The short version
Most yard treatments in Tigard cost about $75–$200 per visit, or $350–$900 for a season. Removing standing water costs nothing and helps the most.
- A visit in Tigard 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 Tigard 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 Tigard, mosquito season runs from late May until the first frost. Often the source is a neighbor's yard or a storm drain.
- 1Bites getting worse after each wet spell.
- 2Adults resting under deck boards or in ivy.
- 3Egg rafts floating on stagnant water.
- 4Ornamental pond with no fish or pump.
- 5Being bitten in full daylight, not just evening.
- 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 Tigard
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)
Around your Tigard home, the inspector also checks where adults rest: dense shrubs, ivy, under the deck and along shady fences. Knowing where adults hide shows where barrier spray matters.
- 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 Tigard 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
Monitoring and Seasonal Plans
$50–$150 per follow-up visit; $350–$900 per season bundled
A good pro checks landing counts between visits. Numbers climbing early means a missed breeding site.
- Time
- 15–30 minutes per check; season runs spring through first frost
- Best for
- Anyone who wants the yard usable all summer
Source Reduction and Larviciding
$75–$150 per visit
Because larvicide works on mosquitoes that can't fly away yet, it's the foundation of most plans in Tigard. Adult spraying is the follow-up, not the fix.
- Time
- 45–90 minutes
- Best for
- Yards with standing water, clogged gutters, ponds, or drains
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 Tigard.
- A typical home in Tigard is worth around $545k, and a season of treatment costs far less than most outdoor projects. With a short season around Tigard, most plans cover four or five visits. - Property Inspection for Breeding Sites: $0–$150 (often bundled with a first treatment) - 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 - Source Reduction and Larviciding: $75–$150 per visit
Local mosquitoes conditions in Tigard.
A provider who works Tigard and Oregon 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. Tigard 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. Across Tigard, the area is mostly suburban, 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 Tigard usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Tigard'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 Tigard.
They breed in storm drains. They're the main West Nile carriers. Floodwater mosquitoes hatch in big waves after heavy rain or snowmelt. They can travel a long way from where they hatch. House mosquitoes (Culex) bite from dusk into the night.
Mosquito season in Tigard.
The season is short, but numbers can spike after rain. West Nile cases usually peak in late summer.
A year of mosquitoes in Tigard.
- Spring: clean gutters and dump water as snow melts. - Summer: short but busy in Tigard. Watch for swarms after rain. - Fall: the first frost ends the season. - Winter: store containers upside down and plan for spring.
The weekly water walk.
- 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. - Tree holes: fill them with sand. - Gutters: clear leaves so water drains.
Avoiding bites.
- 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. - Timing: tiger mosquitoes bite by day; house mosquitoes at dusk. - Repellent: DEET, picaridin, IR3535 or oil of lemon eucalyptus.
Low-cost ways to cut mosquitoes.
- 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. - Lights: yellow bug lights attract fewer insects to the porch. - Mosquito dunks: Bti tablets kill larvae in rain barrels and ponds.
Mosquito or look-alike?
- Non-biting midges: swarm near water at dusk. Harmless, just annoying. - 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.
When a bite needs a doctor.
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. Most bites just itch for a few days.
Protecting your pets.
Heartworm reaches dogs through mosquito bites, and cats can get it as well; in Tigard the main exposure runs July through September. Talk to your vet about year-round prevention. Refresh pet water bowls daily, dump saucers after Tigard's summer storms, and keep animals inside until a yard treatment dries.
What a treatment visit looks like.
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. Larvicide goes in water you can't drain.
Rain barrels and ponds.
- 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. - Pool covers: drain standing water after rain. - Barrels: cover openings with fine mesh.
Questions to ask before you sign.
- 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? - When can kids and pets go back outside? - What product will you spray?
Ways to keep the cost down.
- Trim dense shrubs so fewer adults can rest there. - 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.
What affects the price
- Lot size and total acreage treated.
- Special-event timing and rush scheduling.
- Travel distance from the company's base.
- Amount of shade and dense vegetation.
- Number of visits the local season needs.
- One-time visit versus a seasonal plan.
- Ponds, creeks, or wetland edges on the property.
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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 Tigard
Summer highs around 80°F in Tigard speed up the life cycle, and average humidity near 74% keeps adults active. In Tigard's neighborhoods, the usual sources are gutters, plant saucers, kids' toys and birdbaths. With about 40 inches of rain a year in Tigard, any container left out will hold water within days.
Local research
Mosquitoes in Tigard, OR: what the public record shows
Before you compare quotes, it helps to know which mosquitoes actually live in Oregon, when they are busiest around Tigard, and what the state figures look like. Everything below links to the agency or university page it came from.
When mosquitoes are busiest around Tigard
July–September. CDC: WNV transmission runs June–October with cases peaking late August to early September. Illinois recorded 69 human WNV cases and 13 deaths in 2024; the first positive mosquito batch in 2025 was found May 9.
Based on Tigard’s mediterranean climate profile.
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
- Fix low spots that hold water for days.
- Add fish or a pump to ornamental ponds.
- Trim shrubs and ivy to reduce resting cover.
- Check AC drip lines and sump pits.
- Empty plant saucers after every rain.
- Tighten lids on trash and recycling bins.
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?
Mosquito means little fly in Spanish
Some species' eggs survive dry for months
Questions people ask
Does lot size really change the price that much?
Yes. More yard and more shrubs mean more product and more time.
How much does a single mosquito treatment cost?
Usually $75–$200 per visit. Bigger or shadier yards cost more.
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.
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.
What is the difference between larvicide and barrier spray?
Barrier spray goes on leaves where adults rest. Most plans use both. It stops larvae from maturing.
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.
Will mosquito treatment kill bees and butterflies?
Ask them to skip blooming plants. Spraying when bees rest helps too. It can if spray hits flowers.
Should I worry about West Nile virus?
Across Tigard, 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.
How often does mosquito treatment need to be redone?
Across Tigard, mosquito control works by removing standing water, treating the water that cannot be drained, and applying barrier treatments where adults rest. Across Tigard, because they keep breeding through the season, an ongoing plan usually works best.
When is mosquito season in Tigard?
It runs from late May until the first frost. Evening biters are usually house mosquitoes.
Do mosquitoes in Tigard 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, Oregon included.
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