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Leander, Texas

Ant control in Leander, TX.

Leander's ants nest in limestone seams and under landscape stone, not in the tidy mound your spray bottle was designed for. That is why the trail keeps reappearing a few feet over. The recurring plan baits the colony where it actually lives, from $66 a month, and free re-treatments cover any trail that comes back between visits.

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

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Before you read the rest, Leander

Thin dirt over fractured rock, sprinklers running to compensate, cedar shade on the trim. Here is the Leander version of the ant problem in six cards.

Peak season
March through November
Irrigated St. Augustine on rocky ground keeps fire ants active whenever the sprinklers run.
Most common
Fire & sugar ants
Fire ants in the watered turf, sugar ants trailing in from valve boxes along the slab.
Included in
$66/mo plan*
No ant upcharge, ever.
Why spray fails
Queen survives
Bait is what reaches the colony.
Trigger
Irrigation
Sprinkler boxes are a top indoor entry route.
Guarantee
Free re-treatments
Trails return between visits? So do we.

Ant control is included in our general pest plan.

Leander lots run from a quarter acre in Bryson to hillside spreads in Travisso, and ants are covered at every size because they are part of the base plan, not a separate service. Spiders, roaches, scorpions, wasps and rodents ride along on the same visit. A trail that returns between visits earns a free re-treatment. Your lot size changes the starting rate, never the coverage.

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

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

Ant control in Leander: 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 Leander.

Three steps, every visit, the full TriBarrier treatment. Identification and bait lead the way with ants, because killing foragers and never touching the queen is the exact reason ant problems keep reappearing.

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 confirm the species before a sprayer leaves the truck, then place bait the workers want and let them run it home to the queen. The colony handles its own downfall, which is efficient of them.

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

Treat the yard and nests

A granular broadcast across the turf plus direct treatment of mounds, rock seams and landscape stone, reactivated every time you water. That is what stops fire ants re-establishing 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. With so much rock here, that irrigation box is often the real front door.

Recognize any of these in your Leander 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 Leander.

Leander sits on thin rocky soil over fractured limestone, and that changes ant behavior completely compared with the blackland prairie east of I-35. Colonies move into rock seams, under limestone slabs and beneath your landscape stone instead of building a tidy soil mound, which makes them harder to find and near enough impossible to hit with a sprayer. When you treat a trail here, the nest is frequently under a boulder or inside a rock wall several feet away, completely untouched.

Irrigation is the other half of it. Native soil here is shallow and drains fast, so Leander yards get watered hard, and every sprinkler box, valve cover and drip line turns into a nice damp studio apartment right against your foundation. Odorous house ants, the tiny brown "sugar ants" that trail across a kitchen counter, nest in exactly those spots, then follow plumbing lines and slab cracks indoors. Irrigation boxes are among the most common indoor entry routes we document here.

Fire ants are a turf problem more than a house problem, and Leander's irrigated lawns are exactly where they pile up. A watered St. Augustine lawn sitting on rocky ground gives them the moisture they need in an otherwise dry landscape, which is why mounds tend to appear in the maintained turf and along the driveway rather than out in the caliche. New sections in Bryson, Palmera Ridge and Deerbrooke are prime territory because graded ground has no established colony competing, the first queens to land own the block.

And carpenter ants matter more here than in most of the metro. Leander homes sit among cedar and live oak, often with wood trim, fascia, pergolas and decks in contact with damp shaded areas. Carpenter ants excavate galleries in that damp wood. They do not eat it, but the tunneling weakens it. Sawdust-like shavings under window trim or a pergola beam is the tell, and it is a structural issue rather than a nuisance one.

Rocky soil and rock walls

Colonies nest in limestone seams and under landscape stone, out of reach of surface spraying.

Heavy irrigation

Sprinkler and valve boxes create moist harborage against the foundation. And a route indoors.

Irrigated turf

Watered lawns concentrate fire ant mounds in the maintained grass rather than the surrounding caliche.

Cedar and oak cover

Damp shaded wood trim, fascia and pergolas give carpenter ants somewhere to excavate.

Seasonal pattern

When fire ants peak in Leander.

Fire ants peak twice a year, which catches most people out. Spring rain drives them up and the mounds appear across the lawn. Summer heat sends them deep. Then fall hands you a second season you were not expecting.

Typical fire ant surface activity in Leander 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 when the mounds actually show up.

The summer trap
July & August

Looks like the problem solved itself. It did not. Heat drives them deeper and the mounds simply stop being visible.

Second peak
September & October

They forage again and the mounds return with them. Texas A&M rates late August to mid-October as prime baiting time.

From real jobs

Every one of these came off an actual Leander job. Getting the species right matters more with ants than almost any other pest, so take a good look.

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

Around 2mm and amber colored. This is the species where DIY spray genuinely multiplies the problem.

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

Classic sealed dome. Fire ants travel through tunnels that surface well away from the mound you can see.

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

One spill and one scout is all it takes. Squashing one releases a rotten coconut smell, which is literally how they were named.

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 unaccompanied. Carpenter ants indoors point to damp wood somewhere close, and the wood is the real repair.

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

A dead straight line toward the sink. They are after water, so tidying the countertop achieves very little.

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 as a route march, all pointing at a single drip. Ants find the leak long before you notice it.

Photographs taken on real Leander service calls. All six are regulars here. 843-480-8699 and we will identify it for you.

Know your pest

The ants we actually find in Leander homes.

Wrong bait, wrong result. An ant species that wants protein walks right past a sugar bait and files a complaint. In Leander the shortlist is set by the ground: fire ants in the irrigated turf over limestone, odorous house ants in the valve boxes, carpenter ants in the damp cedar trim, and acrobat and rover ants in the fresh slabs of Palmera Ridge and Deerbrooke. Your technician confirms the species on site before treating, because a shortlist is 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 irrigated turf with no front door. Aggressive when disturbed, and they sting repeatedly, because once apparently did not feel like enough. 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

Your classic tiny brown sugar ant. Squish one and it smells faintly of rotten coconut, which is nature at its least appealing. They nest outdoors in irrigation boxes, damp soil and mulch, then trail indoors toward kitchens and pet bowls with real commitment. 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, decking, anything touching soil. Very common on Leander's shaded cedar and oak lots. Little sawdust piles 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.

Small ants with a heart-shaped rear end they hoist in the air when annoyed, which is often. On Leander's newer builds in Bryson and Deerbrooke they nest in wall voids and behind foam board, getting in through the same unsealed gaps around line sets and soffits that let mice in. You usually meet them at a window frame or an outlet. Sealing the gap matters as much as the bait.

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 told them there were free tacos. Very common in newer Leander 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 absolutely must not spray. Hit them with a repellent and the colony splits up like a boy band. Now you have five problems and a reunion tour. Bait only. 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.

The first ant is a scout checking the reviews. The signs below mean the reviews were good. Leander's rock seams keep the actual nest out of sight, so these clues carry more weight here than a visible mound would. Describe what you see when you call. Most days we can tell you over the phone whether it needs someone out the same day.

  • Fresh mounds in the turf within a day of watering
  • A steady two-way trail along baseboards or slab edges
  • Ants concentrated at dishwashers, sinks and pet bowls
  • Sawdust-like shavings under trim, fascia or a pergola
  • Winged swarmers indoors in spring and early summer
  • Ants inside the electrical panel or AC disconnect
  • Trails surfacing from under landscape boulders or a stone bed
  • Carpenter ant shavings beneath cedar fascia on a shaded elevation

Your Leander neighborhood is on the route.

Ant calls in Leander sort themselves by how new the street is. Bryson, Palmera Ridge and Deerbrooke are freshly graded rock with no established colony, so the first fire ant queens to land own the block and the sprinkler boxes fill with sugar ants. Crystal Falls and Travisso sit in the cedar and oak, where carpenter ants work the shaded trim. Whichever you have, an ant exterminator in Leander from this crew treats the colony, not the trail.

Block House Creek Bryson Caballo Ranch Cold Springs Crystal Falls Deerbrooke Grand Mesa Highlands at Crystal Falls Horizon Park Larkspur Mason Hills Oak Grove Estates Palmera Ridge Savanna Ranch Summerlyn Travisso

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

Ask us about ants in Leander.

How much does ant control cost in Leander, TX?

Ant control is included in our recurring general pest plan starting at $66 per month for a single-family home in Leander. That covers ants along with spiders, roaches, scorpions, wasps and rodents. Larger homes and acreage lots are priced higher, and we confirm your exact number with a free on-site quote.

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 Leander lawns are substantially clear within two to three weeks. Fire ants are a soil and turf problem, so the granular treatment needs one or two watering cycles to activate fully and reach the colonies below the surface.

Why do ants keep coming back after I spray them?

Because spray kills foragers, not the colony. Roughly 90 percent of an ant colony never leaves the nest, including the queen, who is replacing workers faster than you can spray (Weizmann Institute study, eLife). In Leander the nest is often tucked into a rock seam or under landscape stone several feet from the trail, so surface treatment never reaches it. Some species also split into multiple colonies when they detect a repellent product. Baiting is what actually ends a colony. The EPA's integrated pest management principles are a solid non-commercial read on why.

Where are the ants getting in?

On Leander properties the most common route is the irrigation system: sprinkler boxes, valve covers and drip lines create moist harborage right against the foundation, and ants follow plumbing lines and slab cracks in from there. Weep holes, expansion joints, door thresholds and utility penetrations are the others. We treat all of them as part of the perimeter.

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 go into 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 outside does most of the work. That is where the colony actually lives. Inside is just where it shops. The standard visit covers foundation, yard and property line, and if they are already indoors we treat entry points and bait the same visit at no extra charge.

Why can't I find the mound when I see ants in my Leander yard?

Because there probably is not one, at least not the kind you are picturing. With a few inches of soil over fractured limestone, colonies move into rock seams, under boulders and inside landscape walls rather than piling up loose dirt. The trail you can see may start several feet from where the queen actually sits. That is why we bait along the trail and the rock edges instead of hunting for a mound to drench.

Do the carpenter ants in Leander's cedar trim mean the wood is rotting?

Usually it means the wood has been staying damp, which is a step before rot and worth knowing. Shaded fascia, pergola beams and window trim under Leander's juniper and live oak canopy dry slowly, and carpenter ants excavate exactly that. Fine shavings below the board are the sign. We treat the colony in the wood and around the foundation, then point out which pieces need drying out or replacing so they do not come back to the same buffet.

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Nearby cities we treat for ants

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

Austin Cedar Park Georgetown Hutto Pflugerville Round Rock

Answered 24 hours · Leander, TX

Ants gone. And a plan so they stay gone.

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

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