ADUs and JADUs shall be served by the District’s water and/or sewer systems only where service is available and consistent with District regulations, capacity limitations, and the requirements of applicable land use authorities.

 

A JADU or ADU described in paragraph 1 of subdivision (a) of Government Code Section 66323, shall not require a new or separate utility connection, and no connection fee or capacity charge shall be imposed.

All other ADU or JADU may connect through existing water and sewer service lines and meters serving the primary dwelling, and no connection fee or capacity charge will be imposed if all of the following apply:

• The District Engineer has verified the adequacy of the water meter size based on the standards in the Uniform Pluming Code, including the primary residence and ADU or JADU, including any fire sprinkler requirements, the meter size and service line is adequate;
• The District Engineer has verified based on the standards in the Uniform Plumbing Code, the adequacy of sewer service for both the ADU or JADU and the primary dwelling, based on the total number of fixture units;
• The maximum total floor area of the ADU does not exceed 750 square feet.

For policy details, see Ordinance 2026-02 and Resolution 2026-62

ORD 2026-02.pdfRES 2026-62.pdf

 

For more information about accessory dwellings and to submit an application, contact the Engineering Department at engineering@ccwd.org or (209) 754-3181.