Sewer lateral responsibility in Contra Costa County
Contra Costa County has 19 incorporated cities, and BelowGrid has published an answer for 16 of them. Each city sets its own rule, so there is no single county-wide answer.
Cities with a published answer
Where each city puts the point at which the pipe stops being the owner’s, from that city’s own page:
Other cities in this county
BelowGrid has not published an answer for these yet. That says nothing about what each city requires.
- Antioch
- Clayton
- Oakley
Outside the cities
- Land in Contra Costa County outside any city is not covered by these answers. It is served by the county or by a special district, depending on where it is, and BelowGrid has not published which. Contra Costa County’s official site is the place to start.