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Engineering and Public Works

Sanitary Sewer

Wastewater collection services in the City of Clayton are performed by the City of Concord. Concord’s wastewater collection system conveys wastewater to Central Contra Costa Sanitation District’s wastewater treatment plant. For services issues, connections, or other questions regarding sanitary sewer service, please contact the City of Concord.

City of Clayton Wastewater Maps

City of Concord Public Works

Address: 

1950 Parkside Drive
Concord, CA 94519

Telephone:

(925) 671-3448

Get Directions

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Contact US

Telephone: (925) 673-7300

Fax: (925) 672-4917

Online: City Hall Form

City Offices are located at:

Clayton City Hall
6000 Heritage Trail, Clayton, CA 94517

Staff is available during our office hours:

Monday to Thursday 9:00 a.m. to 5:00 p.m.

More Contact Information

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