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Local rodent information

Rodent control in Rhode Island

Learn what to look for around your property, explore your city, and ask about an inspection or a quote.

Rodents in Rhode Island: what to know

Around Rhode Island

Conditions vary across the state. Choose your city below, then describe what’s happening around your home or business.

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 Rhode Island: what the public record shows

Before you compare quotes, it helps to know which rodents actually live in Rhode Island, when they are busiest, and what the state figures look like. Everything below links to the agency or university page it came from.

8 recertification credits within every 5-year period
Commercial applicator recertification

URI runs the exam-prep class (2.5 hours, $175.00) for the DEM license; General Pest Control is category 7A and Vertebrate is 7D.

University of Rhode Island, Department of Plant Sciences and Entomology
rats, mice, and/or bats
Legal definition of rodent (R.I. Gen. Laws § 23-7.1-3)

Rhode Island's rodent control chapter puts authority with the director of the Department of Health.

Rhode Island General Assembly
6 recertification credits every 5-year period
Private applicator recertification

Commercial work in Rhode Island needs a DEM commercial license; restricted-use products need category certification.

University of Rhode Island, Department of Plant Sciences and Entomology

Rodent species recorded in Rhode Island

  • 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.

Rhode Island DEM's Division of Agriculture and Forest Environment licenses commercial applicators through its online DAFE portal; URI Cooperative Extension provides the training.

For context, nationally

  • 1/4 inch (the width of a pencil) — Smallest gap a mouse can enter. CDC
  • 890; 35% fatal; 94% west of the Mississippi — Hantavirus cases reported since 1993 (through 2023). CDC

Sources: University of Rhode Island, Department of Plant Sciences and Entomology; Rhode Island General Assembly; CDC; Pest Notes: House Mouse; Pest Notes: Rats. Figures are quoted as the source prints them. How we check our sources

Explore Rhode Island cities

Ask about rodent control in Rhode Island