COVID-19 Update: The DISTRICT BUILDING REMAINS CLOSED TO THE PUBLIC.

Currently UNAVAILABLE: In-Person Mosquitofish Pick Up and In-Person Biting or Stinging Pest ID.

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Board Agendas and Minutes

View Current Board Meeting Agenda | View Agendas/Minutes
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Current Virus Activity

Learn more about the current West Nile virus activity in Contra Costa County.
Current Adult Mosquito Control Info | 2020 Virus Activity To Date | Receive Notifications

News and Current Events

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NEW: Let's Fight the Bite Together
 

Frequently Asked Questions

Get all the answers to our most frequently asked questions.
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Invasive Mosquito Species of California

While not currently in Contra Costa County, two invasive species that can transmit Zika, dengue, yellow fever, and chikungunya are in other parts of the state.
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In a Minute Videos

These videos take you right to the action as we control the insects and animals capable of transmitting disease/causing harm.
NEW: Even During a Pandemic - We Are Here For You