The short version
Around Houston, mosquito season runs from about March into November. Start by dumping standing water every week. A barrier spray every few weeks adds steady relief.
- Dump standing water every week.
- Daytime biters are usually tiger mosquitoes.
- Barrier sprays last about three to four weeks.
- Larvicide handles water you can’t drain.
- Use repellent with DEET, picaridin or IR3535.
Anyone in Houston tired of mosquito bites at home.
What to look for
Often the source is a neighbor's yard or a storm drain. In summer heat, eggs become biting adults in about a week. Mosquitoes breed in standing water, even a bottle cap's worth.
- 1Rain barrels without screens or lids.
- 2Swarms rising from shrubs when you brush past.
- 3Adults resting under deck boards or in ivy.
- 4Mosquitoes indoors resting on walls or in closets.
- 5Whining near your ears at night indoors.
- 6Bites getting worse after each wet spell.
Why it’s worth acting soon
- Each new generation is bigger than the last.
- Bites can spread West Nile virus.
- Itchy welts, especially for kids.
- Heartworm risk for dogs.
bite, to get protein for their eggsOnly female mosquitoesUS CDC in standing water, from a bottle cap to a pondMosquitoes breedUS EPA West Nile virus is the most common mosquito-borne disease in the U.S.Mosquito diseasesUS CDC Treatment options and typical costs
Property Inspection for Breeding Sites
$0–$150 (often bundled with a first treatment)
Most mosquitoes biting you in Houston were born within a few hundred feet of your door, so the inspection maps every container, drain, and puddle on the lot. That map becomes the treatment plan.
- Time
- 30–60 minutes
- Best for
- Every yard; finds where mosquitoes actually breed
Source Reduction and Larviciding
$75–$150 per visit
This visit often doubles as homeowner coaching, since most breeding sites on a Houston lot can be eliminated by hand. A pro points them out so they stay gone.
- Time
- 45–90 minutes
- Best for
- Yards with standing water, clogged gutters, ponds, or drains
Misting Systems and In2Care-Style Stations
misting $2,000–$4,500 installed plus refills; stations $200–$500 per season
Expect a site walk before any install. Nozzle and station placement depend on the lot. Ask for the refill and service costs up front.
- Time
- Misting: half a day. Stations: under an hour.
- Best for
- Specific yards: heavy outdoor use or spray-averse owners
Barrier (Residual) Yard Treatment
$75–$200 per visit; $350–$900 per season
Relief usually shows within a day or two.
- Time
- 20–45 minutes per visit, repeated every 3–4 weeks
- Best for
- Shaded yards with shrubs, ivy, and dense landscaping
Prices are typical published ranges. Ask what’s included before you compare quotes.
Leaf-clogged gutters and downspouts hold water out of sight. Clearing them in fall means fewer places to breed in spring.Which mosquitoes bite around Houston.
They're black-and-white and bite by day. They breed in small containers. Yellow fever mosquitoes live around Houston too. They also bite by day, often near or inside homes. House mosquitoes (Culex) bite from dusk into the night. They breed in storm drains. They're the main West Nile carriers. Asian tiger mosquitoes are common around Houston.
Local mosquitoes conditions in Houston.
The area is mostly residential, so mosquitoes pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. An inspection in Houston usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Houston's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote. A provider who works Houston and Texas every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Houston sits in a local climate, and that sets the pace for mosquito activity here: the warmer months.
Mosquitoes that bite indoors usually slip in through gaps around doors or torn window screens.Mosquito season in Houston.
Plan on regular visits. That's a long season. West Nile cases usually peak in late summer.
A year of mosquitoes in Houston.
- Spring: the first wave arrives early in Houston. Start treatments then. - Winter: a good time to fix drainage and low spots. - Fall: numbers stay high. Keep gutters clear of leaves. - Summer: with highs near 95°F in Houston, check water twice a week.
The weekly water walk.
- Tree holes: fill them with sand. - Gutters: clear leaves so water drains. - Saucers and pots: empty them or add sand. - Toys and buckets: store them upside down. - Tarps and covers: pull them tight so water runs off. - Birdbaths: change the water twice a week. - Pet bowls: refresh daily. - AC drip lines and downspouts: make sure water drains away.
Avoiding bites.
- Timing: tiger mosquitoes bite by day; house mosquitoes at dusk. - Repellent: DEET, picaridin, IR3535 or oil of lemon eucalyptus. - Clothing: long sleeves and pants help at dusk. - Fans: a patio fan keeps weak-flying mosquitoes away. - Screens: repair holes in window and door screens.
Low-cost ways to cut mosquitoes.
- Lights: yellow bug lights attract fewer insects to the porch. - Mosquito dunks: Bti tablets kill larvae in rain barrels and ponds. - Mosquito fish: they eat larvae in ornamental ponds. - Pumps and fountains: moving water breeds far fewer mosquitoes. - Trimming: thin out dense shrubs and tall grass.
Mosquito or look-alike?
- Mosquitoes: slim, long legs, and a needle-like mouth. - Crane flies: look like giant mosquitoes. They don’t bite. - Non-biting midges: swarm near water at dusk. Harmless, just annoying. - No-see-ums: tiny biting gnats near marshes. Screens need a finer mesh.
When a bite needs a doctor.
See a doctor for high fever, stiff neck or confusion. About one in five get a fever, headache or body aches. Most people infected with West Nile virus never feel sick. Most bites just itch for a few days. Spreading swelling or an infected-looking bite needs a check too.
Protecting your pets.
Talk to your vet about year-round prevention. Heartworm reaches dogs through mosquito bites, and cats can get it as well; Houston's season runs roughly May into December, so year-round prevention is the usual advice. Refresh pet water bowls daily; with about 50 inches of rain a year in Houston, bowls and plant saucers refill themselves. Keep animals inside until a yard treatment dries.
What a treatment visit looks like.
Then they spray shady shrubs, where adults rest. Larvicide goes in water you can't drain. They dump or treat standing water. The tech walks the yard first. A visit usually takes 20 to 45 minutes. Most plans repeat every three to four weeks.
Rain barrels and ponds.
- Pool covers: drain standing water after rain. - Barrels: cover openings with fine mesh. - Ponds: fish and moving water keep larvae down. - Bird baths: change the water every few days. - Gutters: clear them so water drains away. - Tarps: shake out any that hold rainwater.
Questions to ask before you sign.
- When can kids and pets go back outside? - What product will you spray? - How often will you come? - Do you treat standing water too? - What happens if bites come back between visits? - How do you protect bees and flowers?
What affects the price
- One-time visit versus a seasonal plan.
- Amount of shade and dense vegetation.
- Special-event timing and rush scheduling.
- Synthetic versus botanical barrier products.
- Re-treatment policy between scheduled visits.
- Local labor rates and licensing costs.
📊
What's your biggest concern about mosquitoes?
When to call for help
early in the season, before the first big wave. Ponds, drains and dense shrubs are hard to handle yourself. Call if bites still keep you indoors. Dumping water should come first.
What you can do yourself
A pro adds larvicide for water you can't drain. They also spray where adults rest, every few weeks. The biggest win is free: dump standing water every week. Use repellent and run a fan on the patio.
Mosquitoes in Houston
A local provider who knows Houston and Texas can point out the specific conditions that matter most here before you commit to a plan. Across Houston, take a minute to note where you have seen activity and when it appears, so the inspection is faster and the quote more accurate. Across Houston, most of the housing is residential, so the usual entry points, moisture spots, and sheltered areas near the structure are what an inspection checks first. Houston has a local climate, and mosquitoes activity here tends to pick up the warmer months. In denser parts of Houston, storm drains, catch basins and gutters are big breeding spots. Summer highs around 95°F in Houston speed up the life cycle, and average humidity near 75% keeps adults active. Houston gets about 50 inches of rain a year, so containers and low spots refill constantly through the season.
Local research
Mosquitoes in Houston, TX: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Texas, when they are busiest around Houston, and what the state figures look like. Everything below links to the agency or university page it came from.
West Nile neuroinvasive disease cases, 2024
Neuroinvasive counts are the most reliable state comparison because nearly all severe cases are diagnosed and reported.
CDCOther arboviral disease, 2024
Other mosquito-borne (or, for Powassan, tick-borne) viruses that appear in this state's 2024 surveillance.
CDCMosquito species recorded in Texas
- Yellow fever mosquito (Aedes aegypti) — CDC lists Aedes aegypti as more likely than Ae. albopictus to spread dengue, Zika, and chikungunya; prefers human hosts and lives in and around homes. Tropical, subtropical, and…
When mosquitoes are busiest around Houston
Long season; Texas DSHS notes mosquitoes remain active into November and December in much of Texas. CDC WNV season is June–October with a late-August/early-September peak.
Texas DSHS: mosquitoes remain active into November and December in much of Texas. CDC lists Texas among states with limited local dengue spread.
Rules that apply in Texas
For context, nationally
- 1,808 — West Nile virus disease cases reported, 2024. CDC
- 1,347 (75% of cases); 173 deaths — West Nile neuroinvasive disease cases, 2024. CDC
Sources: CDC; Texas Department of State Health Services; Potential Range of Aedes Mosquitoes. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep mosquitoes away
- Keep tarps taut so they shed water.
- Trim shrubs and ivy to reduce resting cover.
- Clean gutters each spring and fall.
- Empty plant saucers after every rain.
- Drop Bti dunks in water you cannot drain.
- Check AC drip lines and sump pits.
When you compare quotes, look at the season total, how many visits it covers and what happens if the bites come back.Did you know?
Over 3,500 mosquito species exist worldwide
Mosquito means little fly in Spanish
Questions people ask
When should mosquito treatments start each year?
Before the first big wave. Around Houston, the season runs from about March into November, so start a few weeks before.
Are misting systems worth it?
Most yards do fine with source removal and regular spraying. They're costly to install and need refills. For a few homes, yes.
How long does a mosquito treatment last?
A barrier spray usually lasts three to four weeks. Heavy rain can shorten that.
Will mosquito treatment kill bees and butterflies?
Spraying when bees rest helps too. Ask them to skip blooming plants. It can if spray hits flowers.
Do I need a seasonal plan or is one treatment enough?
Steady relief takes repeat visits. Barrier sprays fade in three to four weeks. One treatment helps for an event or a few weeks.
Do mosquitoes really change how people use their yards?
Across Houston, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest. Across Houston, because they keep breeding through the season, an ongoing plan usually works best.
When is mosquito season in Houston?
It runs from about March into November. Daytime biters are tiger mosquitoes; evening biters are usually house mosquitoes.
Do mosquitoes in Houston carry West Nile?
Repellent and dumping standing water are your best protection. Cases usually peak in late summer. West Nile is found in every lower-48 state, Texas included. They can.
Nearby cities
Related guides
Sources (5)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Mosquito Exterminator · Updated September 11, 2026 · How we write these guides