Why You Have Centipedes and the House Next Door Might Not
Georgetown's house centipedes are hunters, not invaders in numbers. One in a house means it followed prey or moisture in, usually through a slab gap widened by drought. It is not the start of an infestation, and a single sighting rarely calls for treatment on its own.
The Balcones Escarpment split matters here. On the Edwards Plateau side of I-35 the ground is thin and rocky with more surface cracks; on the Blackland Prairie side the clay itself opens up when it dries. Either way, a centipede is following a gap, not a food source, into the house.
Roof rats outnumber Norway rats in Georgetown, and they get in high rather than low. A limb touching the fascia near Berry Creek or a gap at a soffit line in Teravista does more damage than any crack at ground level, because these rats bridge in from power lines and tree cover and settle into attics and gable vents. Norway rats show up too, but mostly near drainage low down. Checking the roofline first saves a homeowner from chasing the wrong entry point for weeks.
How to Identify Centipedes
- Long thin flattened body shape
- One pair legs per segment
- Yellowish to dark brown color
- Long trailing legs and antennae
- Fast erratic sideways movement
- No visible droppings or debris
- Found in bathrooms and sinks
- Turns up after drought breaks
- No nest or trail left
- Bite is rare and minor
- Local Pest Knowledge
- Active spring through fall in Georgetown, worse after rain drives them from the yard toward the slab edge and indoors
- Quarterly Plan
- an estimated $89–$189
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House millipedes. A millipede has two pairs of short legs per body segment and moves in a slow ripple, while a centipede has one pair of long legs per segment and moves in a fast dash. A millipede also curls into a tight coil when disturbed; a centipede runs instead.
What Happens When Someone Comes Out
The licensed pros we connect you with treat centipedes as a symptom of a bigger insect population outdoors, since centipedes eat other bugs. A perimeter treatment aimed at spiders, crickets and ants usually clears the centipedes with it, rather than targeting the centipede directly.
Sealing is part of the inspection, not an afterthought. A technician checks door thresholds, weep holes, and any gap around plumbing penetrations, and seals what is found so the next dry spell does not open the same route back into the house again.
Drive past a gas station on Williams Drive on a September night and the crickets under the lights tell you the season's turned. It happens on a schedule loose enough to call reliable and tight enough to plan around, and it has nothing to do with anything inside your walls. Cutting the porch light for a few weeks does more good than a can of spray ever will.
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What You Can Do About Centipedes Yourself
Run a dehumidifier in a damp bathroom or laundry room, fix any dripping fixture, and clear leaf litter and stacked wood away from the foundation. Centipedes follow moisture and prey, so drying out the spots they like removes the reason they came in without needing a chemical treatment.
Whether Centipedes Are Worth Worrying About
A house centipede can bite if handled, and it feels like a bee sting, but it is not a public health concern in Georgetown and does not spread disease. Most people never get close enough to be bitten; the bigger nuisance is the startle of seeing one move fast across a floor.
Talk to a Georgetown Pro
A scorpion under the door or a fire ant mound that showed up overnight after rain is not something to sit on in Georgetown. The licensed pros we connect you with know that the west side of I-35, from Sun City down through Cimarron Hills and Water Oak, is limestone ground where these things move differently than they do east of the highway. Call and describe what you're seeing — a phone call costs nothing and gets you talking to someone who can actually place the problem.Scorpion visits usually come with an entry point already at fault — a slab crack, a loose weep screen, a gap around a laundry line. Fixing that spot is often folded into the same visit rather than billed as extra, since it's a few minutes of caulk and screen versus a repeat call in July. Roof rat exclusion works the same way: the estimate covers sealing the fascia gap or gable vent that let them into the attic in the first place, not just clearing what's already up there. pricing guide, and the service that handles this is General Pest Control.