The short version
Around Reading, 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.
Homeowners and renters in Reading with a nest near a door, deck or play area.
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 entering an attic vent, dryer vent or weep hole.
- 2Yellowjackets streaming from the ground after mowing or trimming.
- 3Large wasps circling porch lights after dark.
- 4Chewed, scarred wood on fences, decks or cedar siding.
- 5Open umbrella-shaped comb under a porch ceiling or railing.
- 6Grey, papery football-shaped nest hanging in a tree or eave.
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
The inspection also flags anyone in the Reading household with a sting allergy, which changes how and when the work gets done. Ask for photos of what was found.
- Time
- 45–75 minutes
- Best for
- Every job; species and nest location decide the method
Sealing Up After the Nest Is Dead
$150–$450
This is the step homeowners skip most often. Sealing the void after treatment keeps the next colony out.
- Time
- 1–2 hours
- Best for
- Sealing soffits, vents and gaps after a wall nest has died
Preventive Spring Treatment and Follow-Up
$150–$400
Follow-up matters after any treatment around a property. A second look two weeks later catches missed nests.
- Time
- 45–90 minutes
- Best for
- Repeat nests, or someone allergic to stings
Aerial Nest Treatment and Removal
$100–$400
Exposed paper wasp and hornet nests under eaves, in trees or on porch ceilings in Reading 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
Prices are typical published ranges. Ask what’s included before you compare quotes.
Yellowjackets often nest in old rodent holes and gaps in garden walls. Watch for wasps flying low and steady into one spot.Which wasps live around Reading.
Bald-faced hornets build big gray nests in trees and eaves. European hornets live in Pennsylvania too. They're large, fly at night, and nest in hollow trees. Mud daubers build tube-shaped mud nests. They rarely sting. Paper wasps are the most common around Reading. They build open, umbrella-shaped combs under eaves and railings. Eastern yellowjackets nest in the ground and in wall voids. They cause most stings.
Local wasps conditions in Reading.
An inspection in Reading usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing Reading'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 Reading and Pennsylvania 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. Reading sits in a humid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October). For Reading homes, 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 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.When they’re most active.
Nests die back after the first hard freeze in fall. Early spring is the easiest time to remove small starts.
Where they nest around houses here.
Watch for traffic in and out of gaps. A ground nest looks like wasps streaming from one hole. Homes from Reading out to Pottstown and Lancaster share the same favorite nest spots. Plenty of homes in Reading have basements, but most nests are higher up. Check eaves, attic vents and window frames.
A year of wasps in Reading.
- Late summer: peak season. Workers hunt sweets near people. - Summer: highs near 85°F in Reading help colonies grow fast. - Spring: queens start new nests around May. Knock down small starts. - Winter: lows near 23°F in Reading. Nests die; only queens survive.
Wasp, hornet or bee?
- 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. - Paper wasp: slim, long legs, open comb. - Honey bee: fuzzy and golden. about relocation.
If you get stung.
An antihistamine can ease itching and swelling. Wash the sting and use a cold pack. Move away from the nest first. If someone carries an epinephrine pen, use it. 911 for trouble breathing or a swollen face or throat.
Keeping wasps away from the patio.
- Spring checks: knock down small nests early. - Fruit: pick up fallen fruit. - Trash: keep lids tight and bins away from doors. - Food: cover plates and drinks outdoors. - Gaps: seal gaps after a nest is gone.
Ground nests: what to do.
Don't mow over it. Keep kids and pets away. Mark the hole with a flag. Pros treat ground nests at night, when the colony is home. Don't pour gasoline or water in.
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.
- 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. - Only if it’s small, low and out in the open. - Leave it overnight, then bag the nest.
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.
- Calm: don’t swat; slowly move away. - Trash: bag scraps and close the bin. - Food: keep it covered until you eat. - Drinks: use cups with lids or straws. - Kids: teach them to walk away calmly.
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.
- Is removal of the dead nest included? - How will you treat a nest inside the wall? - What kind of wasp is it? - Is a return visit included?
What affects the price
- Nest height, and whether it needs a lift.
- Species: paper wasps cost least, hornets and yellowjackets more.
- Ground nest with multiple entrances or deep burrows.
- Roof pitch and safe access to the nest location.
- An open comb or a nest inside a wall.
- Whether nest removal is included after treatment.
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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 Reading
In denser parts of Reading, nests turn up in eaves, balconies, signs and wall gaps. Winter lows near 23°F in Reading end the season; only new queens survive, tucked into sheltered spots. With summer highs near 85°F in Reading, colonies grow fast and are biggest by August.
Local research
Wasps in Reading, PA: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Pennsylvania, when they are busiest around Reading, and what the state figures look like. Everything below links to the agency or university page it came from.
Bald-faced hornet colony size in Pennsylvania (Penn State)
The gray football nest in a shrub can hold hundreds of defensive workers.
Penn State ExtensionEuropean hornet peak nest size (Penn State)
Large nests may reach 1,000 workers; they are active at night and drawn to porch lights.
Penn State ExtensionPaper wasp colony size (Penn State)
Eave nests are small but multiply around a single house.
Penn State ExtensionWasp species recorded in Pennsylvania
- 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…
- Eastern yellowjacket (Vespula maculifrons) — UF/IFAS lists it with the southern yellowjacket as Florida's two yellowjackets; OSU lists it for Ohio; Texas A&M notes it is 'generally found in eastern Texas'. Ground nests 9.5…
- 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 hornet (Vespa crabro) — Penn State: 'first detected in the 1840s', 'well established in the eastern United States', 'first reported from Arkansas in 1999'; workers 'up to an inch (25 mm) long', nests '…
When wasps are busiest around Reading
Paper wasp queens 'establish nests in May' and colonies are essentially gone 'By the end of September'; European hornet nests peak in mid-September and die at the first hard frosts (Penn State).
Penn State: European hornet is 'well established in the eastern United States, including all of Pennsylvania' and is the 'only nocturnal wasp in Pennsylvania'. Yellowjacket colonies 'range in size from only a few hundred individuals to thousands of members'.
Rules that apply in Pennsylvania
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: Baldfaced Hornet; European Hornet; Penn State Extension; CDC MMWR; Yellowjackets and Other Social Wasps (Pest Notes); Yellowjackets and Hornets, Vespula and Dolichovespula spp. (Insecta: Hymenoptera: Vespidae). Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Inspect grills, mailboxes and light fixtures before use.
- Store pet food indoors and clean bowls after meals.
- Trim shrubs so nests cannot hide near walkways.
- Note where nests appeared and inspect there early next year.
- Fill gaps in retaining walls and stacked stone.
- Cover drinks outdoors and use lidded cups for kids.
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?
Wasp nest paper inspired early experiments in making paper from wood
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.
Can I seal the hole wasps are using?
Treat first, then seal once activity stops. They may chew into your house. Sealing traps them inside. No.
Wasp or bee: does it matter?
It matters because honey bees can often be relocated. Bees are fuzzy and rounder. Wasps are smooth and narrow-waisted.
How long does wasp nest removal take?
Usually under an hour. Hidden nests may need a second visit a few days later.
What time of day should a wasp nest be treated?
At dusk or after dark, when they're home and calm.
Are wasps considered an under-controlled pest?
Often, yes. For Reading homes, many nests go unnoticed until late summer, when colonies are biggest and most defensive.
What's the usual way to get rid of a nest?
For Reading homes, a dust or spray into the nest opening at dusk, then removal once activity stops.
When is wasp season in Reading?
Around Reading, queens start nests in May, and colonies peak in late summer. Nests die back after the first hard freeze in fall.
Are hornets common in Reading?
Bald-faced hornets are, in trees and on eaves.
Nearby cities
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Sources (8)
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