The short version
Most yard treatments in Annapolis cost about $75–$200 per visit, or $350–$900 for a season. Removing standing water costs nothing and helps the most.
- A visit in Annapolis 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 Annapolis 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 Annapolis, mosquito season runs from about May through September. Often the source is a neighbor's yard or a storm drain.
- 1Whining near your ears at night indoors.
- 2A sump pit or crawl space holding water.
- 3A neighbor's pool turning green and untended.
- 4Tarps, toys, or tires holding rainwater.
- 5Wriggling larvae in birdbaths, buckets, or saucers.
- 6Standing water in low spots a week after rain.
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 Annapolis
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)
A good job starts with a walk of the whole yard. The tech looks for water that sits for days. Gutters, plant saucers, tarps, and low spots get checked first.
- Time
- 30–60 minutes
- Best for
- Every yard; finds where mosquitoes actually breed
Barrier (Residual) Yard Treatment
$75–$200 per visit; $350–$900 per season
Most programs use a pyrethroid spray from a backpack mister. It fades over three to four weeks. Repeat visits keep the coverage up through the season.
- Time
- 20–45 minutes per visit, repeated every 3–4 weeks
- Best for
- Shaded yards with shrubs, ivy, and dense landscaping
Misting Systems and In2Care-Style Stations
misting $2,000–$4,500 installed plus refills; stations $200–$500 per season
Neither option replaces the basics. Stations and misting don't replace the basics: in Annapolis, containers should still be tipped and standing water treated each visit.
- Time
- Misting: half a day. Stations: under an hour.
- Best for
- Specific yards: heavy outdoor use or spray-averse owners
Monitoring and Seasonal Plans
$50–$150 per follow-up visit; $350–$900 per season bundled
Ask your pro what happens if bites come back between visits. Many plans include a re-spray within a set window. Ask first.
- Time
- 15–30 minutes per check; season runs spring through first frost
- Best for
- Anyone who wants the yard usable all summer
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 Annapolis.
- A typical home in Annapolis is worth around $525k, and a season of treatment costs far less than most outdoor projects. With a season running from about May through September around Annapolis, most plans cover five or six visits. - Property Inspection for Breeding Sites: $0–$150 (often bundled with a first treatment) - Barrier (Residual) Yard Treatment: $75–$200 per visit; $350–$900 per season - Misting Systems and In2Care-Style Stations: misting $2,000–$4,500 installed plus refills; stations $200–$500 per season - Monitoring and Seasonal Plans: $50–$150 per follow-up visit; $350–$900 per season bundled
Local mosquitoes conditions in Annapolis.
A provider who works Annapolis and Maryland 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 Annapolis'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. An inspection in Annapolis usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Annapolis, 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. Annapolis 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.
Mosquitoes that bite indoors usually slip in through gaps around doors or torn window screens.Which mosquitoes bite around Annapolis.
They're the main West Nile carriers. They breed in storm drains. House mosquitoes (Culex) bite from dusk into the night. They breed in small containers. They're black-and-white and bite by day. Asian tiger mosquitoes are common around Annapolis.
Mosquito season in Annapolis.
Numbers usually peak in July and August. West Nile cases usually peak in late summer.
A year of mosquitoes in Annapolis.
- Spring: dump water and clean gutters before May. - Summer: peak season in Annapolis, especially July and August. - Fall: activity fades with cooler nights. - Winter: fix drainage and store containers upside down.
The weekly water walk.
- 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. - Saucers and pots: empty them or add sand. - Gutters: clear leaves so water drains.
Avoiding bites.
- 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. - Clothing: long sleeves and pants help at dusk. - Repellent: DEET, picaridin, IR3535 or oil of lemon eucalyptus.
Low-cost ways to cut mosquitoes.
- 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 fish: they eat larvae in ornamental ponds. - Mosquito dunks: Bti tablets kill larvae in rain barrels and ponds.
Mosquito or look-alike?
- Mosquitoes: slim, long legs, and a needle-like mouth. - No-see-ums: tiny biting gnats near marshes. Screens need a finer mesh. - Non-biting midges: swarm near water at dusk. Harmless, just annoying. - Crane flies: look like giant mosquitoes. They don’t bite.
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.
Heartworm reaches dogs through mosquito bites, and cats can get it as well; in Annapolis the main exposure runs July through September. Talk to your vet about year-round prevention. Refresh pet water bowls daily; with about 46 inches of rain a year in Annapolis, bowls and plant saucers refill themselves. Keep animals inside until a yard treatment dries.
What a treatment visit looks like.
A visit usually takes 20 to 45 minutes. The tech walks the yard first. They dump or treat standing water. Larvicide goes in water you can't drain. Then they spray shady shrubs, where adults rest. Most plans repeat every three to four weeks.
Rain barrels and ponds.
- 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. - Ponds: fish and moving water keep larvae down. - Barrels: cover openings with fine mesh.
Questions to ask before you sign.
- 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? - How often will you come? - What product will you spray?
Ways to keep the cost down.
- 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. - Trim dense shrubs so fewer adults can rest there. - Dump standing water every week. It’s free and works.
What affects the price
- Local labor rates and licensing costs.
- Standing water requiring larvicide.
- Special-event timing and rush scheduling.
- Synthetic versus botanical barrier products.
- Number of visits the local season needs.
- One-time visit versus a seasonal plan.
- Commercial or multi-unit property.
- Amount of shade and dense vegetation.
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What's your biggest concern about mosquito control costs?
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
The biggest win is free: dump standing water every week. Use repellent and run a fan on the patio. A pro adds larvicide for water you can't drain. They also spray where adults rest, every few weeks.
Mosquitoes in Annapolis
In denser parts of Annapolis, storm drains, catch basins and gutters are big breeding spots. Summer highs around 87°F in Annapolis speed up the life cycle, and average humidity near 67% keeps adults active. Annapolis gets about 46 inches of rain a year, so containers and low spots refill constantly through the season.
Local research
Mosquitoes in Annapolis, MD: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Maryland, when they are busiest around Annapolis, 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.
CDCWhen mosquitoes are busiest around Annapolis
CDC: West Nile transmission June through October, peaking late August to early September. Illinois found its first positive mosquito batch of 2025 on May 9, so larval control should start in May.
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. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep mosquitoes away
- Drain kiddie pools when playtime ends.
- Book barrier treatments before the season starts.
- Check AC drip lines and sump pits.
- Run a fan on the patio at dusk.
- Cover or drill drainage holes in tires.
- Dump and scrub birdbaths every week.
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?
Mosquitoes home in on carbon dioxide from breath
Only females bite; males sip nectar
Questions people ask
Is a misting system worth the cost?
Regular spraying and source removal usually do the job. Installation runs into the thousands, plus refills. Rarely, for most yards.
What should a mosquito control quote include?
Larvicide should be listed if you have standing water. Also what happens if bites return. Visits, products, and what gets treated.
What does a seasonal mosquito plan cost?
Usually $350–$900 for the season. Around Annapolis, the season runs from about May through September, which sets how many visits you need.
How much does a single mosquito treatment cost?
Usually $75–$200 per visit. Bigger or shadier yards cost more.
What if the mosquitoes are coming from my neighbor's property?
Your local mosquito control district or health department can also help. Treat your own yard and talk to your neighbor. That's common.
What does a mosquito inspection involve?
Gutters, saucers, tarps and low spots get checked first. They also check shady spots where adults rest. The tech walks the yard looking for standing water.
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.
How often does mosquito treatment need to be redone?
Around Annapolis, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest. Around Annapolis, because they keep breeding through the season, an ongoing plan usually works best.
When is mosquito season in Annapolis?
It runs from about May through September. Daytime biters are tiger mosquitoes; evening biters are usually house mosquitoes.
Do mosquitoes in Annapolis 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, Maryland included. They can.
Nearby cities
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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