The short version
Most yard treatments in St. Petersburg cost about $75–$200 per visit, or $350–$900 for a season. Removing standing water costs nothing and helps the most.
- A visit in St. Petersburg 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 St. Petersburg who want their yard back.
What to look for
Petersburg, mosquito season runs nearly all year. Often the source is a neighbor's yard or a storm drain. Mosquitoes breed in standing water, even a bottle cap's worth. In summer heat, eggs become biting adults in about a week. Around St.
- 1Kiddie pools left full for days.
- 2Corrugated downspout extensions that never drain.
- 3Bites within minutes of stepping outside at dusk.
- 4Ornamental pond with no fish or pump.
- 5Welts on ankles and calves after yardwork.
- 6Swarms rising from shrubs when you brush past.
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 St. Petersburg
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 St. Petersburg 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
Larvicide works on the stage that cannot fly away, which is why crews in St. Petersburg treat it as the foundation of any plan. Adult spraying is the follow-up, not the fix.
- Time
- 45–90 minutes
- Best for
- Yards with standing water, clogged gutters, ponds, or drains
Monitoring and Seasonal Plans
$50–$150 per follow-up visit; $350–$900 per season bundled
Ask how they handle bites that return between visits. Many plans include a re-spray within a set number of days.
- Time
- 15–30 minutes per check; season runs spring through first frost
- Best for
- Anyone who wants the yard usable all summer
Barrier (Residual) Yard Treatment
$75–$200 per visit; $350–$900 per season
A barrier treatment coats the undersides of leaves, shrubs, and shaded surfaces where adult mosquitoes rest during the day around your St. Petersburg home. Adults that land there pick up a lethal dose.
- 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.
Adult mosquitoes spend the day in shady, leafy beds like this one, so that's where a barrier treatment goes.What mosquito control costs in St. Petersburg.
- Property Inspection for Breeding Sites: $0–$150 (often bundled with a first treatment) - Source Reduction and Larviciding: $75–$150 per visit - Monitoring and Seasonal Plans: $50–$150 per follow-up visit; $350–$900 per season bundled - Barrier (Residual) Yard Treatment: $75–$200 per visit; $350–$900 per season - A typical home in St. Petersburg is worth around $375k, and a season of treatment costs far less than most outdoor projects. Because the season runs nearly all year around St. Petersburg, expect more visits per year than in cooler places.
Local mosquitoes conditions in St. Petersburg.
St. Petersburg sits in a humid subtropical climate, and that sets the pace for mosquito activity here: late spring through early fall; year-round in the deep south. In St. Petersburg, 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. An inspection in St. Petersburg usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing St. Petersburg'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 St. Petersburg and Florida 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.
Mosquitoes that bite indoors usually slip in through gaps around doors or torn window screens.Which mosquitoes bite around St. Petersburg.
Asian tiger mosquitoes are common around St. Petersburg. They're black-and-white and bite by day. They breed in small containers. Yellow fever mosquitoes live around St. Petersburg 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.
Mosquito season in St. Petersburg.
West Nile cases usually peak in late summer. Around St. There's no real off-season, so steady habits matter more than timing.
A year of mosquitoes in St. Petersburg.
- Spring: numbers climb fast. Start treatments early. - Summer: with highs near 91°F in St. Petersburg, check water twice a week. - Fall: the season keeps going. Keep gutters clear of leaves. - Winter: activity drops but doesn't stop. Keep dumping water.
The weekly water walk.
- 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. - Tree holes: fill them with sand. - Gutters: clear leaves so water drains. - Saucers and pots: empty them or add sand.
Avoiding bites.
- Fans: a patio fan keeps weak-flying mosquitoes away. - Screens: repair holes in window and door screens. - 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.
Low-cost ways to cut mosquitoes.
- Pumps and fountains: moving water breeds far fewer mosquitoes. - Trimming: thin out dense shrubs and tall grass. - 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.
Mosquito or look-alike?
- No-see-ums: tiny biting gnats near marshes. Screens need a finer mesh. - 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.
When a bite needs a doctor.
Most bites just itch for a few days. Most people infected with West Nile virus never feel sick. About one in five get a fever, headache or body aches. See a doctor for high fever, stiff neck or confusion. Spreading swelling or an infected-looking bite needs a check too.
Protecting your pets.
Dogs get heartworm from mosquito bites. Cats can too. Ask your vet about year-round heartworm prevention. Change pet water bowls daily. Keep pets inside while a yard spray dries.
What a treatment visit looks like.
Larvicide goes in water you can't drain. Then they spray shady shrubs, where adults rest. Most plans repeat every three to four weeks. A visit usually takes 20 to 45 minutes. The tech walks the yard first. They dump or treat standing water.
Rain barrels and ponds.
- Bird baths: change the water every few days. - Gutters: clear them so water drains away. - Tarps: shake out any that hold rainwater. - Pool covers: drain standing water after rain. - Barrels: cover openings with fine mesh. - Ponds: fish and moving water keep larvae down.
Questions to ask before you sign.
- Do you treat standing water too? - What happens if bites come back between visits? - How do you protect bees and flowers? - When can kids and pets go back outside? - What product will you spray? - How often will you come?
Ways to keep the cost down.
- Ask about a shorter plan for peak months only. - Compare what each plan includes, not just the price. - Book early. Spring sign-ups sometimes cost less. - Dump standing water every week. It’s free and works. - Trim dense shrubs so fewer adults can rest there.
What affects the price
- Travel distance from the company's base.
- Synthetic versus botanical barrier products.
- Special-event timing and rush scheduling.
- Standing water requiring larvicide.
- Commercial or multi-unit property.
- In2Care-style station count and servicing.
- Ponds, creeks, or wetland edges on the property.
- Lot size and total acreage treated.
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What's your biggest concern about mosquito control costs?
When to call for help
Call if bites still keep you indoors. Dumping water should come first. early in the season, before the first big wave. Ponds, drains and dense shrubs are hard to handle yourself.
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 St. Petersburg
Petersburg speed up the life cycle, and average humidity near 74% keeps adults active. In denser parts of St. Petersburg, storm drains, catch basins and gutters are big breeding spots. St. Petersburg gets about 50 inches of rain a year, so containers and low spots refill constantly through the season. Summer highs around 91°F in St.
Local research
Mosquitoes in St. Petersburg, FL: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Florida, when they are busiest around St. Petersburg, 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.
CDCLocally acquired dengue cases, 2025
Local dengue transmission by Aedes aegypti is a recurring Florida problem, concentrated in Brevard and Miami-Dade.
Florida Department of HealthTravel-associated dengue cases, 2025
Imported cases seed local Aedes populations, which is why container control near homes matters in South Florida.
Florida Department of HealthMosquito species recorded in Florida
- 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 St. Petersburg
Year-round Aedes activity in the south; Florida DOH logged locally acquired dengue onsets from February through November 2025. WNV/EEE sentinel positives occur in most months.
Florida DOH week 53 report: Brevard and Miami-Dade under mosquito-borne illness alert; Alachua, Bay, Clay, Duval, Hernando, Hillsborough, Lafayette, Leon, Palm Beach, and Pasco under advisory at year-end 2025. Florida's endemic viruses are WNV, EEEV, and SLEV.
Rules that apply in Florida
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; Florida Department of Health; 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.
- Cover or drill drainage holes in tires.
- Trim shrubs and ivy to reduce resting cover.
- Add fish or a pump to ornamental ponds.
- Drop Bti dunks in water you cannot drain.
Jot down where you found standing water and when you get bitten. It gives a pro a head start.Did you know?
Over 3,500 mosquito species exist worldwide
Some species' eggs survive dry for months
Questions people ask
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.
How much does a single mosquito treatment cost?
Usually $75–$200 per visit. Bigger or shadier yards cost more.
What does a seasonal mosquito plan cost?
Around St. Petersburg, the season runs nearly all year, which sets how many visits you need. Usually $350–$900 for the season.
Why do mosquito quotes vary so much?
Some include re-sprays. Compare what's included, not just the price. Companies use different products and visit on different schedules.
Why are there so many mosquitoes in my yard specifically?
Usually there's water nearby, like a clogged gutter or tarp. Shady, damp plants give them a place to rest.
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.
What are In2Care stations and do they work?
Mosquitoes visit, then carry larvicide to other water. They work best against container breeders like tiger mosquitoes. They're small water traps.
Do mosquitoes really change how people use their yards?
In St. Petersburg, because they keep breeding through the season, an ongoing plan usually works best. In St. Petersburg, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest.
When is mosquito season in St. Petersburg?
It runs nearly all year. Daytime biters are tiger mosquitoes; evening biters are usually house mosquitoes.
Do mosquitoes in St. Petersburg 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, Florida included.
Nearby cities
Related guides
Sources (10)
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