The short version
Most yard treatments in Los Angeles cost about $75–$200 per visit, or $350–$900 for a season. Removing standing water costs nothing and helps the most.
- A visit in Los Angeles usually costs $75–$200.
- A full season usually runs $350–$900.
- Removing standing water is free and helps most.
- Ask what happens if bites return between visits.
- Compare plans by visits and products, not just price.
Homeowners and renters in Los Angeles who want their yard back.
What to look for
Mosquitoes breed in standing water, even a bottle cap's worth. In summer heat, eggs become biting adults in about a week. Around Los Angeles, mosquito season runs from about March into November. Often the source is a neighbor's yard or a storm drain.
- 1Bites getting worse after each wet spell.
- 2Swarms rising from shrubs when you brush past.
- 3Adults resting under deck boards or in ivy.
- 4A neighbor's pool turning green and untended.
- 5Egg rafts floating on stagnant water.
- 6Dogs testing positive for heartworm.
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 🧮
Estimate a season of mosquito control in Los Angeles
Adjust for your situation to see a ballpark range.
Estimated range
A rough guide only. Your quote depends on your yard and how many visits you need.
Treatment options and typical costs
Property Inspection for Breeding Sites
$0–$150 (often bundled with a first treatment)
Most mosquitoes biting you in Los Angeles 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
Misting Systems and In2Care-Style Stations
misting $2,000–$4,500 installed plus refills; stations $200–$500 per season
Neither option replaces the basics. Anyone in Los Angeles who suggests stations or misting should still be tipping containers and treating standing water on every visit.
- Time
- Misting: half a day. Stations: under an hour.
- Best for
- Specific yards: heavy outdoor use or spray-averse owners
Source Reduction and Larviciding
$75–$150 per visit
Larvicides used by licensed pros in Los Angeles target mosquito larvae and are low in toxicity to pets, fish, and pollinators when used as the label directs. Ask which product is being used and why.
- Time
- 45–90 minutes
- Best for
- Yards with standing water, clogged gutters, ponds, or drains
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.
A treatment visit covers the shaded plants and beds where adults rest, along with any standing water that can't be drained.What mosquito control costs in Los Angeles.
- A typical home in Los Angeles is worth around $912k, and a season of treatment costs far less than most outdoor projects. With a season running from about March into November around Los Angeles, most plans cover seven or eight visits. - Barrier (Residual) Yard Treatment: $75–$200 per visit; $350–$900 per season - Source Reduction and Larviciding: $75–$150 per visit - Misting Systems and In2Care-Style Stations: misting $2,000–$4,500 installed plus refills; stations $200–$500 per season - Property Inspection for Breeding Sites: $0–$150 (often bundled with a first treatment)
Local mosquitoes conditions in Los Angeles.
An inspection in Los Angeles usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Los Angeles, the area is mostly urban, 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. Los Angeles sits in a mediterranean climate, and that sets the pace for mosquito activity here: late spring through early fall; year-round in the deep south. A provider who works Los Angeles and California 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. Knowing Los Angeles'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.
Mosquitoes that bite indoors usually slip in through gaps around doors or torn window screens.Which mosquitoes bite around Los Angeles.
They breed in storm drains. House mosquitoes (Culex) bite from dusk into the night. They also bite by day, often near or inside homes. Yellow fever mosquitoes live around Los Angeles too. They breed in small containers. They're black-and-white and bite by day. Asian tiger mosquitoes are common around Los Angeles. Near the coast, salt-marsh mosquitoes can fly into Los Angeles from miles away. They're the main West Nile carriers.
Mosquito season in Los Angeles.
Plan on regular visits. That's a long season. West Nile cases usually peak in late summer.
A year of mosquitoes in Los Angeles.
- Spring: the first wave arrives early in Los Angeles. 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 84°F in Los Angeles, check water twice a week.
The weekly water walk.
- Saucers and pots: empty them or add sand. - Gutters: clear leaves so water drains. - Tree holes: fill them with sand. - AC drip lines and downspouts: make sure water drains away. - Pet bowls: refresh daily. - Birdbaths: change the water twice a week. - Tarps and covers: pull them tight so water runs off. - Toys and buckets: store them upside down.
Avoiding bites.
- Clothing: long sleeves and pants help at dusk. - Repellent: DEET, picaridin, IR3535 or oil of lemon eucalyptus. - Timing: tiger mosquitoes bite by day; house mosquitoes at dusk. - Screens: repair holes in window and door screens. - Fans: a patio fan keeps weak-flying mosquitoes away.
Low-cost ways to cut mosquitoes.
- Mosquito fish: they eat larvae in ornamental ponds. - Mosquito dunks: Bti tablets kill larvae in rain barrels and ponds. - Lights: yellow bug lights attract fewer insects to the porch. - Trimming: thin out dense shrubs and tall grass. - Pumps and fountains: moving water breeds far fewer mosquitoes.
Mosquito or look-alike?
- Non-biting midges: swarm near water at dusk. Harmless, just annoying. - Crane flies: look like giant mosquitoes. They don’t bite. - Mosquitoes: slim, long legs, and a needle-like mouth. - No-see-ums: tiny biting gnats near marshes. Screens need a finer mesh.
When a bite needs a doctor.
Spreading swelling or an infected-looking bite needs a check too. 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.
Protecting your pets.
Talk to your vet about year-round prevention. Heartworm reaches dogs through mosquito bites, and cats can get it as well; Los Angeles's June–October season is long enough that most vets advise year-round prevention. Refresh pet water bowls daily; in dry Los Angeles a bowl or an irrigation puddle is often the only standing water on the block. Keep animals inside until a yard treatment dries.
What a treatment visit looks like.
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. Then they spray shady shrubs, where adults rest. Larvicide goes in water you can't drain.
Rain barrels and ponds.
- Ponds: fish and moving water keep larvae down. - Barrels: cover openings with fine mesh. - Pool covers: drain standing water after rain. - Tarps: shake out any that hold rainwater. - Gutters: clear them so water drains away. - Bird baths: change the water every few days.
Questions to ask before you sign.
- How often will you come? - What product will you spray? - When can kids and pets go back outside? - How do you protect bees and flowers? - What happens if bites come back between visits? - Do you treat standing water too?
Ways to keep the cost down.
- Trim dense shrubs so fewer adults can rest there. - Dump standing water every week. It’s free and works. - Book early. Spring sign-ups sometimes cost less. - Compare what each plan includes, not just the price. - Ask about a shorter plan for peak months only.
What affects the price
- Special-event timing and rush scheduling.
- Number of visits the local season needs.
- In2Care-style station count and servicing.
- Lot size and total acreage treated.
- Misting system installation and refills.
- Standing water requiring larvicide.
- Travel distance from the company's base.
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What's your biggest concern about mosquito control costs?
When to call for help
Ponds, drains and dense shrubs are hard to handle yourself. early in the season, before the first big wave. Dumping water should come first. Call if bites still keep you indoors.
What you can do yourself
They also spray where adults rest, every few weeks. A pro adds larvicide for water you can't drain. Use repellent and run a fan on the patio. The biggest win is free: dump standing water every week.
Mosquitoes in Los Angeles
Summer highs around 84°F in Los Angeles speed up the life cycle, and average humidity near 71% keeps adults active. In denser parts of Los Angeles, storm drains, catch basins and gutters are big breeding spots. Los Angeles only gets about 15 inches of rain a year, so local mosquitoes breed where people add water: sprinklers, pools, fountains and AC drips.
Local research
Mosquitoes in Los Angeles, CA: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in California, when they are busiest around Los Angeles, 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.
CDCMosquito species recorded in California
- 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 Los Angeles
Washington DOH: detections from May (earliest) to October (latest). California reports its heaviest WNV activity in late summer; CDC peak is late August to early September.
CDC lists California among states with limited local dengue spread from Aedes aegypti.
Rules that apply in California
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; California Department of Public Health / MVCAC; Potential Range of Aedes Mosquitoes. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep mosquitoes away
- Trim shrubs and ivy to reduce resting cover.
- Fix low spots that hold water for days.
- Run a fan on the patio at dusk.
- Keep tarps taut so they shed water.
- Wear DEET or picaridin repellent outdoors.
- Book barrier treatments before the season starts.
Renting? Shared courtyards, drains and landscaping are usually the property manager's to handle, so let them know.Did you know?
A female's wings beat hundreds of times per second
Tiger mosquitoes arrived in used tires in the 1980s
Questions people ask
How much does a single mosquito treatment cost?
Usually $75–$200 per visit. Bigger or shadier yards cost more.
Are there cheaper options than a full seasonal plan?
Use repellent. Run a patio fan. A one-time spray before an event also helps. Yes. Remove standing water weekly.
Do companies charge extra for re-treatments between visits?
Others charge. Ask before you sign. Some include a free re-spray within a set window.
What does a seasonal mosquito plan cost?
Usually $350–$900 for the season. Around Los Angeles, the season runs from about March into November, which sets how many visits you need.
What does a mosquito inspection involve?
They also check shady spots where adults rest. Gutters, saucers, tarps and low spots get checked first. The tech walks the yard looking for standing water.
How long does a mosquito treatment last?
A barrier spray usually lasts three to four weeks. Heavy rain can shorten that.
What should I do before the pro arrives?
Move toys and pet bowls. Tell them where you get bitten most. Dump standing water.
Should I worry about West Nile virus?
Around Los Angeles, yes, mosquitoes can transmit West Nile virus and other diseases, so control is about reducing both the nuisance and the risk. West Nile virus is the most common mosquito-borne disease in the U.S.
When is mosquito season in Los Angeles?
It runs from about March into November. Daytime biters are tiger mosquitoes; evening biters are usually house mosquitoes.
Do mosquitoes in Los Angeles carry West Nile?
Cases usually peak in late summer. Repellent and dumping standing water are your best protection. They can. West Nile is found in every lower-48 state, California included.
Nearby cities
Related guides
Sources (11)
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