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
Board Meeting Agenda
to receive Board of Trustees Meeting Agendas
Current Virus Activity
Learn more about the current West Nile virus activity in Contra Costa County.
Mosquito Control Info
2020 Virus Activity To Date
News and Current Events
for Online Newsletter, Adult Mosquito Control Notifications, and News Releases.
WNV Risk Continues in Contra Costa As More Birds and Sentinel Chickens Test Positive
Frequently Asked Questions
Get all the answers to our most frequently asked questions.
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.
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.
Even During a Pandemic - We Are Here For You