Rats and Mice

Contra Costa Mosquito & Vector Control District provides rat prevention and control for sewers, creeks, and maintains and assists cities, parks, and other public places with rat control. We do not trap or bait for rats and mice in or around private homes; however, homeowners with rat or mouse problems can obtain advice and a free inspection from one of our state certified technicians to assist them in rodent prevention and control.


 
Rat and Mouse Species in Contra Costa County
Commensal rodents are rodents that live with or near people and which may depend on humans for at least part of their food or shelter. Document will open in a new window.


 
Rodent-Borne Disease in Contra Costa County
Rats and their flease are capable of transmitting a variety of human diseases including plague. While there have not been many recent reports of plague in Contra Costa County, the potential for an outbreak may increase as rat populations expand into rural areas. READ MORE.


 
Rat Services For County Residents Video
Learn how our free services for rats and mice can help residents of Contra Costa County by viewing this video.


 
Rat and Mouse Prevention and Control
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Previnir y controlar las ratas
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Why Vacuuming and Sweeping Droppings Can be a Health Hazard
Rats and mice are dangerous from a public health standpoint because they can transmit disease through their waste. For that reason, properly removing rodent feces and urine is very important. READ MORE.

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Facts About Hantavirus
Infection with hantavirus can progress to Hantavirus Pulmonary Syndrome (HPS), which can be fatal. READ MORE.

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Rodent Prevention and Control Video
This video details steps you can take to keep rats and mice off of your property and out of your home!