District IV Supervisor Ken Carlson

Welcome to the District IV website! As your County Supervisor, I was elected to serve the communities of Clayton, Pleasant Hill, Walnut Creek, and Concord and the unincorporated Contra Costa Centre and Morgan Territory.

This page is devoted to being a resource for my constituents. I have provided information to assist you in reaching popular County departments and services, general information about me and the district, and updates on District 4 and Countywide initiatives. 

I look forward to connecting with you.

Ken Carlson

 County and Community Updates

coffee with Ken in Walnut Creek  (3)

Screenshot 2023-12-18 at 11.12.49_AMPlease take steps to be prepared and stay safe amid stormy weather.

If you live in unincorporated Contra Costa County and are concerned about flooding, you can visit one of the sandbag stations throughout the County. Please note that you'll need to bring a shovel, but bags and sand are available for free. If you live within the boundaries of one of our 19 cities, please get in touch with your City for sandbag locations and information about sandbag distribution.

Check your property for clogged drains, fallen trees/limbs, and other trouble spots. 

Please visit the Storm Preparedness newsflash for tips on reporting downed power lines, registering for emergency alerts, and traffic tips.


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Office of County Sup. Ken Carlson Internship (2)

Contra Costa County Public Works to Install Traffic Control as part of the Marsh Creek Road Bridges Replacement Project

traffic control The Contra Costa County Public Works Department will install one-way traffic control on Marsh Creek Road from approximately 1.3 miles northwest of Deer Valley Road near the Clayton Palms Community to approximately 0.6 miles west beginning on Monday, August 14, 2023, through April 2024, barring unforeseen circumstances.

The traffic control will include installing a temporary traffic signal system to allow one direction of traffic at a time through the Marsh Creek Road Bridges Replacement Project work area for the public’s safety. Message boards and signage will alert drivers about the traffic control. Drivers should expect delays up to 15 minutes.

The project will replace two (2) bridges on Marsh Creek Road with two (2) new concrete bridges. Work will take place on Marsh Creek Road at Bridges 143 and 145. Bridge 143 is located approximately 1.5 miles northwest of Deer Valley Road near the Clayton Palms Community. Bridge 145 is located approximately 3.0 miles east of Deer Valley Road near the road transition to Camino Diablo. Work also includes reconstruction of the bridge approach and construction of drainage facilities. The temporary traffic signal system to allow one direction of traffic will be installed at the Bridge 143 site only.

Funding for this project is provided by the federal Highway Bridge Program and local Gas Tax funds. To learn more about this project, please visit: www.contracosta.ca.gov/MCR-Bridge

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