The short version
Around Phoenix, queens start nests in February or March, 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 Phoenix dealing with wasps, hornets or yellowjackets at home.
What to look for
Late-summer colonies are big and quick to sting. Near a door or deck, stings will happen. Wasps defend the area around their nest.
- 1Wasps flying straight lines to and from one spot.
- 2Wasps clustered at a hummingbird feeder or ripe grapes.
- 3Wasps hovering at a mulch bed or retaining wall gap.
- 4Small golf-ball-sized paper nests under eaves in spring.
- 5Wasps disappearing into a hole in the lawn or a wall.
- 6Buzzing audible through a ceiling or wall on warm afternoons.
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
Nest location drives everything else in Phoenix: height, whether it sits in a void, and how close it is to doors or play areas. The inspection should end with a plan and a price.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Preventive Spring Treatment and Follow-Up
$150–$400
Follow-up matters after any treatment around a property. A check two weeks later catches any nest that was missed.
- Time
- 45–90 minutes
- Best for
- Sting allergies or repeat nest spots
Aerial Nest Treatment and Removal
$100–$400
Exposed paper wasp and hornet nests under eaves, in trees or on porch ceilings in Phoenix are treated with a fast-acting aerosol or dust, then removed once the colony is dead. Most are handled in a single visit.
- Time
- 30–90 minutes
- Best for
- Exposed paper wasp, hornet and bald-faced hornet nests
Sealing Up After the Nest Is Dead
$150–$450
Sealing work targets the places wasps favor in Phoenix: soffit seams, attic and dryer vents, gaps around utility lines and loose fascia boards. Vent screens and sealant handle most of it.
- Time
- 1–2 hours
- Best for
- Closing soffits, vents and gaps once a void nest is dead
Prices are typical published ranges. Ask what’s included before you compare quotes.
In cold-winter areas, old nests are empty by now. It's a good time to fix vent covers and siding gaps before queens go looking in spring.Which wasps live around Phoenix.
They build open, umbrella-shaped combs under eaves and railings. Western yellowjackets nest in the ground and in wall voids. They cause most stings. Bald-faced hornets build big gray nests in trees and eaves. Mud daubers build tube-shaped mud nests. They rarely sting. Paper wasps are the most common around Phoenix.
Local wasps conditions in Phoenix.
Across Phoenix, the area is mostly urban, 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. An inspection in Phoenix usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Phoenix'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 Phoenix and Arizona 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. Phoenix sits in a hot desert climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October).
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.
Winters around Phoenix are mild, so nests can last much longer. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Look under railings, play sets and grills. Watch for wasps flying in and out of a gap. A ground nest looks like wasps streaming from one hole. Homes from Phoenix out to Tempe and Glendale share the same favorite nest spots. Many homes in Phoenix sit on slabs, so check eaves, the garage and patio covers first.
A year of wasps in Phoenix.
- Winter: lows near 45°F in Phoenix. Some nests keep going. - Spring: queens start new nests around February or March. Knock down small starts. - Summer: highs near 106°F in Phoenix help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people.
Wasp, hornet or bee?
- Honey bee: fuzzy and golden. about relocation. - Paper wasp: slim, long legs, open comb. - Yellowjacket: bright yellow and black, nests in the ground. - Hornet: larger, with a big closed paper nest. - Mud dauber: thin waist, mud tube nests. Rarely stings.
If you get stung.
Wash the sting and use a cold pack. An antihistamine can ease itching and swelling. 911 for trouble breathing or a swollen face or throat. If someone carries an epinephrine pen, use it. Move away from the nest first.
Keeping wasps away from the patio.
- Gaps: seal gaps after a nest is gone. - Food: cover plates and drinks outdoors. - Trash: keep lids tight and bins away from doors. - Fruit: pick up fallen fruit. - Spring checks: knock down small nests early.
Ground nests: what to do.
Keep kids and pets away. Don't mow over it. Don't pour gasoline or water in. Pros treat ground nests at night, when the colony is home. Mark the hole with a flag.
A nest, or just visitors?
A nest shows steady traffic to one spot. Watch at dusk, when they fly home. Follow the line back to an eave, vent, shrub or hole. Wasps on flowers or trash cans may come from far away.
Treating a small nest yourself, safely.
- Leave it overnight, then bag the nest. - Only if it’s small, low and out in the open. - Never if anyone in the house is allergic. - Wait until dusk, when wasps are home and slow. - Wear long sleeves, pants and gloves. - Use a jet wasp spray from several feet away. - Never spray from a ladder.
Wasps and pets.
Most stings just swell a little. your vet if the throat swells or breathing changes. Keep pet food and water bowls indoors in late summer. Dogs often snap at wasps and get stung on the face.
Kids and wasps.
Swatting makes a sting more likely. Check play sets, slides and playhouses for nests each spring. Use cups with lids for sweet drinks outside. Teach kids to walk away calmly.
After the nest is gone.
Seal the gap a wall nest used once it's quiet. Check nearby eaves for new starts. Knock down small new nests early next spring. Wasps don't reuse old nests.
Wasps at picnics and barbecues.
- Kids: teach them to walk away calmly. - Drinks: use cups with lids or straws. - Food: keep it covered until you eat. - Trash: bag scraps and close the bin. - Calm: don’t swat; slowly move away.
Ground nests in the lawn.
Watch for wasps flying in and out of the grass. Mark it, and keep mowers and kids away until it's treated. Yellowjackets often nest in old rodent holes.
Questions to ask before you sign.
- Is a return visit included? - What kind of wasp is it? - How will you treat a nest inside the wall? - Is removal of the dead nest included?
What affects the price
- An open comb or a nest inside a wall.
- Number of nests found on the property.
- Species: paper wasps cost least, hornets and yellowjackets more.
- After-hours, weekend or emergency scheduling.
- Ground nest with multiple entrances or deep burrows.
- Sealing gaps after the nest is dead.
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What's your biggest concern about wasps?
When to call for help
They'll find another way in. Don't seal a hole wasps are using. right away if anyone in the house is allergic. Call for nests in walls, attics, the ground, or anywhere high.
What you can do yourself
A small, reachable paper wasp nest is a fair DIY job. Spray it at dusk with a wasp aerosol. Knock it down the next day. Big, high or hidden nests are a job for a pro.
Wasps in Phoenix
Phoenix only gets about 8 inches of rain a year, so local wasps often gather at pools, fountains and dripping taps. Winter lows near 45°F in Phoenix are mild enough that colonies hang on late into the year. In denser parts of Phoenix, nests turn up in eaves, balconies, signs and wall gaps.
Local research
Wasps in Phoenix, AZ: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Arizona, when they are busiest around Phoenix, and what the state figures look like. Everything below links to the agency or university page it came from.
Wasp species recorded in Arizona
- 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…
- 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…
- Native paper wasps (Polistes spp. (e.g., P. fuscatus, P. apachus, P. exclamans)) — Open umbrella-shaped nests under eaves, porch ceilings and railings. UC IPM: paper wasp colonies 'vary between 15 to 200 individuals'; Penn State: queens 'establish nests in May…
When wasps are busiest around Phoenix
Western yellowjacket queens start nests each spring, colonies grow through summer and scavenge aggressively in fall before dying off; only fertilized queens overwinter (USU).
Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. Western yellowjacket is the dominant scavenging wasp of the Western states (UC IPM).
Rules that apply in Arizona
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: 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
- Clean outdoor eating areas right after meals.
- Keep trash cans lidded and rinse recycling before binning.
- Walk the eaves in April and knock down starter nests.
- Seal soffit seams and fascia gaps before spring.
- Repair torn window screens and door sweeps.
- Pick up fallen fruit under trees promptly.
For a nest in the ground or a wall, a pro treats the entrance and checks back to make sure the traffic has stopped before anything is sealed.Did you know?
A bald-faced hornet is actually a yellowjacket, not a true hornet
Only newly mated queens survive the winter
Questions people ask
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?
Yes. They eat caterpillars and other pests. Leave nests that are well away from people.
How long does wasp nest removal take?
Usually under an hour. Hidden nests may need a second visit a few days later.
Are wasps dangerous to my pets?
They can be. Dogs often get stung on the face. your vet if swelling spreads or breathing changes.
Will wasps come back to the same nest next year?
They don't reuse old nests. New queens often pick the same sheltered spots, though.
What stops people from dealing with wasp nests?
Across Phoenix, fear of stings, nests that are hard to reach, and not noticing them until they're big.
Do wasp traps actually work?
They catch some foragers but rarely solve a nest problem. Find and treat the nest itself.
When is wasp season in Phoenix?
Mild winters let some nests keep going.
Are hornets common in Phoenix?
Bald-faced hornets are, in trees and on eaves. Most stings come from yellowjackets, though.
Nearby cities
Related guides
Sources (15)
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