Around Delaware
Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.
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Local rodent information
Rodent control in Delaware
Learn what to look for around your property, explore your city, and ask about an inspection or a quote.
Rodents in Delaware: what to know
What to note
Where you see rodents, how long it has been going on, and anything you’ve already tried are the most useful details to mention.
A useful next step
Ask about an inspection, what treatment would involve, and whether follow-up visits are included. You don’t need to identify the problem yourself before getting in touch.
Local research
Rodents in Delaware: what the public record shows
Before you compare quotes, it helps to know which rodents actually live in Delaware, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.
2nd most abundant indoor pest
House mouse rank among indoor pests (survey cited in UD Category 7A seminar)
The seminar reports that a combination of snap trapping, baiting, and exclusion controls house mice better than baiting alone.
University of Delaware Cooperative Extensionwithin 45 days of employment
Deadline to register a new service employee with DDA
Every employee who applies pesticides must be registered; applicators keep application records for 2 years.
Delaware Department of Agriculturenot less than two (2) inches or more than six (6) inches high
DDA business license number height on vehicles
Licensed pest control vehicles in Delaware must display the DDA business license number.
Delaware Department of AgricultureRodent species recorded in Delaware
- House mouse (Mus musculus) — Enters at 1/4 inch; 5-10 litters per year; eats about 200 small meals a night.
- Norway rat (Rattus norvegicus) — Burrowing rat of basements, sewers and ground floors; tail shorter than head plus body.
Anyone applying pesticides to another person's property in Delaware must be certified and hold a DDA Pesticide Business License; structural work is Category 7A.
Rules that apply in Delaware
For context, nationally
Sources: University of Delaware Cooperative Extension; Delaware Department of Agriculture; CDC; Pest Notes: House Mouse; Pest Notes: Rats. Figures are quoted as the source prints them. How we check our sources
Explore Delaware cities
Dover
Humid Subtropical · suburban setting
Read the local guide →
Georgetown
Humid Subtropical · rural setting
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Middletown
Humid Subtropical · suburban setting
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Milford
Humid Subtropical · rural setting
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Newark
Humid Subtropical · suburban setting
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Seaford
Humid Subtropical · rural setting
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Smyrna
Humid Subtropical · rural setting
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Wilmington
Humid Subtropical · urban setting
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