District IV Supervisor Karen Mitchoff

Welcome



Hello and welcome to the District IV website. District IV contains the cities of Clayton, Concord, Pleasant Hill and part of Walnut Creek, as well as the unincorporated community of Contra Costa Centre.

The County provides and represents municipal services such as sheriff protection and land use planning for the Districts' unincorporated communities that are not under the jurisdiction of any city. 

I serve on various regional boards and commissions such as the Contra Costa Transportation Authority and the Bay Area Air Quality District.

I hope you find this site a useful tool for finding information and services in Contra Costa County. Serving my constituents is Job #1, and I encourage you to contact me directly with any questions or concerns you might have.

I look forward to seeing you around the community!

Karen Mitchoff
Find more about issues in the following county departments.

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