The short version
Around Somerville, 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 Somerville with a nest near a door, deck or play area.
What to look for
Wasps defend the area around their nest. Near a door or deck, stings will happen. Late-summer colonies are big and quick to sting.
- 1Open umbrella-shaped comb under a porch ceiling or railing.
- 2Pets pawing at their face after sniffing a lawn spot.
- 3Sudden wasp interest in overripe fruit under a tree.
- 4Wasps hovering at a mulch bed or retaining wall gap.
- 5Chewed, scarred wood on fences, decks or cedar siding.
- 6Wasps appearing indoors near light fixtures or windows.
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
Watching flight lines at midday usually reveals the entrance. Around Somerville, that step separates a quick aerial nest job from a wall-void problem that needs dust and a return visit.
- 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
Prevention won't stop every nest, and no honest company in Somerville will say it does. It cuts the odds and catches nests that start early.
- Time
- 45–90 minutes
- Best for
- Homes with repeat nests or a sting allergy in the household
Aerial Nest Treatment and Removal
$100–$400
Exposed paper wasp and hornet nests under eaves, in trees or on porch ceilings in Somerville 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.
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 Somerville.
They rarely sting. Mud daubers build tube-shaped mud nests. They're large, fly at night, and nest in hollow trees. European hornets live in Massachusetts too. Bald-faced hornets build big gray nests in trees and eaves. They cause most stings. Eastern 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 Somerville.
Local wasps conditions in Somerville.
A provider who works Somerville and Massachusetts 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 Somerville'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. An inspection in Somerville usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Somerville, 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. Somerville sits in a humid continental climate, and that sets the pace for wasp activity here: mid-summer through fall (July-October).
Yellowjackets sometimes nest in attics and wall voids, getting in through a torn vent screen or a gap in the soffit. Buzzing in a ceiling is worth a look.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.
Homes from Somerville out to Cambridge and Boston share the same favorite nest spots. A ground nest looks like wasps streaming from one hole. Watch for traffic in and out of gaps. Check eaves, attic vents and window frames. Plenty of homes in Somerville have basements, but most nests are higher up.
A year of wasps in Somerville.
- Spring: queens start new nests around May. Knock down small starts. - Summer: highs near 82°F in Somerville help colonies grow fast. - Late summer: peak season. Workers hunt sweets near people. - Winter: lows near 22°F in Somerville. Nests die; only queens survive.
Wasp, hornet or bee?
- 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. - Honey bee: fuzzy and golden. about relocation.
If you get stung.
Move away from the nest first. 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.
Keeping wasps away from the patio.
- 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. - Gaps: seal gaps after a nest is gone.
Ground nests: what to do.
Mark the hole with a flag. 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.
A nest, or just visitors?
Wasps on flowers or trash cans may come from far away. 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.
Treating a small nest yourself, safely.
- 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. - Leave it overnight, then bag the nest.
Wasps and pets.
Dogs often snap at wasps and get stung on the face. 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.
Kids and wasps.
Teach kids to walk away calmly. Swatting makes a sting more likely. Check play sets, slides and playhouses for nests each spring. Use cups with lids for sweet drinks outside.
After the nest is gone.
Wasps don't reuse old nests. 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 at picnics and barbecues.
- 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. - Kids: teach them to walk away calmly.
Ground nests in the lawn.
Yellowjackets often nest in old rodent holes. Watch for wasps flying in and out of the grass. Mark it, and keep mowers and kids away until it's treated.
Questions to ask before you sign.
- What kind of wasp is it? - How will you treat a nest inside the wall? - Is removal of the dead nest included? - Is a return visit included?
What affects the price
- Number of nests found on the property.
- Return visit to confirm a void nest is dead.
- Nest height and whether a ladder or lift is needed.
- Roof pitch and safe access to the nest location.
- Exposed comb versus enclosed nest inside a wall or soffit.
- Whether nest removal is included after treatment.
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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
Big, high or hidden nests are a job for a pro. Knock it down the next day. Spray it at dusk with a wasp aerosol. A small, reachable paper wasp nest is a fair DIY job.
Wasps in Somerville
In denser parts of Somerville, nests turn up in eaves, balconies, signs and wall gaps. Winter lows near 22°F in Somerville end the season; only new queens survive, tucked into sheltered spots. With summer highs near 82°F in Somerville, colonies grow fast and are biggest by August.
Local research
Wasps in Somerville, MA: what the public record shows
Before you compare quotes, it helps to know which wasps actually live in Massachusetts, when they are busiest around Somerville, and what the state figures look like. Everything below links to the agency or university page it came from.
First North American report of the European paper wasp
Massachusetts is where this now-nationwide eave-nesting wasp arrived.
Penn State ExtensionWasp species recorded in Massachusetts
- 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 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 '…
- 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 Somerville
Queens emerge in April–May, colonies peak August–October, and workers die at the first hard frosts; only new queens overwinter (OSU, Penn State, UMN).
Penn State: European paper wasps were 'first reported in 1978 around Boston' and have spread coast to coast. Bald-faced hornet range per Penn State covers most of the 48 contiguous states and D.C. European hornet is established across the eastern United States (Penn State).
Rules that apply in Massachusetts
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: European Paper Wasp; CDC MMWR; Yellowjackets and Other Social Wasps (Pest Notes); Baldfaced Hornet; European Hornet. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep wasps away
- Repair torn window screens and door sweeps.
- Screen attic, gable and dryer vents with fine mesh.
- Walk the eaves in April and knock down starter nests.
- Plug weep holes with mesh inserts, not solid caulk.
- Fill gaps in retaining walls and stacked stone.
- Trim shrubs so nests cannot hide near walkways.
A good wasp quote names the species, where the nest is, how it will be treated and whether taking it down or sealing the gap is included.Did you know?
Yellowjacket nests are never reused a second year
Mud daubers stock their nests with paralyzed spiders
Questions people ask
How long does wasp nest removal take?
Usually under an hour. Hidden nests may need a second visit a few days later.
How do I know if I have wasps, hornets or yellowjackets?
Hornets build big, gray, closed nests. Yellowjackets nest in the ground or walls. Paper wasps build open, umbrella-shaped combs.
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.
Can I just leave the nest alone until winter?
If it's out of the way, often yes. Around Somerville, nests die back after the first hard freeze in fall.
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.
How often should you check your property for wasp nests?
Every week or two from spring through late summer. Around Somerville, look under eaves, decks, sheds and play equipment, where small nests are easy to deal with.
Are hornets common in Somerville?
Bald-faced hornets are, in trees and on eaves.
Nearby cities
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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