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Local rodent information

Rodent control in Vermont

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

Rodents in Vermont: what to know

Around Vermont

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 Vermont: what the public record shows

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

Wider than 1/2 inch; house mice need only 1/4 inch
Opening a rat can pass through

UVM Extension's exclusion baseline for Vermont farm and home buildings.

University of Vermont Extension Agricultural Engineering
Jump 36 inches vertically and 48 inches horizontally, climb 3-inch pipes, burrow 36 inches, swim 1/2 mile, survive a 50-foot fall
What a rat can physically do

Screening a wall is not enough; roof, pipe and burrow routes all have to be closed.

University of Vermont Extension Agricultural Engineering
24 degrees F with adequate food and nesting material
Lowest temperature house mice tolerate

Unheated Vermont barns, sheds and crawlspaces sustain mice through winter.

University of Vermont Extension Agricultural Engineering

Rodent species recorded in Vermont

  • 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.
  • Deer mouse (Peromyscus maniculatus) — Primary U.S. hantavirus carrier; lives throughout Washington and the interior West.

When rodents are busiest in Vermont

Mice and rats push into buildings as fall temperatures drop; mice survive Vermont winters indoors and in unheated outbuildings.

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 Vermont Extension Agricultural Engineering; CDC; Pest Notes: House Mouse; Pest Notes: Rats; Hantavirus. Figures are quoted as the source prints them. How we check our sources

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