The short version
Around Kirkland, queens start nests in May, and colonies peak in late summer. Small, low paper wasp nests can be handled at dusk. Leave wall, ground and high nests to a pro.
- Treat nests at dusk, when wasps are home.
- Never seal a hole wasps are using.
- Ground and wall nests are best left to a pro.
- Knock down small nests early in spring.
- Call 911 for breathing trouble after a sting.
Anyone in Kirkland dealing with wasps, hornets or yellowjackets at home.
What to look for
Near a door or deck, stings will happen. Wasps defend the area around their nest. Late-summer colonies are big and quick to sting.
- 1Yellowjackets streaming from the ground after mowing or trimming.
- 2Steady wasp traffic in and out of one soffit gap.
- 3Dead wasps collecting on interior windowsills in late summer.
- 4Chewed, scarred wood on fences, decks or cedar siding.
- 5Small golf-ball-sized paper nests under eaves in spring.
- 6Wasps flying straight lines to and from one spot.
Why it’s worth acting soon
- Nests grow all summer.
- Ground nests get disturbed by mowing.
- Wall nests can chew through into rooms.
- Stings are dangerous for anyone allergic.
Treatment options and typical costs
Inspection and Nest Identification
$75–$200
A pro starts by confirming the species and the nest location. Paper wasps, hornets and yellowjackets each call for a different approach.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Ground and Wall-Void Nest Treatment
$150–$500
Wall-void nests behind siding get the same dust treatment. Around Kirkland, the pro should leave the opening unsealed until all traffic stops, since trapped wasps chew inward toward living space.
- Time
- 30–60 minutes plus a return visit
- Best for
- Yellowjackets in lawns, retaining walls, soffits and wall voids
Preventive Spring Treatment and Follow-Up
$150–$400
Some pros offer a seasonal plan with spring and midsummer visits. For most homes, one well-timed spring visit plus vigilance is enough.
- Time
- 45–90 minutes
- Best for
- Homes with repeat nests or a sting allergy in the household
Sealing Up After the Nest Is Dead
$150–$450
Sealing gaps around Kirkland homes also blocks other pests, so the work pays twice. Screened vents and tight soffits also keep out birds and bats.
- Time
- 1–2 hours
- Best for
- Sealing the gap once the nest is dead
Prices are typical published ranges. Ask what’s included before you compare quotes.
Once a nest is dead, screening and sealing gaps around pipes and vents keeps next year's queen from using the same opening.Which wasps live around Kirkland.
Bald-faced hornets build big gray nests in trees and eaves. They cause most stings. Western yellowjackets nest in the ground and in wall voids. They build open, umbrella-shaped combs under eaves and railings. Paper wasps are the most common around Kirkland. They rarely sting. Mud daubers build tube-shaped mud nests.
Local wasps conditions in Kirkland.
An inspection in Kirkland usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Kirkland, the area is mostly suburban, so wasps 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. Kirkland sits in a marine west coast climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). A provider who works Kirkland and Washington 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 Kirkland'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.
Paper wasps like quiet, sheltered corners. Check garage rafters, door tracks and high shelves in spring for small starter combs.When they’re most active.
Nests die back with the first hard freeze, around November. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Watch for traffic in and out of gaps. Check eaves, porch ceilings and the crawl vents. Many houses around Kirkland have crawl spaces, and vents and access doors invite nests. Homes from Kirkland out to Bellevue and Redmond share the same favorite nest spots. A ground nest looks like wasps streaming from one hole.
A year of wasps in Kirkland.
- Spring: queens start new nests around May. Knock down small starts. - Winter: lows near 36°F in Kirkland. Nests die; only queens survive. - Late summer: peak season. Workers hunt sweets near people. - Summer: highs near 76°F in Kirkland help colonies grow fast.
Wasp, hornet or bee?
- Paper wasp: slim, long legs, open comb. - Honey bee: fuzzy and golden. about relocation. - Mud dauber: thin waist, mud tube nests. Rarely stings. - Hornet: larger, with a big closed paper nest. - Yellowjacket: bright yellow and black, nests in the ground.
If you get stung.
If someone carries an epinephrine pen, use it. 911 for trouble breathing or a swollen face or throat. An antihistamine can ease itching and swelling. Wash the sting and use a cold pack. Move away from the nest first.
Keeping wasps away from the patio.
- Food: cover plates and drinks outdoors. - Gaps: seal gaps after a nest is gone. - Spring checks: knock down small nests early. - Fruit: pick up fallen fruit. - Trash: keep lids tight and bins away from doors.
Ground nests: what to do.
Pros treat ground nests at night, when the colony is home. Don't pour gasoline or water in. Don't mow over it. Keep kids and pets away. Mark the hole with a flag.
A nest, or just visitors?
A nest shows steady traffic to one spot. Wasps on flowers or trash cans may come from far away. Follow the line back to an eave, vent, shrub or hole. Watch at dusk, when they fly home.
Treating a small nest yourself, safely.
- Only if it’s small, low and out in the open. - Leave it overnight, then bag the nest. - Never spray from a ladder. - Use a jet wasp spray from several feet away. - Wear long sleeves, pants and gloves. - Wait until dusk, when wasps are home and slow. - Never if anyone in the house is allergic.
Wasps and pets.
Most stings just swell a little. Dogs often snap at wasps and get stung on the face. Keep pet food and water bowls indoors in late summer. your vet if the throat swells or breathing changes.
Kids and wasps.
Swatting makes a sting more likely. Teach kids to walk away calmly. Use cups with lids for sweet drinks outside. Check play sets, slides and playhouses for nests each spring.
After the nest is gone.
Seal the gap a wall nest used once it's quiet. Wasps don't reuse old nests. Knock down small new nests early next spring. Check nearby eaves for new starts.
Wasps at picnics and barbecues.
- Drinks: use cups with lids or straws. - Kids: teach them to walk away calmly. - Calm: don’t swat; slowly move away. - Trash: bag scraps and close the bin. - Food: keep it covered until you eat.
Ground nests in the lawn.
Watch for wasps flying in and out of the grass. Yellowjackets often nest in old rodent holes. Mark it, and keep mowers and kids away until it's treated.
Questions to ask before you sign.
- What kind of wasp is it? - Is a return visit included? - Is removal of the dead nest included? - How will you treat a nest inside the wall?
What affects the price
- Sealing gaps after the nest is dead.
- Whether nest removal is included after treatment.
- Preventive spring treatment bundled with removal.
- Dense siding, brick or stone that limits dust access.
- After-hours, weekend or emergency scheduling.
- Species: paper wasps cost least, hornets and yellowjackets more.
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What's your biggest concern about wasps?
When to call for help
Don't seal a hole wasps are using. They'll find another way in. Call for nests in walls, attics, the ground, or anywhere high. right away if anyone in the house is allergic.
What you can do yourself
Knock it down the next day. Big, high or hidden nests are a job for a pro. A small, reachable paper wasp nest is a fair DIY job. Spray it at dusk with a wasp aerosol.
Wasps in Kirkland
Winter lows near 36°F in Kirkland end the season; only new queens survive, tucked into sheltered spots. In Kirkland's neighborhoods, eaves, decks, play sets and shrubs are favorite nest sites. With summer highs near 76°F in Kirkland, colonies grow fast and are biggest by August.
Local research
Wasps in Kirkland, WA: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Washington, when they are busiest around Kirkland, and what the state figures look like. Everything below links to the agency or university page it came from.
Northern giant hornet nests eradicated in Washington (USDA APHIS)
The hornet is declared eradicated; report any suspected sighting to WSDA.
USDA APHISShare of confirmed northern giant hornet detections that came from public reports
Public reporting remains the backbone of WSDA's hornet surveillance.
USDA APHISWasp species recorded in Washington
- Western yellowjacket (Vespula pensylvanica) — UC IPM: 'the most commonly encountered species and is sometimes called the "meat bee"' in California and the Western states; ground and wall-void nester and aggressive scavenger…
- German yellowjacket (Vespula germanica) — UC IPM: 'becoming more common in many urban areas of California, where it frequently nests in houses.' Named among Ohio's three main species (German, Eastern, Common yellowjacke…
- Bald-faced hornet (Dolichovespula maculata) — Penn State: 'found in most of the 48 contiguous states and D.C., throughout Canada and in Alaska'; actually an aerial yellowjacket that builds the football-shaped gray paper nes…
- European paper wasp (Polistes dominula) — Penn State: 'first reported in 1978 around Boston', now 'coast to coast ... although they are apparently less common in the Southeast and Great Plains'; nests in 'eaves of struc…
When wasps are busiest around Kirkland
Western yellowjacket queens start nests each spring, colonies grow through summer and scavenge aggressively in fall before dying off; only fertilized queens overwinter (USU).
APHIS: the northern giant hornet 'first captured national attention in late 2019 when it was detected near Blaine, Washington' and 'has been eradicated from Washington State and the United States'. WSDA maintains hornet identification and sighting-report pages.
Rules that apply in Washington
For context, nationally
- 788 — Deaths from hornet, wasp, and bee stings, 2011–2021 (US). CDC MMWR
- 72 deaths per year — Average annual sting deaths, 2011–2021 (US). CDC MMWR
Sources: USDA APHIS; CDC MMWR; Yellowjackets and Other Social Wasps (Pest Notes); Baldfaced Hornet; European Paper Wasp. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Check sheds and garages for nests each May.
- Cap hollow fence posts, railings and play-set tubes.
- Inspect grills, mailboxes and light fixtures before use.
- Avoid bright floral clothing and strong perfume near nests.
- Store pet food indoors and clean bowls after meals.
Jot down where nests turned up this year. Queens often pick the same eaves and gaps, so you'll know where to look first next spring.Did you know?
Mud daubers stock their nests with paralyzed spiders
A bald-faced hornet is actually a yellowjacket, not a true hornet
Questions people ask
Can I just leave the nest alone until winter?
If it's out of the way, often yes. Around Kirkland, nests die back with the first hard freeze, around November.
Why are there suddenly so many wasps in late summer?
Colonies are at their biggest by late summer. Food gets scarce, so workers hunt sweets and protein near people.
Are wasps good for anything?
They eat caterpillars and other pests. Leave nests that are well away from people. Yes.
How do I find a good wasp control company?
Check that they're licensed in Washington. Ask how they treat hidden nests and whether removal is included.
What time of day should a wasp nest be treated?
At dusk or after dark, when they're home and calm.
Is it safe to remove a wasp nest yourself?
Around Kirkland, a small, exposed nest can be treated at dusk with the right spray and protective clothing. Anyone allergic to stings should never try.
Is cost the main reason people leave wasp nests alone?
More often the nest goes unnoticed or is hard to reach. A small, early nest is often cheap to remove. Not usually.
When is wasp season in Kirkland?
Around Kirkland, queens start nests in May, and colonies peak in late summer. Nests die back with the first hard freeze, around November.
Are hornets common in Kirkland?
Bald-faced hornets are, in trees and on eaves. Most stings come from yellowjackets, though.
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Sources (9)
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 Wasp Exterminator · Updated September 11, 2026 · How we write these guides