Free for homeowners
Pest control in Delaware
What are the most common pests in this state, and who handles them?
Pest control in Delaware is shaped by the coastal plain: salt marsh mosquitoes brood after tidal flooding, eastern subterranean termites swarm statewide in April, and ticks hold inland woodland edges. PestChief matches Delaware homeowners with one independent local pest control company per request, by ZIP code, at no charge.
Where can you read about each pest?
Pest pressure here is shaped by climate, geography and housing stock, so it varies across the state. The notable issues for this state are set out on this page. For how each pest is identified, what the signs look like and what treatment usually involves, read the pest guides.
What is the climate like here?
Climate is the biggest single driver of which pests live here and how long their season runs.
Which pest issues stand out here?
- Salt marsh mosquito broods after tidal flooding and heavy rain
- Eastern subterranean termites statewide
- Tick pressure in inland woodland and yard edges
- Ant and cockroach pressure in coastal rental housing during summer
Which pests are active in each season?
Activity shifts through the year, so the pest worth treating in March is rarely the one worth treating in August.
Which pests are active in spring?
Which pests are active in summer?
Which pests are active in fall?
Which pests are active in winter?
How does pest pressure vary by region?
Pest pressure is not uniform across a state. Elevation, humidity, soil and the age of the housing stock all change which pests appear and when.
Which regions of the state face which pests?
When do termites swarm in each region?
Is your ZIP code in Delaware covered?
PestChief is free to the homeowner. Coverage is checked ZIP code by ZIP code, not state by state. Give your ZIP code and the pest you are seeing, and if an independent local pest control company covers that ZIP code and handles that pest, your request goes to that one company, and it contacts you directly.
What licensing should you ask a company for?
Licensing is the one check a homeowner can make before any work starts. Every state requires a pest control company to hold a license, and most require a separate certification for specialty work such as termite treatment. Ask for the license number, confirm it covers the pest you have, and check it with the state agency that issues it.
What does this state require of a licensed company?
What else should you know about this state?
A few state specific details that change how pest control works here, and what they mean for a homeowner.
Which metro areas are covered?
Coverage varies inside a state, not only between states. A company that covers one metro area may not cover a rural ZIP code two counties away, and the pests it is licensed to treat can differ as well. The metro areas listed here are where PestChief most often has a company to introduce you to. If your city is not listed, a ZIP code check is still worth doing.
What do homeowners ask most?
What pests are most common in Delaware?
Delaware's pest calls run to termites, ants, rodents, fleas and ticks, and mosquitoes. What sits behind them:
- Salt marsh mosquito broods after tidal flooding and heavy rain
- Eastern subterranean termites statewide
- Tick pressure in inland woodland and yard edges
- Ant and cockroach pressure in coastal rental housing during summer
When is pest season in Delaware?
Pest season in Delaware begins with April termite swarms and is then dominated by marsh mosquito broods through the summer.
Spring: Termite swarms in April; first mosquito broods appear. Summer: Marsh mosquito pressure peaks; ticks active in shaded habitat. Fall: Rodents and overwintering insects move toward structures. Winter: Indoor rodent and cockroach activity dominates.
Who licenses pest control companies in Delaware?
Pesticide applicators are certified by the Delaware Department of Agriculture, which administers licensing for structural pest control. Delaware certification is worth checking before work starts; confirm it covers the pest being treated.
How much does pest control cost in Delaware?
National estimates for mosquito, termite or tick work run about $171 (This Old House) for a single visit, $300 to $550 (HomeAdvisor) for a one time treatment program, and $300 to $900 (HomeGuide) a year on a recurring plan. They are published industry figures, not PestChief quotes; a Delaware company prices your job after inspection.
When do salt marsh mosquitoes peak in Delaware?
Salt marsh mosquito broods in Delaware follow tidal flooding and heavy rain, with the first broods appearing in spring and pressure peaking in summer along the coastal plain. Broods follow flooding events, which is why coastal Delaware sees mosquitoes arrive in waves rather than as one steady season. Inland, tick pressure in woodland and yard edges fills out the summer.
Does PestChief cover Delaware?
In parts of Delaware, yes: independent local companies cover ZIP codes in the Wilmington and Dover areas. Coverage is per ZIP code and per company, so verify your address in the locations finder. When covered, the request goes to one independent local company that handles the pest, which then contacts the homeowner directly.
Where does this information come from?
Seasonality and pest biology
- MSU Extension: Fall house-invading insects
- Penn State Extension: Brown marmorated stink bug
- US EPA, Termites
- LSU AgCenter
- US EPA, Integrated Pest Management principles
- UC Statewide IPM Program, Home and Landscape pests
- CDC, Rodents
- US EPA, Rodenticides
Pricing
National estimates from published industry sources. Not PestChief quotes.
Licensing
Licensing is administered by Delaware Department of Agriculture.
Ready to get this handled?
It costs the homeowner nothing. Coverage is checked ZIP code by ZIP code. Give your ZIP code and the pest you are seeing, and if an independent local pest control company covers that ZIP code and handles that pest, your request goes to that one company. It contacts you directly, and it sets its own price.
What should you check before you hire?
Every state we cover
Browse the full list of states and metro areas, and check whether your area is covered.
Pests, one by one
Identification, signs of an infestation and what to do first, for each pest we cover.
What pest control costs
National ranges by treatment type, with the basis for each figure stated plainly.
Season by season
Which pests get active when, and the months worth acting in before a problem grows.
Learn the basics
Plain explanations of treatments, prevention and the questions worth asking a company.
How PestChief works
We match a homeowner with one independent local pest control company. Here is what happens.