Board Agendas and Minutes

View Current Board Meeting Agenda | View Agendas/Minutes

Sign Up for Online Newsletter, Adult Mosquito Control Notifications, Meeting Agendas, and News Releases.

Current Virus Activity

Learn more about the current West Nile virus activity in Contra Costa County.

Current Spraying Info | 2019 Virus Activity To Date | Receive Notifications

News and Current Events

Official announcements and articles highlighting important vector and vector-borne related news.

NEW: Why Rats and Mice Seek Shelter Indoors

Frequently Asked Questions

Get all the answers to our most frequently asked questions.

View our FAQ

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.

Learn More

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: Skunk Inspection Specifics