To keep geckos out of your Florida house, block the small gaps they use to enter and reduce the insects that attract them. Repair screens, seal openings around doors, windows, pipes, and vents, and use gentle removal rather than trying to poison or harm a harmless lizard.
Why geckos get into Florida homes
Florida’s warm climate supports geckos outdoors for much of the year, and homes offer easy access to two things they need: shelter and food. Small geckos often hunt insects around porch lights, windows, and other places where bugs gather. If a door is left open or a screen has a tear, a gecko following prey can slip inside.
House geckos are commonly seen on walls and ceilings, especially near lights after dark. Their presence does not necessarily mean a home is dirty. A single lizard may have entered accidentally, while recurring sightings can point to an entry gap, an insect source, or both.
Florida has several kinds of native and introduced geckos. Identifying a particular animal from a quick glimpse can be difficult, and appearances vary. In general, small geckos found around buildings are not a reason for panic. Avoid handling one if you are unsure what it is, and keep pets and children from grabbing it.
Start with a careful inspection
Look for ways in at ground level and around the parts of the home that connect indoors with outdoors. Check after dark as well as during the day: a gecko may be easier to spot when it is near a light attracting insects. A flashlight can help reveal damaged mesh and narrow gaps.
- Inspect door sweeps, weatherstripping, and the edges of exterior doors.
- Check window screens, screen doors, and screened porches for holes or loose edges.
- Look around plumbing, wiring, air-conditioning lines, and other wall penetrations.
- Examine vents and utility openings; make sure protective covers are intact and unobstructed.
- Check garage doors, attic access points, and gaps where siding meets trim or the foundation.
Pay particular attention to openings with insect activity or droppings nearby. Do not seal a gap until you understand what it is for. Some openings provide necessary ventilation or drainage, and covering them can create moisture or equipment problems. Ask a qualified contractor to assess an opening if its purpose is unclear.
Seal entry points without creating new problems
Fixing access is usually more reliable than trying to repel every lizard. Replace torn screens or have them repaired, fit door sweeps that meet the threshold, and renew worn weatherstripping. Use an appropriate sealant for small, stationary cracks, following its label and the surface manufacturer’s instructions.
For gaps around pipes or cables, choose a repair method suitable for the material and the conditions. Do not block vents, drainage paths, or openings needed by appliances. If a gap leads into an attic, wall cavity, or roof area, consider a professional inspection rather than sealing it blindly; an animal could be trapped inside.
Check repairs periodically, especially after storms or home maintenance. A screen that looks intact from a distance may have a small tear at a corner, and a door sweep can loosen with use. Keeping a simple note of where you see geckos helps target the next inspection.
Reduce insects and the attraction of outdoor lights
Geckos are predators of small invertebrates, so reducing the insects around the house can make the area less appealing. Keep food scraps and rubbish contained, clean up spilled pet food, and fix leaks or standing water that may contribute to insect activity. Keep vegetation from pressing directly against the house where practical, while still following local guidance for landscaping and drainage.
Outdoor lighting can draw flying insects, which in turn can attract geckos. Where it is practical and safe, turn off unnecessary exterior lights, use timers or motion controls, and position lights away from doors and windows. A warm-toned bulb may attract fewer insects than some brighter, cooler lights, but lighting effects vary with the bulb, surroundings, and insect species. No bulb choice guarantees that geckos will stay away.
Do not rely on insecticides as a gecko-control method. Pesticides can pose risks to people, pets, wildlife, and beneficial insects when used incorrectly, and they do not repair the entry route. If insects are a persistent problem, identify the source and follow product labels or consult a licensed pest professional.
What to do when a gecko is already inside
If one gecko is indoors, first close interior doors so it cannot move into more rooms. Keep pets away. Open an exterior door or window with an intact screen nearby if that creates a safe route out, and give the animal space to leave on its own. Avoid chasing it aggressively; a frightened lizard may dart into a hiding place.
If it is in a reachable spot and needs assistance, a container and stiff piece of paper can sometimes be used to guide it outside without direct contact. Move slowly, do not squeeze or grab the animal, and release it outdoors in a sheltered spot. If you cannot do this safely, or the lizard is in a high or inaccessible area, contact a local wildlife or pest professional for appropriate guidance.
After it leaves, look for the entry point and address it. Removing the animal without changing the conditions that brought it in may only solve the problem temporarily. If you find a number of animals, eggs, or signs of an animal inside a wall or attic, avoid disturbing the area and seek professional help.
Repellents, traps, and common misconceptions
Claims that household ingredients or scented products reliably repel geckos are not a dependable substitute for exclusion. There is no reason to assume that a strong smell, a particular plant, or an ultrasonic device will keep every gecko away. Avoid spreading substances where children or pets can reach them, and do not apply products to an animal.
Glue boards and other sticky traps can injure geckos and other small animals and may leave an animal struggling. They are not a humane first choice for a harmless lizard. Poison is also unsuitable: it can create risks to other animals and does not solve the structural access problem. When choosing any pest-control product, read its label carefully and use it only for the stated purpose.
A gecko indoors is not proof of an infestation, and seeing one does not automatically mean there are many hidden in the house. On the other hand, repeated sightings deserve a practical response: inspect likely entrances, look for insects, and repair the conditions that allow access.
When to get professional help
Consider hiring a qualified pest-control or home-repair professional if geckos keep appearing despite repairs, if you cannot identify how they are getting in, or if the suspected entry point is near wiring, roofing, ventilation, or a hard-to-reach cavity. Ask what methods will be used, how non-target animals will be protected, and whether the proposed work includes sealing access rather than only applying a treatment.
If you need help identifying an animal, a local wildlife authority, university extension service, or qualified wildlife professional may be able to advise. Do not assume every small lizard is the same species or that the rules for handling wildlife are identical in every location. Check current guidance from the relevant Florida or local authority when identification or handling matters.
Frequently Asked Questions
Are geckos in Florida houses dangerous?
Most small geckos seen around homes are not a threat to people. Avoid handling an animal you cannot identify, and keep children and pets from catching it. If someone is bitten or scratched, seek appropriate medical advice.
Why do geckos come into my house at night?
They may be hunting insects drawn to lights or seeking shelter. Check screens, doors, and utility openings, and reduce insects near entrances by managing rubbish, spills, and unnecessary lighting.
Will turning off the porch light keep geckos away?
It may reduce the insects gathered around that light, which can make the spot less attractive to geckos. It will not prevent entry through a gap, so combine lighting changes with screen and door repairs.
Should I kill a gecko I find indoors?
No. A gecko can usually be guided outside or allowed to leave through a safe route. Avoid glue traps, poison, and direct handling; the lasting fix is to close the access point and address nearby insect activity.
Do mothballs or home remedies repel geckos?
Do not count on them as reliable control. Some substances can be hazardous if misused, particularly around children and pets. Focus on exclusion and follow official product directions for any pest-control treatment.
A practical prevention routine
For lasting results, pair small repairs with occasional checks. Keep screens and door seals in working order, look over wall penetrations and garage access, and manage outdoor insects and lighting. If a gecko gets inside, guide it out gently, then inspect the nearby route. These steps address why geckos enter instead of relying on a product or remedy that may only offer temporary relief.