The short version
Most yard treatments in Fort Collins cost about $75–$200 per visit, or $350–$900 for a season. Removing standing water costs nothing and helps the most.
- A visit in Fort Collins 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.
Anyone in Fort Collins tired of mosquito bites at home.
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 Fort Collins, mosquito season runs from about May through September. Often the source is a neighbor's yard or a storm drain.
- 1Wriggling larvae in birdbaths, buckets, or saucers.
- 2Kiddie pools left full for days.
- 3Corrugated downspout extensions that never drain.
- 4Rain barrels without screens or lids.
- 5Egg rafts floating on stagnant water.
- 6Bites within minutes of stepping outside at dusk.
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 Fort Collins
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)
Before anything is sprayed, a pro in Fort Collins should work out which mosquito you have and where the larvae are growing. Container breeders and floodwater breeders call for different tactics.
- 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
Crews should skip blooming plants and vegetable beds when spraying a Fort Collins property to protect bees and food crops. A careful applicator treats resting cover, not the whole yard.
- Time
- 20–45 minutes per visit, repeated every 3–4 weeks
- Best for
- Shaded yards with shrubs, ivy, and dense landscaping
Monitoring and Seasonal Plans
$50–$150 per follow-up visit; $350–$900 per season bundled
The mosquito season in Fort Collins runs from the first warm, wet stretch of spring until the first hard frost, and a seasonal plan schedules visits across that window. Most plans run six to eight visits.
- Time
- 15–30 minutes per check; season runs spring through first frost
- Best for
- Anyone who wants the yard usable all summer
Misting Systems and In2Care-Style Stations
misting $2,000–$4,500 installed plus refills; stations $200–$500 per season
Misting systems put product into the air on a schedule whether mosquitoes are present or not, which raises resistance and pollinator concerns in Fort Collins neighborhoods. Ask about sensors, timers, and off-switch etiquette.
- Time
- Misting: half a day. Stations: under an hour.
- Best for
- Specific yards: heavy outdoor use or spray-averse owners
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 Fort Collins.
- 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 - Barrier (Residual) Yard Treatment: $75–$200 per visit; $350–$900 per season - Property Inspection for Breeding Sites: $0–$150 (often bundled with a first treatment) - A typical home in Fort Collins is worth around $540k, and a season of treatment costs far less than most outdoor projects. With a season running from about May through September around Fort Collins, most plans cover five or six visits.
Local mosquitoes conditions in Fort Collins.
A provider who works Fort Collins and Colorado 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 Fort Collins'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 Fort Collins usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Fort Collins, 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. Fort Collins sits in a semi-arid 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 Fort Collins.
They can travel a long way from where they hatch. Floodwater mosquitoes hatch in big waves after heavy rain or snowmelt. They're the main West Nile carriers. They breed in storm drains. House mosquitoes (Culex) bite from dusk into the night.
Mosquito season in Fort Collins.
Numbers usually peak in July and August. West Nile cases usually peak in late summer.
A year of mosquitoes in Fort Collins.
- Winter: fix drainage and store containers upside down. - Fall: activity fades with cooler nights. - Summer: peak season in Fort Collins, especially July and August. - Spring: dump water and clean gutters before May.
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.
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.
Refresh pet water bowls daily; in dry Fort Collins a bowl or an irrigation puddle is often the only standing water on the block. Keep animals inside until a yard treatment dries. Talk to your vet about year-round prevention. Heartworm reaches dogs through mosquito bites, and cats can get it as well; in Fort Collins the main exposure runs July through September.
What a treatment visit looks like.
Most plans repeat every three to four weeks. 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.
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
- In2Care-style station count and servicing.
- Ponds, creeks, or wetland edges on the property.
- Amount of shade and dense vegetation.
- Standing water requiring larvicide.
- Gutter cleaning or drainage fixes bundled in.
- Re-treatment policy between scheduled visits.
- One-time visit versus a seasonal plan.
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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 Fort Collins
Fort Collins only gets about 16 inches of rain a year, so local mosquitoes breed where people add water: sprinklers, pools, fountains and AC drips. Summer highs around 87°F in Fort Collins speed up the life cycle. In denser parts of Fort Collins, storm drains, catch basins and gutters are big breeding spots.
Local research
Mosquitoes in Fort Collins, CO: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Colorado, when they are busiest around Fort Collins, 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 Fort Collins
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
- Check AC drip lines and sump pits.
- Drop Bti dunks in water you cannot drain.
- Clean gutters each spring and fall.
- Drain kiddie pools when playtime ends.
- Cover or drill drainage holes in tires.
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?
Some species' eggs survive dry for months
A female's wings beat hundreds of times per second
Questions people ask
What should a mosquito control quote include?
Visits, products, and what gets treated. Also what happens if bites return. Larvicide should be listed if you have standing water.
What does a seasonal mosquito plan cost?
Usually $350–$900 for the season. Around Fort Collins, the season runs from about May through September, which sets how many visits you need.
Why do mosquito quotes vary so much?
Companies use different products and visit on different schedules. Some include re-sprays. Compare what's included, not just the price.
How much does a single mosquito treatment cost?
Usually $75–$200 per visit. Bigger or shadier yards cost more.
Are misting systems worth it?
For a few homes, yes. They're costly to install and need refills. Most yards do fine with source removal and regular spraying.
How do I choose a mosquito control company?
Check that they're licensed in Colorado. Ask what products they use and how often they visit. Ask what happens if bites come back.
Can mosquito control help with West Nile risk?
It can lower it by cutting the number of biting mosquitoes. Repellent and dumping standing water still matter most.
Should I worry about West Nile virus?
Around Fort Collins, 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.
Do mosquitoes really change how people use their yards?
Around Fort Collins, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest. Around Fort Collins, because they keep breeding through the season, an ongoing plan usually works best.
When is mosquito season in Fort Collins?
It runs from about May through September. Evening biters are usually house mosquitoes.
Do mosquitoes in Fort Collins carry West Nile?
They can. West Nile is found in every lower-48 state, Colorado included. Cases usually peak in late summer. Repellent and dumping standing water are your best protection.
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