The short version
Wasps are aggressive stinging insects that build nests near homes. Remove nests early in summer when colonies are small, or call a pro for large/high nests. Most stings occur in late summer and fall when colonies are largest.
- Wasps sting repeatedly and can trigger severe allergic reactions; professional removal is safest for large or high nests.
- Identification is key: paper wasps have open combs, yellowjackets build enclosed nests in ground or walls, bald-faced hornets build large aerial paper nests.
- Peak season is July–October; nests can contain thousands of workers by late summer.
- Prevention includes sealing cracks, removing food sources, and placing traps in early spring.
- Professional removal costs $100–$600 depending on nest size and location.
For homeowners, property managers, restaurant owners, and families with children who need to identify, safely remove, or prevent wasp infestations. Whether you’re dealing with a single paper wasp nest under your eaves or a ground nest of yellowjackets in your backyard, you’ll find practical, expert-backed advice here.
What to look for
Unlike honeybees, which die after stinging, wasps can sting multiple times, injecting venom that causes pain, swelling, and in rare cases, anaphylactic shock. Yellowjackets, in particular, are scavengers attracted to sugary drinks and meat, making them a hazard at picnics, trash cans, and outdoor dining areas. Wasps become a problem when they build nests too close to human activity.
- 1Seeing wasps flying in and out of a single location (eaves, soffits, ground holes, wall voids).
- 2Finding a papery nest structure: open comb for paper wasps, enclosed football shape for hornets, or hidden in ground for yellowjackets.
- 3Hearing a loud buzzing sound from inside a wall or attic.
- 4Noticing chewed wood or wood fiber piles near eaves or fences (paper wasps use wood fiber to build nests).
- 5Increased wasp activity around trash cans, compost piles, or outdoor eating areas.
- 6Seeing wasps entering a crack or hole in your home’s siding or foundation.
- 7Discovering a nest in a shed, garage, or under a deck.
Why it’s worth acting soon
- Colonies grow exponentially: a single queen can produce thousands of workers by fall.
- Aggression increases in late summer as food sources dwindle and workers become defensive.
- Structural damage: yellowjackets nesting in walls can chew through drywall and insulation.
- Health emergencies: multiple stings or allergic reactions can require immediate medical care.
- Liability: property owners may be held responsible if a guest or tenant is stung on premises.
Treatment options and typical costs
Aerosol Wasp Spray
$8–$15 per can
Instant knockdown spray that shoots a stream up to 20 feet. Best for small, accessible paper wasp nests.
- Time
- Works immediately; nest removal after 24 hours
- Best for
- Small, visible nests under eaves or porch ceilings
Dust Insecticide (e.g., Drione, Tempo)
$20–$40 per container
Applied into ground nests or wall voids. Wasps carry dust into nest, killing colony over 1–3 days.
- Time
- 1–3 days to eliminate colony
- Best for
- Ground-nesting yellowjackets or wall voids
Wasp Traps (e.g., Rescue! Yellowjacket Trap)
$5–$15 per trap
Attractant-based traps that capture foraging workers. Reduces local population but won't eliminate a nest.
- Time
- Ongoing; replace bait every 2–4 weeks
- Best for
- Reducing wasp numbers around patios, restaurants, and play areas
Professional Removal & Extermination
$100–$600
pest control pros inspect, identify, and treat nests using PPE and commercial-grade insecticides. Includes nest removal and prevention advice.
- Time
- 1–2 hours
- Best for
- Large, high, or hidden nests; multiple nests; allergy concerns
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.How to Identify Common Wasp Species.
If you're unsure, take a clear photo and send it to a pest control professional. Many offer free identification as part of an inspection. Remember that honeybees are beneficial and protected in many areas; they should not be killed unless they pose an immediate threat. Wasps, on the other hand, can be removed without concern for conservation.
Wasp Behavior and Seasonal Patterns.
One key behavioral fact: wasps do not reuse old nests, but queens often build new nests nearby if the site remains attractive. That's why prevention is a year-round effort.
An unscreened foundation vent is an easy way in for a yellowjacket queen. Wasps flying in and out of a vent all day are a sign of a nest inside.Health Risks of Wasp Stings.
If you have a known allergy, carry an epinephrine auto-injector and never attempt DIY nest removal. For property managers and restaurant owners, having a plan for wasp control and training staff to recognize allergic reactions can save lives.
What affects the price
- Nest size: small nests (softball size) cost less; large nests (basketball or bigger) cost more.
- Nest location: ground nests are easier than high eaves or wall voids requiring ladders or drilling.
- Number of nests: multiple nests increase labor and materials.
- Accessibility: nests in attics, crawl spaces, or behind siding require more time and skill.
- Species: bald-faced hornets are more aggressive and may require extra safety measures.
- Time of year: peak season (August–October) may demand more urgent service and higher prices.
- Re-treatment terms: companies offering follow-up treatment (ask what is included) may charge a premium.
📊
What is your biggest concern when dealing with wasps?
When to call for help
Also call if you're unsure of the species or if the nest is near high-traffic areas like doors, playgrounds, or restaurant patios. An inspection can assess the risk. Call a professional immediately if you are allergic to stings, if the nest is larger than a softball, if it's located in a wall void or high on a roof line, or if you have multiple nests.
What you can do yourself
The average professional removal costs $100–$600, and many companies will come back if wasps return, which DIY can't offer. For nests over 10 feet high, leave it to a pro—ladder work plus angry wasps is a dangerous combination. Professionals have dust insecticides that penetrate deep into voids, and they wear protective gear to avoid stings. However, for yellowjackets nesting in the ground or walls, DIY often fails because you can't reach the colony core. A can of spray costs under $15 and can knock down a nest in seconds. DIY methods work for small, accessible paper wasp nests early in the season.
Where you live matters
Wasp species and activity vary across the US. In the Northeast and Midwest, yellowjackets (especially the German yellowjacket) are the most common stinging pest. Ground nests are frequent in lawns and along foundations. In the South, paper wasps thrive year-round, and bald-faced hornets are common in trees and shrubs. The Southwest sees Africanized honeybee hybrids (aggressive) but also many wasp species; paper wasps are a major problem around homes. In the Pacific Northwest, yellowjackets are abundant in late summer, especially near forests and parks.
Simple ways to keep wasps away
- Seal cracks and gaps in siding, foundations, and around utility lines with caulk or expanding foam.
- Keep trash cans tightly sealed and clean; rinse recyclables before storing.
- Cover sweet drinks and food outdoors; clean up spills immediately.
- Remove old nests in winter (they attract new queens in spring).
- Hang decoy wasp nests (paper bags or commercial decoys) in early spring to deter queens.
- Plant mint, eucalyptus, or wormwood near seating areas (wasps dislike the smell).
- Install fine mesh screens over vents, chimneys, and soffit gaps.
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?
Paper wasps build their nests by chewing wood fiber and mixing it with saliva, creating a paper-like material.
Yellowjackets become more aggressive in fall as their food sources (insects and sugary substances) dwindle, leading them to scavenge at picnics and trash cans.
A yellowjacket colony started by one queen in spring can reach several thousand workers by late summer.
Questions people ask
What is the best way to get rid of a wasp nest?
Always wear protective clothing and have an escape route. For large or high nests, call a professional. For ground nests or wall voids, use a dust insecticide applied into the entrance. For small, accessible nests (paper wasps), use an aerosol spray formulated for wasps, applying at dawn or dusk when wasps are less active.
How much does professional wasp nest removal cost?
Many companies will look at the nest and give you a quote before any work starts. Small, accessible nests average $100–$200; large or high nests (e.g., in eaves or trees) can cost $300–$600. Cost ranges from $100 to $600 depending on nest size, location, and number of nests.
Can I remove a wasp nest myself?
If you have any doubt about safety, call a pro. For ground nests, use insecticidal dust. Use a wasp spray at night and follow label instructions. Yes, if the nest is small (less than a softball), accessible (within reach from ground or low ladder), and you are not allergic.
How do I prevent wasps from coming back?
Install fine mesh over vents and soffits. Plant mint or eucalyptus near seating areas. Avoid leaving sweet drinks or food uncovered outdoors. Hang decoy nests in early spring. Keep trash cans sealed and clean. Remove old nests in winter. Seal cracks and gaps in your home's exterior.
What should I do if I am stung by a wasp?
If you have a known allergy, use your epinephrine auto-injector and seek emergency care. If you have difficulty breathing, swelling of the face or throat, dizziness, or hives, call 911 immediately—these are signs of anaphylaxis. Take an antihistamine (e.g., Benadryl) for itching. Apply a cold pack to reduce swelling. Wash the sting area with soap and water.
How do I identify a wasp nest?
If you see wasps flying to a specific spot repeatedly, that's likely the nest entrance. Bald-faced hornet nests are large, football-shaped, and usually in trees or on buildings. Yellowjacket nests are enclosed in a papery envelope and are often found in ground holes, wall voids, or attics. Paper wasp nests are open, honeycomb-like structures with cells visible.
Are wasps beneficial?
Removal is justified for safety, but consider tolerance for nests away from high-traffic areas. However, when they nest near human activity, they become a hazard. They also pollinate plants. Yes, wasps are beneficial predators that control caterpillars, flies, and other pests.
When is wasp season?
Winter is the dormant season—queens hibernate, and workers die. Peak activity and aggression occur in late summer (August–September) when colonies are largest and food is scarce. Wasp season runs from spring (April–May) through fall (October).
Is cost the main reason people leave wasp nests alone?
Wasps are controlled by treating or removing the nest, ideally in the evening when they are less active. Identify the species first, because paper wasps build open nests under eaves while yellowjackets often nest underground, and the location changes how the nest is treated.
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