessly persistent indoors.
Carpenter ant (Camponotus) on weathered wood, showing its large glossy black body and evenly rounded thorax

Carpenter ants

Camponotus spp.

Big black ants doing unpermitted renovations in damp wood: fascia, window trim, pergolas, anything touching soil. They do not actually eat the wood. They just hollow it out and leave the sawdust behind, which is somehow ruder. Little shavings under the trim are the receipt. Carpenter ant identification guide (Texas A&M)

Carpenter ant. Large, glossy black, and a sign of damp or damaged wood.
Acrobat ant (Crematogaster) on bark, holding its heart-shaped abdomen raised above its body

Acrobat ants

Crematogaster spp.

Named for hoisting their heart-shaped rear end in the air when they get annoyed. Dramatic. Honestly, respect. They nest in wall voids and behind foam insulation on newer builds, usually strolling in through the same gaps the rodents scouted first.

Acrobat ant with its heart-shaped abdomen raised. The name comes from that pose.
Rover ants (Brachymyrmex) crossing weathered wood near a nest opening, showing their very small dark bodies

Rover ants

Brachymyrmex patagonicus

Tiny dark ants that turn up around slab edges and patios by the thousand every summer, like somebody posted that there would be free tacos. Very common in newer subdivisions, and constantly mistaken for a fire ant problem.

Rover ants. Tiny, dark, and drawn to kitchens and bathrooms.
Pharaoh ant (Monomorium pharaonis) on weathered wood, showing its pale yellow body and darker abdomen tip

Pharaoh ants

Monomorium pharaonis

Very small, pale yellow, and the one you really must not spray. Hit them with a repellent and the colony splits up like a boy band, and now you have five problems and a reunion tour. Bait only. No exceptions. Pharaoh ant identification guide (Texas A&M)

Pharaoh ant. Pale yellow and tiny. Never spray these, it splits the colony.
Tawny crazy ant (Nylanderia fulva) on a dry grass seed head, showing its golden brown body and dense pale hairs

Tawny crazy ants

Nylanderia fulva

Small, golden brown, and moving like they have had six espressos. No tidy trail, just chaos in every direction at once. They have no stinger, though they can bite. The real problem is the sheer numbers and their odd enthusiasm for electrical boxes and AC units, which is where a nuisance turns into an invoice. Fire ant baits do very little to them, so they need their own plan. Tawny crazy ant guide (Texas A&M)

Tawny crazy ant. Golden brown, hairy, and never walks in a straight line.
Texas leafcutting ants carrying cut green leaf fragments along a piece of bark

Texas leafcutting ants

Atta texana

Also called town ants or cut ants. You will notice the stripped plant before you notice the ants. They carry leaf fragments down a well-worn trail to feed a fungus garden underground, and they can strip a young tree in a single night. Colonies run deep and wide, so treating the mound you can see rarely settles it. Leafcutting ants (Travis County AgriLife)

Leafcutting ants hauling cut leaf sections back to the colony.

A note on bites and stings. Reactions vary from person to person, and any bite or sting can cause a serious reaction in someone sensitive to it. Nothing here is medical advice. If you are bitten or stung and feel unwell, or the reaction spreads or does not settle, contact a doctor or Poison Control. If breathing or swallowing is affected, treat it as an emergency and call 911.

Warning signs

How to tell it is a colony, not a one-off.

A scout on the counter is not a colony. He is a guy with a clipboard. The list below is what it looks like once he has reported back and the whole operation moved in. Anywhere in Austin, call and describe what you see. Most days we can tell you over the phone whether it can wait for the next route or needs someone out today.

  • Fresh mounds in the yard within a day of rain
  • A steady two-way trail along baseboards or slab edges
  • Ants concentrated at dishwashers, sinks and pet bowls
  • Sawdust-like shavings under window trim or fascia
  • Winged swarmers indoors in spring and early summer
  • Ants inside the electrical panel or AC disconnect
  • Trails coming up through gaps in a pier-and-beam floor
  • Mounds surfacing in clay yards east of I-35 after storms

Ant control across Austin.

Where the ants come from depends on the block. Fire ant calls cluster in the clay yards around Mueller, Windsor Park and Wells Branch after a wet week. Sugar ant calls come from the older pier-and-beam streets of Hyde Park and Travis Heights, where damp soil sits right under the floor. Whether you need an ant exterminator in Austin for a whole yard or one stubborn kitchen trail, it is the same truck and the same plan.

Allandale Anderson Mill Balcones Woods Barton Hills Bluff Springs Bouldin Creek Brentwood Cherry Creek Cherrywood Circle C Copperfield Crestview Garrison Park Gracywoods Heritage Hills Hyde Park Jollyville Lamplight Village Legend Oaks Manchaca Maple Run Milwood Mueller North Burnet Onion Creek Quail Hollow Rosedale Scofield Farms Shady Hollow Slaughter Creek South Lamar Southpark Meadows Steiner Ranch Sunset Valley Tarrytown Tech Ridge The Domain area Travis Heights Village at Walnut Creek Walnut Creek Wells Branch Western Oaks Westlake Windsor Park Zilker

Not listed? We almost certainly cover it, see pest control in Austin or the full service area.

Ant control in Austin, common questions.

How much does ant control cost in Austin, TX?

Ant control is included in our recurring general pest plan starting at $66 per month for a single-family home in Austin. That covers ants along with spiders, roaches, scorpions, wasps and rodents, so the whole ensemble cast on one ticket. Bigger house, bigger lot, the number moves. We confirm your exact price with a free on-site quote, and there is no inspection fee.

How long does it take to get rid of fire ants?

You will usually see mound activity drop within a few days of the first treatment, and most Austin yards are substantially clear within two to three weeks. Fire ants are a dirt problem more than a house problem, so the granular needs a watering cycle or two to wake up and get to work on the colonies sitting below the surface.

Why do the ants keep coming back after I spray them?

Because you got the delivery drivers, not the warehouse. About 90 percent of a colony never leaves the nest, including the queen, who is out-laying your spray bottle without breaking a sweat (Weizmann Institute study, eLife). Some species panic and split into several colonies when they taste something repellent, which is how one problem becomes five. We bait so the workers carry it home to her, because that is the only thing that actually ends a colony.

Is ant treatment kid and pet friendly?

Our treatments are pet and kid friendly and applied where ants travel rather than where your family does, and baits are placed in cracks, voids and stations out of reach. Keep kids and pets off treated turf until it dries, typically about 30 minutes, and your technician will walk you through everything applied before leaving.

Do you treat inside the house or just outside?

Both, and the outside matters more. That is where they live. Inside is just where they shop. Our standard visit covers the foundation, yard and property line, and if they are already trailing across your kitchen we treat the entry points and drop bait on the same visit at no extra charge. Just tell us which room they picked.

Do I need ant treatment year-round in Austin?

Yes. Fire ants stay active through Central Texas's mild winters, and odorous house ants move indoors specifically when weather turns, toward moisture in dry months and warmth in cold ones. Recurring service maintains the treated barrier so new colonies cannot establish against your foundation in the first place.

Does living west of MoPac change how you treat ants?

Yes. On the limestone side the colony is usually not under the mound you see, it is in a rock seam or under landscape stone several feet away, so broadcast granular over the turf and bait at the seams does more than spot treatment ever will. On the clay side east of the highway the colonies ride up with the water table after rain, so we time the yard treatment around watering and storms. Your technician checks which ground you are on first.

Why do my pier-and-beam floors have ants but my neighbor's slab does not?

An older Austin home on piers sits over shaded, damp soil, which is where odorous house ants like to nest. The floor above has decades of gaps around plumbing and at the walls, so the trail comes straight up into the kitchen. A slab next door has fewer routes and a drier footprint. We treat the foundation perimeter and the spots where the trail enters, then bait the routes inside, and the trail dries up at the source.

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Ant control in nearby cities

We treat ants in every city we serve. Same crew, same guarantee, wildly different dirt. Find your city below, read the full ant control overview, or check the complete service area.

Cedar Park Georgetown Hutto Leander Pflugerville Round Rock

Answered 24 hours · Austin, TX

Ants gone. And a plan so they stay gone.

Free quote, same-day service across Austin, and free re-treatments if they come back between visits.

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